3-l. ineel area with wag 10 cercla sites 3-3. borax · pdf fileineel area with wag 10 cercla...

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3-l. INEEL area with WAG 10 CERCLA sites ............................................................................. 3-2. EBR-I area CERCLA sites...................................................................................................... 3-3. BORAX area CERCLA sites .................................................................................................. 4-l. Occupational exposure scenario PCSM .................................................................................. 4-2. Residential exposure scenario PCSM ..................................................................................... 4-3. Ecological pathways/exposure model for WAG 6 and 10 surface contamination.... .............. 4-4. Ecological pathways/exposure model for WAG 6 and 10 subsurface contamination ............ 4-5. INEEL phased approachto ecological risk assessment ............................................... ........... 5-l. Experimental Breeder Reactor Sites ....................................................................................... 6-l. Aerial view of the EBR-I and BORAX area in 1996................................................................ 7-l. Locations of BORAX sites (OU 6-01 and OU 6-02) .............................................................. 7-2. BORAX-I Reactor Burial Site (BORAX-02) (figure adaptedfrom DOE-ID 1997) ............... 8-1. EBR tank sites . ........................................................................................................................ 8-2. EBR-08 excavation . ................................................................................................................ 8-3. EBR-I area, aquifer wells and generalized groundwater flow direction . ................................ 9-1. Aerial view of the EBR-I and BORAX area, looking northeast............................................. lo- 1. LCCDA-02 disposal pit showing ground ramp and access gate ............................................. 10-2. Location of LCCDA site ......................................................................................................... 1 l-l. Aerial view of the OMRE and EOCR area in 1961 . I .............................................................. 1l-2. OMRE area wells, recent sampling locations, and radiometric scanning survey results . ....... 1 l-3. Modeled external exposure to Cs-137 at OMRE Hot Spot #l under current occupational scenario . .................................................................. ................................ ........... 1 l-4. Modeled external exposure to Cs-137 at OMRE Hot Spot #1 under future residential scenario . .......................................................................... - ...................................... 12-1. Overview of ordnancesites . ................................................................................................. 3-3 3-5 3-6 4-2 4-3 4-15 4-16 4-20 5-2 6-2 7-2 7-4 8-2 8-3 8-9 9-3 10-2 10-3 11-2 11-3 11-13 11-14 12-3 12-2. Location of CFA-633 ............................................................................................................ 12-14 xxxi

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3-l. INEEL area with WAG 10 CERCLA sites .............................................................................

3-2. EBR-I area CERCLA sites ......................................................................................................

3-3. BORAX area CERCLA sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-l. Occupational exposure scenario PCSM ..................................................................................

4-2. Residential exposure scenario PCSM .....................................................................................

4-3. Ecological pathways/exposure model for WAG 6 and 10 surface contamination . . . . . . . . . . . . . . . . . .

4-4. Ecological pathways/exposure model for WAG 6 and 10 subsurface contamination . . . . . . . . . . . .

4-5. INEEL phased approach to ecological risk assessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-l. Experimental Breeder Reactor Sites .......................................................................................

6-l. Aerial view of the EBR-I and BORAX area in 1996 ................................................................

7-l. Locations of BORAX sites (OU 6-01 and OU 6-02) ..............................................................

7-2. BORAX-I Reactor Burial Site (BORAX-02) (figure adapted from DOE-ID 1997). ..............

8-1. EBR tank sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-2. EBR-08 excavation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-3. EBR-I area, aquifer wells and generalized groundwater flow direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-1. Aerial view of the EBR-I and BORAX area, looking northeast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

lo- 1. LCCDA-02 disposal pit showing ground ramp and access gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-2. Location of LCCDA site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 l-l. Aerial view of the OMRE and EOCR area in 1961 . I..............................................................

1 l-2. OMRE area wells, recent sampling locations, and radiometric scanning survey results. . . . . . . .

1 l-3. Modeled external exposure to Cs-137 at OMRE Hot Spot #l under current occupational scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 l-4. Modeled external exposure to Cs-137 at OMRE Hot Spot #1 under future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..-......................................

12-1. Overview of ordnance sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3

3-5

3-6

4-2

4-3

4-15

4-16

4-20

5-2

6-2

7-2

7-4

8-2

8-3

8-9

9-3

10-2

10-3

11-2

11-3

11-13

11-14

12-3

12-2. Location of CFA-633 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-14

xxxi

12-3. Location of Experimental Field Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-19

12-4. Location of Bum Ring South of Experimental Field Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-25

12-5. Location of Land Mine and Fuze Bum Area . . ..*................................................................... 12-32

12-6. Location of the NOAA Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-40

12-7. Location of the Fire Station II Zone and Range Fire Bum Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-5 1

12-8. Location of Mass Detonation Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-62

12-9. Location of Unexploded Ordnance Area East of TRA ......................................................... 12-66

12-10. Location of Rail Car Explosion Area ................................................................................... 12-69

12-11. Location of Craters East of INTEC . ..................................................................................... 12-77

12-12. Location of NODA ............................................................................................................... 12-80

13-l. Location of STF-01 and STF-02 ............................................................................................. 13-2

14-1. Summary Exposure Point Concentrations for STF-02 (concentration units are mg/kg or pCi/g; bin depths are in feet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-3

14-2. Summary of ERA HQs for the Kickout Area .........................................................................

14-3. Soil contaminant screening process for WAG 10, OU 10-04, STF-02 (Kickout-2000). ........

14-4. Soil contaminant screening process for WAG 10, OU 10-04, STF-02 (Remainder-2000) ...................................................................................................................

144

14-6

14-6

14-5. Summary of ERA HQs for the Remainder Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-8

15-1. Location of Fly Ash Pit ........................................................................................................... 15-2

17-1. Problem formulation flow diagram ......................................................................................... 17-6

17-2. Delineation of contaminant spatial extent ............................................................................... 17-31

17-3. Ecologically sensitive areas overlay. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-42

17-4. Site conceptual model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-45

17-5. Flow diagram of the analysis phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-47

17-6. Vegetation classes on the INEEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-48

17-7. Risk characterization flow diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-53

18-1. OU lo-04 Sites recommended for the Feasibility Study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-16

xxxii

19-l.

19-2.

19-3.

20-l.

20-2.

B-l.

B-2.

B-3.

B-4.

B-5.

B-6.

B-7.

B-8.

B-9.

TNT/RDX Soil Sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

STF-02 Gun Range Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INEEL Ordnance Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Potential physical separation process for STF-02 Gun Range soils. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . #.

Potential soil washing by acid leaching process for STF-02 Gun Range Soils . . . . . . . . . . . . . . . . . . . . . . .

The INEEL Site vicinity map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Location of lNEEL facilities and general area of WAGS 6 and 10 . . . . . . . . . . . . . . . . . . ..*....................

Physiographic and geologic features of the INEEL area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Locations of the Big Lost River, Little Lost River, and Birch Creek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Wind patterns from the surface to 14,000 ft above the INEEL (from Clawson et al. 1989)...

Digital shaded relief topographic map of the Western United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General geologic, volcanologic, and tectonic features of the Eastern Snake River Plain . . . . . . .

Geologic section F-F’ through the RWMC, the INTEC, and the NPR site (Anderson 199 1)

Generalized geologic map of the INEEL area (adapted from Kuntz et al. [ 19941 and Scott [ 19821) . . . . . . . . . . . . . . . ..f..........................................................................................................

B-10. Areas dominated by rock outcrops and sediments on the INEEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B- 11. INEEL topographical contours ..*.......................................................................*..........**.........

B-12. Location of Earthquakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B-13. Idaho National Engineering and Environmental Laboratory Volcanic Vents and Topography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*.............................................................

B-14. General direction of increasing probabilistic ground motion across the INEEL . . . . . . . . . . . . . . . . . . . .

B-15. INEEL surface soils (Olson, Jeppesen, and Lee 1995) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B-16. Surface water features on the INEEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..-.............

B-17. Altitude of the water table for the Snake River Plain Aquifer in the vicinity of the INEEL, March-May 1995 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B-18. Vegetation classes on the INEEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..~..........................

B-19. . Land ownership distribution in the vicinity of the INEEL and on-Site areas open for permit .

19-3

19-5

19-6

20-8

20-8

B-2

B-3

B-5

B-6

B-10

B-12

B-14

B-17

B-18

B-20

B-21

B-23

B-24

B-25

B-26

B-29

B-36

B-42

grazlW . . . . . . . . ..f.................................................................................................................................... B-51

. . . xxx111

4-1.

D-l.

D-2.

F-l.

F-2.

F-3.

F-4.

F-5.

Human health and ecological chemical-screening processes ..................................................

Occupational exposure scenario conceptual site model (CSM) ..............................................

Residential exposure scenario CSM ........................................................................................

Four-phased approach to the JNEEL ecological risk assessment ............................................

Simplified JNEEL food web ...................................................................................................

Model for ecological pathways and exposure for WAGS 6 and 10 surface contamination ..........................................................................................................................

Model for ecological pathways and exposure for WAG 6 and 10 subsurface contamination ..........................................................................................................................

Conceptual site model .............................................................................................................

H3-1. 1997 ERA risks by location . ...................................................................................................

H3-2. ERA risks by location for 1997 ERA sampling data-metals . ...............................................

H3-3. ERA risks by location for 1997 and 2000 ERA sampling data-metals . ...............................

H9-1. Preliminary receptor identification process .............................................................................

H9-2. Summary of potential risk to plant receptors . .........................................................................

H9-3. Summary of potential risk to avian herbivores . ......................................................................

H9-4. Summary of potential risk to avian insectivores . ....................................................................

H9-5. Summary of potential risk to avian carnivores ........................................................................

H9-6. Summary of potential risk to avian omnivores . ......................................................................

H9-7. Summary of potential risk to mammilian herbivores ..............................................................

H9-8. Summary of potential risk to mammalian insectivores ...........................................................

H9-9. Summary of potential risk mammalian carnivores ..................................................................

H9-1O.Summary of potential risk to mamrnalian omnivores . ...........................................................

H9-1l.Summary of potential risk to the ferruginous hawk peregrine falcon, and bald eagle.. .........

H9-12.Summary of potential risk to pygmy rabbit ............................................................................

J-l. OMRE area global positioning radiometric scanner survey map, CERCLA sites, and wells.

J-2. OMRE area, including existing well locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-6

D-4

D-5

F-2

F-11

F-12

F-36

F-37

H3-18

H3-19

H3-24

H9-1

H9-3

H9-4

H9-5

H9-6

H9-7

H9-8

H9-9

H9-10

H9-11

H9-12

H9-13

J-4

J-8

xxxiv

Kl-1 Soil types and locations (Olson, Jeppsen, and Lee 1995) ................................................... Kl-4

TABLES

3-l.

3-2.

4-l.

4-2.

All sites under OU 10-04, with sites assessed in the RI/FS highlighted .................................

Site descriptions and dispositions for OU lo-06 .....................................................................

BRA human health assessment uncertainty factors ................................................................

Summary of WAG 6 and 10 exposure media and ingestion routes for selected INEEL species .........................................................................................................................

Sources and effects of uncertainties in the ecological risk assessment ...................................

3-7

3-27

4-7

4-3.

4-17

4-19

6-4 6- 1. List of WAG 6 facilities in the facility assessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-l.

7-2.

7-3.

7-4.

7-5.

7-6.

7-7.

7-8.

7-9.

Soil contaminant screening process for WAG 6, OU 6-01, BORAX-02 (BORAX-I Burial Ground) (1996 Postremediation) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary Exposure Point Concentrations for BORAX-02 (concentration units are mg/kg or pCi/g; bin depths are in feet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary of ERA HQs for BORAX-02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Soil contaminant screening process for OU 10-04, BORAX-01 (Leach Pond) . . . . . . . . . . . . . . . . . . . . . .

Summary Exposure Point Concentrations for BORAX-01 (concentration units are mg/kg or pCi/g; bin depths are in feet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary of ERA HQs for BORAX-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Soil contaminant screening process for OU 10-04, BORAX-OS-Ditch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Soil contaminant screening process for OU 10-04, BORAX-09 (Reactor Bldg.-Post D&D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary Exposure Point Concentrations for BORAX-09 (concentration units are mg/kg or pCi/g; bin depths are in feet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*...........

7-10. Summary of ERA HQs for BORAX-09 ..................................................................................

8-1. Groundwater monitoring results for weils near EBR-I . ..........................................................

8-2. Soil contaminant screening process for OU 10-04, WMO-703, EBR-08 Soil.. ......................

8-3. Soil contaminant screening process for OU 10-04, WMO-704, EBR-09 soil. .......................

8-4. Soil contaminant screening process for OU 10-04, EBR-10 (WMO-705) . ............................

7-6

7-7

7-7

7-l 1

7-12

7-13

7-17

7-22

7-23

7-24

8-7

8-11

8-l 1

8-12

xxxv

8-5. Soil contaminant screening process for OU 10-04, EBR-11 (EBR-706) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12

8-6. Soil contaminant screening process for OU 10-04, EBR-12 (EBR-707) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13

8-7. Summary Exposure Point Concentrations for EBR Sites (concentration units are mg/kg or pCi/g; bin depths are in feet.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14

9- 1. EBR- 15 Verification Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4

10-l. Soil Contaminant Screening Process for Operable Unit (OU) 10-04, LCCDA-01 (1988, 1993, 1997) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-7

10-2. Soil Contaminant Screening Process for Operable Unit (OU) 10-04, LCCDA-02 (1988,1997) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 10-8

10-3. Summary Exposure Point Concentrations for LCCDA-01 and LCCDA-02 (concentration units are mg/kg or pCi/g; bin depths are in feet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9

10-4. Summary of ERA HQs for LCCDA-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-10

10-5. Summary of ERA HQs for LCCDA-02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*............. 10-l 1

1 l-l. Soil contaminant screening process for OU lo-02,OMRE-01 soils (1997, 1999, 2000) - nonradionuclides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8

1 l-2. Soil contaminant screening process for OU lo-02,OMRE-01 soils ( 1997, 1999) -radionuclides only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*....................... 11-8

1 l-3. Corrected Ra-226 concentrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-9

11-4. Summary exposure point concentrations for OMRE-01 soils. (EPC units are mg/kg or pCi/g; Bin depths are in feet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 l-10

1 l-5. Samples at OMRE with Cs-137 over 23.3 pCi/g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-11

1 l-6. Cs-137 concentrations in certain samples taken at Hot Spot # 1 location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-11

1 l-7. Cs-137 concentrations in certain samples taken at Biased 3 location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12

1 l-8. Cs-137 concentrations in certain samples taken downgrade of the ditch at OMRE. . . . . . . . . . . . . . . 11-12

1 l-9. Total Risks by Exposure Pathway at each site/area (Residential) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-14

12- 1. Ordnance areas identified in the OU lo-04 Work plan (DOE-ID 1999a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-5

12-2. Soil contaminant screening process for OU 10-04, CFA-633 (1993, 1994) . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-16

12-3. CFA-633 Exposure Point Concentration Calculations by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-16

12-4. Human health carcinogenic risk and noncarcinogenic hazard index summary for CFA-633 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......... 12-17

12-5. Summary of ERA HQs for CFA-633 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-17

xxxvi

12-6. Soil contaminant screening process for Experimental Field Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-20

12-7. Experimental Field Station Exposure Point Concentrations by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-21

12-8. Human health carcinogenic risk and noncarcinogenic hazard index sumrnary for Experimental Field Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-22

12-9. Summary of ERA HQs for the Experimental Field Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-23

12-10. Soil contaminant screening process for WAG 10, OU 10-03, Bum Area South of Experimental Field Station (1999) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-28

12-11. Bum Ring Exposure Point Concentration Calculations by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-29

12-12. Summary of ERA HQs for Bum Ring South of Experimental Field Station . . . . . . . . . . . . . . . . . . . . . . . 12-30

12-13. Soil contaminant screening process for OU 10-04, Land Mine and Fuze Burn Area (1999) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... 12-33

12-14. Land Mine and Fuze Burn Area Exposure Point Concentration Calculations by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....... 12-34

12-15. Human health carcinogenic risk and noncarcinogenic hazard index summary for the Land Mine and Fuze Bum Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-35

12-16 Summary of ERA HQs for the Land Mine and Fuze Bum Area 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...*..... 12-36

12-17. Summary of ERA HQs for the Land Mine and Fuze Bum Area 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-36

12-18. Soil contaminant screening process for OU 10-04, NOAA Soils (1999) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-41

12-19. Human health carcinogenic risk and noncarcinogenic hazard index summary for NOAA Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-43

12-20. Summary of ERA HQs for NOAA Grid Area 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..f............................ 1244

12-2 1. Summary of ERA HQs for NOAA Grid Area 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-45

12-22. Summary of ERA HQs for NOAA Grid Area 2a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-46

12-23. Summary of ERA HQs for NOAA Grid Area 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-47

12-24. Summary of ERA HQs for NOAA Grid Area 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-48

12-25. Summary of ERA HQs for NOAA Grid Area 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..~................................ 12-48

12-26. Summary of ERA HQs for NOAA Grid Area 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-49

12-27. Soil contaminant screening process for OU 10-04, Fire Station (1999) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-53

12-28. Fire Station II Zone and Range Fire Bum Area Exposure Point Concentrations by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....... 12-55

xxxvii

12-29. Human health carcinogenic risk and noncarcinogenic hazard index summary for Fire Station II Zone and Range Fire Bum Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-56

12-30. Summary of ERA HQs for the Fires Station II Zone and Range Fire Bum Area 1 . . . . . . . . . . . . . . 12-57

12-31. Summary of ERA HQs for the Fires Station II Zone and Range Fire Bum Area 2 . . . . . . . . . . . . . . 12-58

12-32. Summary of ERA HQs for the Fires Station II Zone and Range Fire Bum Area 3 . . . . . . . . . . . . . . 12-59

12-33. Summary of ERA HQs for the Fires Station II Zone and Range Fire Bum Area 4 . . . . . . . . . . . . . . 12-60

12-34. Soil contaminant screening process for OU 10-04, Mass Detonation Area soils (1997, 1999) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*...... 12-63

12-36. Soil contaminant screening process for OU 10-04, UXO east of TRA soil . . . . . . . . . . . . . . . . . . . . . . . . . . 12-64

12-36. Summary of ERA HQs for the Unexploded Ordnance East of TRA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-67

12-37. Soil contaminant screening process for OU 10-04, Railcar Soils (1999) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-70

12-39. Summary of ERA HQs for the Rail Car Explosion Area 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-71

1240. Summary of ERA HQs for the Rail Car Explosion Area 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-72

12-41. Summary of ERA HQs for the Rail Car Explosion Area 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-74

1242. Surnmary of ERA HQs for the Rail Car Explosion Area 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-74

12-43. Sumrnary of ERA HQs for the Craters East of INTEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-76

12-44. Soil contaminant screening process for OU 10-04, Crater East of INTEC Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................. 12-79

12-45. Soil contaminant screening process for OU 10-04, NODA Soils (1997, 1999,200O) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... 12-82

12-46. Human health carcinogenic risk and noncarcinogenic hazard index summary for NODA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........ 12-88

12-47. Summary of ERA HQs for NODA Area 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-89

12-48. Summary of ERA HQs for NODA Area 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-93

12-49. Summary of ERA HQs for NODA Area 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-95

12-50. Summary index of cumulative human health carcinogenic risks and noncarcinogenic hazards for all retained sites or areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-97

12-5 1. Summary of all retained COPCs and sites in the ERA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-98

15-1. Soil Contaminant Screening Process for the Fly Ash Pit (2000) . . . . . . . . . . . . . . . . . . . . . . . . . ..I................ 15-4

. . . XXXVlll

15-2. Summary Exposure Point Concentrations for the Fly. Ash Pit (concentration units are mgkg; bin depths are in feet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-5

15-3. Summary of ERA HQs for the Fly Ash Pit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-5

17-1. Reduced WAG 1 sites and contaminants evaluated in the OU lo-04 ERA . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-8

17-2. Reduced list of WAG 2 sites and contaminants evaluated in the OU lo-04 ERA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................. 17-10

17-3. Reduced list of WAG 3 sites and contaminants evaluated in the OU lo-04 ERA . . . . . . . . . . . . . . . . . . . . . ..---..-............................................................................................................ 17-13

174. Reduced list of WAG 4 sites and contaminants evaluated in the OU lo-04 ERA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................. 17-16

17-5. Reduced list of WAG 5 sites and contaminants evaluated in the OU lo-04 ERA . . . . . . . . . . . . . . . . . . . . ..--................................................................................................................. 17-19

17-6. Reduced list of WAG 6 and 10 sites and contaminants evaluated in the OU lo-04 ERA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-21

17-7. Reduced list of WAG 9 sites and contaminants evaluated in the OU lo-04 ERA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-23

17-8. OU lo-04 COPCs summarized from the WAG ERAS (Appendix H2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-28

17-9. Comparison of INEEL breeding-bird populations to the State of Idaho and the United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-34

17-lOIndividual receptors and associated functional groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..~.................. 17-37

17-11 .Threatened or endangered species, sensitive species, and species of concern that may be found at the INEEL.” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-38

17-12.Analysis of INEEL vegetation classes (habitat types) potentially impacted by WAG activities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-49

17-13.Summary of vegetation classes associated with location/telemetry data for receptors of interest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-50

17-14.Sumrnary of potential exposures from OU lo-04 COPCs to pygmy rabbits where HQs exceeded 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-54

17- 15. Summary of potential exposures from OU lo-04 COPCs to mammalian insectivores (including Townsend’s big-eared bat, long-eared myotis, small-footed myotis) where HQs exceeded 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-55

17-16.Summar-y of potential exposures from OU lo-04 COPCs to avian herbivores (including the mourning dove) where HQs exceeded 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-56

xxxix

17-17.Summar-y of potential exposures from OU lo-04 COPCs to avian omnivores (including the magpie) where HQs exceeded 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-57

17-18.Summar-y of potential exposures from OU lo-04 COPCs to avian insectivores (including the sage sparrow) where HQs exceeded 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-58

17-19.Summary of potential exposures to INEEL plant communities from OU lo-04 COPCs where HQs exceeded 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-59

17-20. Summary of potential exposures from OU lo-04 COPCs to mammalian carnivores (including the coyote) where HQs exceeded 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-60

17-21 .Summary of potential exposures from OU lo-04 COPCs to mammalian omnivores (including the deer mouse) where HQs exceeded 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-61

17-22.Summary of potential exposures from OU lo-04 COPCs to mammalian herbivores (including the mule deer) where HQs exceeded 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-62

17-23.Summary of potential exposures from OU lo-04 COPCs to avian carnivores (including the ferruginous hawk, peregrine falcon and bald eagle) where HQs exceeded 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-63

17-24.Summary of potential exposures from OU lo-04 COPCs to avian carnivores (including the loggerhead shrike and burrowing owl) where HQs exceeded 10. . . . . . . . . . . . . . . . . . . . 17-64

17-25.Evaluation of site-specific bioaccumulation factors (BAFs) relative to literature- derived BAFs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-65

17-26Ecological Receptors Associated with Assessment Endpoints and Risk Assessment Conclusions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-68

17-27.Receptors of concern and associated functional groups with HQs exceeding 10 for OU lo-04 COPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-80

17-28.Evaluation of HQs for COPCs and WAGS for functional group and associated receptors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-83

17-29.Lines-of-evidence evaluation for the OU lo-04 ERA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-85

18-1. Final decisions and recommendations for all WAG 6 release sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2

18-2. Final decisions and recommendations for all WAG 10 release sites/areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-3

18-3. Total risks by exposure pathway and group (future residential scenario) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18-4. Total hazard quotients by area (future residential scenario) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18-5. Total risks by exposure pathway and group (future worker scenario) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18-6. Total hazard quotients by exposure pathway and group (future worker scenario) . . . . . . . . . . . . . . . . .

18-7. Total risks by exposure pathway and group (current worker scenario) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18-5

18-6

18-7

18-8

18-9

xl

18-8. Total hazard quotients by exposure pathway and group (current worker scenario)................ 18-10

18-9. Summary of sites retained for ecological risk assessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-13

19-1. Sites retained for the feasibility study based on potential future residential human health risks greater than or equal to lE-04 or a hazard index greater than 1 . . . . . . . . . . . . . . . . . . . . . . . . . . 19-2

19-2. Sites retained for the feasibility study based on potential ecological risks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-7

19-3. Summary of sites addressed in the feasibility study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-7

19-4. Areas and volumes of contaminated media for WAG 10 TNT/RDX soil sites and STF-02 Gun Range . *..................................................................,............................................ 19-11

19-5. Preliminary remediation goals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-12

19-6. Screening of remedial technologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-15

20-l. Remedial alternatives for TNT/RDX contaminated soil sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-2

20-2. Remedial alternatives for STF-02 Gun Range lead contaminated soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-5

20-3. Remedial alternatives for UXO Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-9

21-1. Base cost, escalated cost, and discounted cost (net present value) of capital, operating and maintenance, and total costs for remedial alternatives at WAG 10 TNT/RDX contaminated soil sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-3

21-2. Base cost, escalated cost, and discounted cost (net present value) of capital, operating and maintenance, and total costs for remedial alternatives at WAG 10 STF-02 Gun Range Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*.................................................................. 21-11

21-3. Base cost, discounted cost, and escalated cost (net present value) of capital, operating and maintenance, and total costs for remedial alternatives for WAG 10 UXO areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....... 21-16

22-l. Evaluation of compliance with ARARs and TBCs for WAG 10 TNT/RDX contaminated soil sites, Alternative 1: No Action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-5

22-2. Evaluation of compliance with ARARs and TBCs for WAG 10 TNT/RDX contaminated soil sites: Alternative 3a, removal, treatment of TNTKDX fragments, and disposal of soil on the INEEL, and Alternative 3b, removal, treatment of TNT/RDX fragments, and disposal of soil off the INEEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-7

22-3. Evaluation of compliance with ARARs and TBCs for WAG 10 TNTIRDX contaminated soil sites Alternative 4a: Removal, Off-Site Incineration and Disposal; and Alternative 4b: Removal, Ex Situ Cornposting, and Disposition on the INEEL . . . . . . . ..I.............................................................................................................. 22-10

22-4. Evaluation of compliance with ARARs and TBCs for the STF-02 Gun Range, Alternative 1: No Action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-12

xli

22-5. Evaluation of ARARs and TBCs-for STF-02 Gun Range Alternatives 3a and 3b: Removal, Ex Situ Treatment, and Disposition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-14

22-6. Evaluation of compliance with ARARs and TBCs for WAG 10 UXO Areas, Alternative 1: No Action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-15

22-7. Evaluation of compliance with ARARs and TBCs for the WAG 10 UXO Areas, Alternative 2: Limited Action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...*. 22-17

22-8. Evaluation of compliance with ARARs and TBCs for the WAG 10 UXO Areas: Alternative 3, Survey and Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-18

22-9. Comparison of alternatives for TN’DRDX contaminated soils with remedial action objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-2 1

22-10. Comparison of alternatives for the STF-02 Gun Range with remedial action objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...... 22-22

22- 11. Comparison of alternatives for the WAG 10 UXO Areas with remedial action objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...... 22-22

22-12. Detailed analysis summary for WAG 10 TNT/RDX contaminated soil sites. . . . . . . . . . . . . . . . . . . . . . . 22-23

22-l 3. Detailed analysis summary for the STF-02 Gun Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-28

22-14. Detailed analysis summary for the UXO Areas . . . . . ..*............................................................ 22-3 1

22-15. Comparative ranking of remedial alternatives relative to the CERCLA evaluation criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-34

B-l. Threatened or endangered species, sensitive species, and species of concern that may be found on the lNEEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-48

B-2. The 1996 population estimates for counties surrounding the INEEL and selected communities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*............................................................................ B-52

B-3. Acreage of major crops harvested in counties surrounding the INEEL ( 1994-95) . . . . . . . . . . . . . . . . B-54

Cl-a. Soil Contaminant Screening Process for OU 10-04, EBR-04 (1995) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-9

Cl-b. Summary Statistics for the EBR-04 Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-10

C2-a. Soil Contaminant Screening Process for WAG 6, OU 6-01, BORAX-02 (BORAX-I Burial Ground) (1996 Post-Remediation) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-11

C2-b. Summary Statistics for the BORAX-02 Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-12

C2-c. Summary Exposure Point Concentrations for BORAX-02 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-12

C3-a. Soil Contamination Screening Process for OU 10-04, BORAX-01 (Leach Pond) . . . . . . . . . . . . . . . . . c-13

C3-b. Summary Statistics for the BORAX-01 Soils (Leach ,Pond) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-15

xlii

C3-c. Summary Exposure Point Concentrations for BORAX-01 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C4-a. Soil Contaminant Screening Process for OU 10-04, BORAX-08- New Ditch (1990, 1993, 1994) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C4-b. Summary Statistics for the BORAX-08 Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C4-c. Summary Exposure Point Concentrations for BORAX-08 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C5-a. Soil Contaminant Screening Process for OU 10-04, BORAX-09 (Reactor Bldg. Post-D&D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......

C5-b. Summary Statistics for the BORAX-09 Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C5-c. Summary Exposure Point Concentrations for BORAX-09 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C6-a. Soil Contaminant Screening Process for BORAX Ecological Sampling (2000) Metals and Inorganics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C6-b. Soil Contaminant Screening Process for BORAX-02 Ecological Sampling (2000) Radionuclides Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C6-c. Summary Statistics for the BORAX Ecological Sampling-Deer Mice (2000) . . . . . . . . . . . . . . . . . . . .

C6-e. Summary Statistics for the BORAX Ecological Sampling-Cottontail Rabbit (2000)..........

C6-f. Summary Statistics for the BORAX Ecological Sampling-Sagebrush (2000) . . . . . . . . . . . . . . . . . . . . .

C6-g. Summary Statistics for the BORAX Ecological Sampling-Subsurface Soils (2000) . . . . . . . . . .

C6-h. Summary Statistics for the BORAX Ecological Sampling-Surface Soils (2000) . . . . . . . . . . . . . . . .

C6-i. Summary Statistics for the BORAX Ecological Sampling-Deer Mice (Radionuclides) ww . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..............

C6-j. Summary Statistics for the BORAX Ecological Sampling-Kangaroo Rat (Radionuclides) (2ooO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C6-k. Summary Statistics for the BORAX Ecological Sampling-Cottontail Rabbit (Radionuclides) (2000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C6-1. Summary Statistics for the BORAX Ecological Sampling-Sagebrush (Radionuclides) (2000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..f..............

C6-m. Summary Statistics for the BORAX Ecological Sampling-Subsurface Soil (Radionuclides) (2000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*............................................

C6-n. Summary Statistics for the BORAX Ecological Sampling-Surface Soil (Radionuclides) (2000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C6-o. Summary Exposure Point Concentrations for BORAX-02 Ecological Sampling (2000) by Bin Depths . . . . . ..I......................................................................................................

C-26

C-27

C-28

C-28

C-29

c-31

c-33

c-34

c-35

C-36

C-38

c-39

c-40

c-41

c-42

c-43

C-44

c-45

C-46

c-47

C-48

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C6-p. Summary Exposure Point Concentrations for BORAX-02 Ecological Sampling (2000) (radionuclides only) by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C7-a. Soil Contaminant Screening Process for OU 10-04, WMO-703, EBR-08 Soil (1990) . . . . . . . . . .

C7-b. Summary Statistics for the EBR-08 Soils ...............................................................................

C7-c. Summary Exposure Point Concentrations for EBR-08 by Bin Depths ...................................

C8-a. Soil Contaminant Screening Process for OU 1 O-04, WMO-704 EBR-09 Soil ( 1992). ..........

CS-b. Summary statistics for the EBR-09 Soils ...............................................................................

C8-c. Summary Exposure Point Concentrations for EBR-09 by Bin Depths ...................................

C9-a. Soil Contaminant Screening Process for OU 10-04, EBR-10 (WMO-705) (1990). ...............

C9-b. Summary Statistics for the EBR-10 Soils ...............................................................................

C9-c. Summary Exposure Point Concentrations for EBR-10 by Bin Depths ...................................

ClO-a. Soil Contaminant Screening Process for OU 10-04, EBR-11 (EBR-706) ............................

ClO-b. Summary Statistics for the EBR-11 Soils .............................................................................

C1O-c. Summary Exposure Point Concentrations for EBR-11 by Bin Depths .................................

Cl l-a. Soil Contaminant Screening Process for OU 10-04, EBR-12 (EBR-707) (1990). ...............

Cl l-b. Summary Statistics for the EBR-12 Soils .............................................................................

Cl l-c. Summary Exposure Point Concentrations for EBR-12 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C12-a. Soil Contaminant Screening Process for OU 10-04, EBR-15, Radionuclide Contaminated Soils (1988, 1989, 1993,1994,1995) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C12-b. Summary Statistics for the EBR-15 Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C12-c. Summary Exposure Point Concentrations for EBR-15 by Bin Depths .................................

C13-a. Soil Contaminant Screening Process for the Fly Ash Pit (2000) ..........................................

C13-b. Summary Statistics for the Fly Ash Pit Soils ........................................................................

C13-c. Summary Exposure Point Concentrations for the Fly Ash Pit by Bin Depths.. ....................

C14-a. Soil Contaminant Screening Process for OU 10-04, LCCDA-01 (1988, 1993, 1997). ........

C14-b. Summary Statistics for the LCCDA-01 Soils .......................................................................

C14-c. Summary Exposure Point Concentrations for LCCDA-01 by Bin Depths ...........................

C-48

c-49

c-50

c-50

c-5 1

C-52

C-52

c-53

c-54

c-54

c-55

C-56

C-56

c-57

C-58

C-58

c-59

C-61

c-63

C-64

C-66

C-67

C-68

c-70

c-75

xliv

C15-a. Soil Contaminant Screening Process for OU 10-04, LCCDA-02 (1988, 1997) . . . . . . . . . . . . . . . . . . . C-76

C15-b. Summary Statistics for the LCCDA-02 Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-78

C15-c. Summary Exposure Point Concentrations for LCCDA-02 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . C-80

C16-a. Soil Contaminant Screening Process for OU lo-02,OMRE-01 Soils (1997, 1999,200O) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...*. C-81

C16-b. Soil Contaminant Screening Process for OU lo-02,OMRE-01 Soils (1997, 1999) Radionuclides Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-84

C16-c. Surnmary Statistics for the OMRE Soils-Metals and Organics Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-85

C16d. Sumrnary Statistics for the OMRE Soils-Radionuclides Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-94

C16-e. Summary Exposure Point Concentrations for OMRE by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-95

C16-f. Summary Exposure Point Concentrations for OMRE (radionuclides only) by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....... c-95

C17-a. Screened Chemicals CFA-633 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-96

C17-b. Summary Statistics for the CFA-633 IA Post Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-97

C17-c. CFA-633 Exposure Point Concentration Calculations by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-97

Cl 8-a. Screened Chemicals Experimental Field Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-98

C18-b. Summary Statistics for the Experimental Field Station Soils-Area #I ..,.............................. c-100

C18-k Summary Statistics for the Experimental Field Station Soils-Area #2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-101

C18d. Experimental Field Station Exposure Point Concentrations Area #l by Bin Depths........... C-102

C 18-e. Experimental Field Station Exposure Point Concentrations Area #2 by Bin Depths . . . . . . . . . . . C- 102

C19-a. Screened Chemicals Bum Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-103

C19-b. Summary Statistics for the Bum Ring Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-105

C19-c. Bum Ring Exposure Point Concentration Calculations by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-l 15

C20-a. Screened Chemicals Land Mine and Fuze Bum Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-l 16

C20-b. Summary Statistics for the Land Mine and Fuze Bum-Area #2 . . . . . . . . . . . ..*..............*.............. c-121

C20-c. Summary Statistics for the Land Mine and Fuze Bum Area #3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-123

C20-d. Land Mine and Fuze Bum Area Exposure Point Concentration Calculations Area #2 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-132

xlv

C20-e. Land Mine and Fuze Bum Area Exposure Point Concentration Calculations Area #3 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-132

C2 1 -a. Screened Chemicals NOAA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-133

C21-b. Summary Statistics for the NOAA Soils-Area #l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-137

C21-c. Summary Statistics for the NOAA Soils-Area #2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-138

C21d. Summary Statistics for the NOAA Soils-Area #2a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-139

C21-e. Summary Statistics for the NOAA Soils-Area #3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-140

C21-f. Summary Statistics for the NOAA Soils-Area #4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-141

C21-g. Summary Statistics for the NOAA Soils-Area #5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-142

C21-h. Summary Statistics for the NOAA Soils-Area #6 . . . . . . . . . . . . . . . ...*..........................................*.. c-143

C21-i. NOAA Exposure Point Concentration Calculations Area #l by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . C-145

C21-j. NOAA Exposure Point Concentration Calculations Area #2 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . C-145

C21-k. NOAA Exposure Point Concentration Calculations Area #2a by Bin Depths . . . . . . . . . . . . . . . . . . . . . C-146

C21-1. NOAA Exposure Point Concentration Calculations Area #3 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . C-146

C21-m. NOAA Exposure Point Concentration Calculations Area #4 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . C-147

C21-n. NOAA Exposure Point Concentration Calculations Area #5 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . C-147

C2 l-o. NOAA Exposure Point Concentration Calculations Area #6 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . C-148

C22-a. Screened Chemicals Fire Station II Zone and Range Fire Bum Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-149

C22-b. Summary Statistics for the Fire Station II Zone and Range Fire Bum Area Soils-Area # 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... c-154

C22-c. Summary Statistics for the Fire Station II Zone and Range Fire Bum Area Soils-Area #2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... c-155

C22d. Summary Statistics for the Fire Station II Zone and Range Fire Bum Area Soils-Area #3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... C-156

C22-e. Summary Statistics for the Fire Station Soils-Area #4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-173

C22-f. Fire Station II Zone and Range Fire Bum Area Exposure Point Concentrations Area #l by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-174

C22-g. Fire Station II Zone and Range Fire Bum Area Exposure Point Concentrations Area #2 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..I................................................ c-174

xlvi

C22-h. Fire Station II Zone and Range Fire Bum Area Exposure Point Concentrations Area #3 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-175

C22-i. Fire Station II Zone and Range Fire Bum Area Exposure Point Concentrations Area #4 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-175

C23-a. Soil Contaminant Screening Process for OU 10-04, MDA Soil (1997, 1999) . . . . . . . . . . . . . . . . . . . . . C-176

C23-b. Summary Statistics for the MDA Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-177

C23-c. Summary Exposure Point Concentrations for the Mass Detonation Area by Bin Depth ................................................................................................................................ C-178

C24-a. Screened Chemicals UXO East of TRA ............................................................................... c-179

C24-b. Summary Statistics for the UXO East of TRA soils ............................................................. C-180

C24-c. UXO East of TRA Exposure Point Concentration Calculations by Bin Depths.. ................. C-l 8 1

C25-a. Screened Chemicals Rail Car Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-182

C25-b. Summary Statistics for the Rail Car Soils-Area #2 .............................................................. C-186

C25-c. Summary Statistics for the Rail Car Soils-Area #3 ............................................................... C-188

C25-d. Summary Statistics for the Rail Car Soils-Area #4 .............................................................. C-189

C25-e. Summary Statistics for the Rail Car Soils-Area #5 ............................................................... c-190

C25-f. Summary Statistics for the Rail Car Soils-Area #6 ............................................................... c-191

C25-g. Railcar Exposure Point Concentration Calculations Area #2 by Bin Depths. ...................... C-192

C25-h. Railcar Exposure Point Concentration Calculations Area #3 by Bin Depths.. ..................... C-192

C25-i. Railcar Exposure Point Concentration Calculations Area #4 by Bin Depths.. ...................... C-193

C25-j. Railcar Exposure Point Concentration Calculations Area #5 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . . C-193

C25-k. Railcar Exposure Point Concentration Calculations Area #6 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . C-193

C26-a. Screened Chemicals Craters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c-194

C26-b. Summary Statistics for the Crater Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-196

C26-c. Crater Exposure Point Concentration Calculations .............................................................. C-198

C27-a. Screened Chemicals NODA ................................................................................................. c-199

C27-b. Summary Statistics for the NODA Soils-Area #2 ................................................................ c-210

C27-c. Summary Statistics for the NODA Soils-Area #3 ................................................................ C-218

xlvii

C27-d. Summary Statistics for the NODA Soils-Area #4 . . . . . . . . . ..-....................................................

C27-e. NODA Exposure Point Concentration Calculations Area #2 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . .

C27-f. NODA Exposure Point Concentration Calculations Area #3 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . . .

C27-g. NODA Exposure Point Concentration Calculations Area #4 by Bin Depths . . . . . . . . . . . . . . . . . . . . . . .

C28-a. Soil Contaminant Screening Process for WAG 10, OU 10-04, STF-02 (Kickout-2000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C28-b. Soil Contaminant Screening Process for WAG 10, OU 10-04, STF-02 (Remainder-2000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C28-c. Summary Statistics for the STF-02 Gun Range-Kickout Area-Analytes in Soil............. C-242

C28-d. Summary Statistics for the STF-02 Gun Range-Remainder of Area-Analytes in Soil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C28-e. Summary Exposure Point Concentrations for STF-02 Kickout by Bin Depths . . . . . . . . . . . . . . . . . . . .

C28-f. Summary Exposure Point Concentrations for STF-02 Remainder by Bin Depths . . . . . . . . . . . . . . .

C29-a. Soil Contaminant Screening Process for OU 10-07, Buried U.S. West Telecommmunications Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C29-b. Summary Statistics for the U.S. West Cable Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-246

C-225

C-235

C-237

C-237

C-239

C-241

c-244

C-245

C-245

C-246

D-l. BRA human health assessment uncertainty factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-24

El-l. Total risks by exposure pathway at each site/area for the future residential scenario . . . . . . . . . . . . 1

El-2. Total risks by exposure pathway and group for the future residential scenario.. .................... 1

El-3. Total risk at each site/group for the future residential scenario .............................................. 1

El-4. Risk by ingestion of soil for the future residential scenario ................................................... 1

El-5. Risk by groundwater ingestion for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

El-6. Risk by ingestion of homegrown produce for the future residential scenario ........................ 5

El-7. Risk by inhalation of fugitive dust for the future residential scenario .................................... 8

El-g. Risk by inhalation of volatiles from soil for the future residential scenario ........................... 9

El-9. Risk by inhalation of volatiles from groundwater for the future residential scenario ............. 10

El-IO. Risk by external radiation exposure for the future residential scenario ................................ 11

El-l 1. Risk by dermal absorption of soil for the future residential scenario ................................... 11

xlviii

E 1 - 12. Risk by dermal absorption of groundwater for the future residential scenario . . . . . . . . . . . . . . . . . . . . .

El-13. Total hazard quotients by site for the future residential scenario .,.......................................

El-14. Total hazard quotients by area for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

El -15. Total hazard quotients at each site/group for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . .

El-16. Hazard quotients by ingestion of soil for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

El-17. Hazard quotients by groundwater ingestion for the future residential scenario . . . . . . . . . . . . . . . . . . . .

El-l 8. Hazard quotients by ingestion of homegrown produce for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .........

El-19. Hazard quotients by inhalation of fugitive dust for the future residential scenario..............

El-20. Hazard quotients by inhalation of volatiles from soil for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..~.............................................

El-21. Hazard quotients by inhalation of volatiles from groundwater for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..I....................................................................

El-22. Hazard quotients by dermal absorption of soil for the future residential scenario . . . . . . . . . . . . . . .

El-23. Hazard quotients by dermal absorption of groundwater for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........

El -27. Intake, ingestion of soil, noncarcinogen (mg/kg-day) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*.................................................................................................. 36

El-28. Intake, ingestion of groundwater, carcinogens (mg/kg-day or pci/kgday) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

El-29. Intake, ingestion of groundwater, noncarcinogens (mg/kg-day) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .........

El-30. Alpha, for volatilization factor (cnQ/s) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . .

El -3 1. Effective diffusivity (cm2/s) for the future residential scenario . . . . . . . . ..s................................

El-32. Soil/air partition coefficient for volatile COPCs for the future residential scenario.............

El -33. Volatilization factor for volatile COPCs (m3/kg) for the future residential scenario............

El-34. Area weighted average airborne volatile concentration (mg/m’> for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

El -35. Airborne contaminant concentrations, fugitive dust (mg/m3 or pCi/m3) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

E l-36. Intake, fugitive dust, noncarcinogens (mg/kg-day ) for the future residential scenario.. . . . . . . .

14

15

17

18

19

22

23

26

27

28

29

32

39

40

41

41

41

41

42

43

44

xlix

El-37. Intake, fugitive dust, carcinogens (mg/kg-day or pCi/kgday) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......... 45

El-38. Intake, volatile inhalation, soil, carcinogenic (mg/kg-day) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......... 46

El-39. Intake, volatile inhalation, soil, noncarcinogenic (mg/kg-day) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......... 46

El-40. Intake, volatile inhalation, groundwater, carcinogenic (mg/kg-day ) for the future residential scenario . . . . . . . . . ..*.................................................................................................... 46

E l-4 1. Intake, volatile inhalation, groundwater, noncarcinogenic, (mg/kgday) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

E1-42. Exposures due to external radiation, carcinogenic (pCi-yr/g), based on area weighted average soil concentrations (O-10 ft) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . ...*..... 47

E1-43. Intake, dermal absorption of soil, carcinogenic (mg/kgday) for the future residential 47 scenano . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .........

El-44. Intake, dermal absorption of soil, noncarcinogenic (mg/kg-day) for the future residential 49 scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .........

El-45. Intake, dermal absorption of groundwater, carcinogenic for the future residential 51 scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .........

El-46. Intake, dermal absorption of groundwater, noncarcinogenic for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......... 52

53

53

El-47. Radioactive decay constants, lambda for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

El-48. Leach rate constant for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

El-49. Irrigation COPC input rate (mg/gday or p/Ci/gday) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

El-50. Average soil concentrations when irrigating with groundwater for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

El-5 1. Average concentration of COPC in HGP from plant uptake (mg/kg or pCi/g) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

El-52. Intake, homegrown produce, carcinogenic (mg/kg-day or pCi/day) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

El-53. Intake, homegrown produce, noncarcinogenic (mg/kg-day or pCi/day) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

El-54. Original exposure point concentrations (mg/kg or pCi/g) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......... 67

El-55. Site/area dimensions for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

El-56. Rad decayed exposure point concentrations by site, year 100 to 130 (pCi/g) for the future residential scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

El-57. I

El-58.

El-59.

El-60.

El-61.

E2-1.

E2-2.

E2-3.

E2-4.

E2-5.

E2-6.

E2-7.

E2-8.

E2-9.

Area weighted average of original exposure point concentrations (mg/kg or pCi/g) for the future residential scenario ..........................................................................................

Soil radionuclide exposure point concentrations for home grown produce by site, decay corrected to year 100 (pCi/g) for the future residential scenario ................................

Groundwater concentrations by area (mg/L or pCi/L) for the future residential scenario .................................................................................................................................

Concentration of volatiles in air from indoor groundwater use (mg/m3) for the future residential scenario .....................................................................................................

Exposure parameters for the future residential scenario .......................................................

Total risks by exposure pathway at each site/area for the current worker scenario.. ...........

Total risks by exposure pathway and group for the current worker scenario.. .....................

Total risk at each site/group for the current worker scenario ...............................................

Risk by ingestion of soil, carcinogens for the current worker scenario ................................

Risk by inhalation of fugitive dust, carcinogens for the current worker scenario.. ..............

Risk by inhalation of volatiles from soil, carcinogens for the current worker scenario .................................................................................................................................

Risk by external radiation exposure, carcinogens for the current worker scenario.. ............

Risk by dermal absorption of soil, carcinogens for the current worker scenario .................

Total hazard quotients by exposure pathway at each site/area for the current worker scenario ....................................................................................................................

E2-10. Total hazard quotients by exposure pathway and group for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...........

E2- 11. Total hazard quotients at each site/group for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . .

E2-12. Hazard quotients by ingestion of soil for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

E2-13. Hazard quotients by inhalation of fugitive dust, non-carcinogens for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..-..................................

70

71

72

73

74

75

76

E2-1

E2-2

E2-3

E2-4

E2-7

E2-8

E2-9

E2-10

E2-13

E2-14

E2-15

E2-16

E2-19

E2-14. Hazard quotients by inhalation of volatiles from soil, noncarcinogens for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-20

li

E2-15. Hazard quotients by dermal absorption of soil, non-carcinogens for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-2 1

E2-18. Intake, ingestion of surface soil (O-6 in.), carcinogen (mg/kg-day or pCi/kgday) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-24

E2-19. Intake, ingestion of surface soil (O-6 in.), noncaicinogen (mg/kg-day) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-27

E2-20. Alpha, for volatilization factor (cm’/s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-30

E2-21. Effective diffusivity (cm2/s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-30

E2-22. Soil/air partition coefficient for volatile COPCs ................................................................... E2-30

E2-23. Volatilization factor for volatile COPCs (m3/kg) .................................................................. E2-30

E2-24. Area weighted average airborne volatile concentration (mg/m3) based on 0-0.5fi soil depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......... E2-30

E2-25. Airborne contaminant concentrations, fugitive dust (mg/m3 or pCi/m3), based on O-O.5 ft depth for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-3 1

E2-26. Intake, inhalation of fugitive dust, noncarcinogens (mg/kg-day) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*........*.......... E2-32

E2-27. Intake, inhalation of fugitive dust, carcinogens (mg/kgday or pCi/kgday) for the current worker scenario . . . . . . . . . . . . . . . ..*...............*......................................... . . . . . . . . . . . . . . . . . . . . . . . . . . E2-33

E2-28. Intake, volatile inhalation, soil, carcinogenic (mg/kg-day or pCi/kgday) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-34

E2-29. Intake, volatile inhalation, soil, noncarcinogenic (mg/kgday) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-34

E2-30. Exposure factor from external radiation, based on area weighted average soil concentrations, carcinogenic (pCi-yr/g) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-35

E2-31. Intake, dermal absorption of soil, carcinogenic (mg/kgday) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-35

E2-32. Intake, dermal absorption of soil, noncarcinogenic (mg/kg-day) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-38

E2-33. O-O.5 feet original exposure point concentrations (mg/kg or pCi/g) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-41

E2-34. O-4 feet original exposure point concentrations (mg/kg or pCi/g) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-44

E2-35. Site/area dimensions for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*......................... E2-47

lii

E2-36. O-O.5 feet, average radioactive decayed exposure point concentrations by site, year 0 to 25 (pCi/g) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-48

E2-37. O-4 feet, rad decayed exposure point concentrations by site, year 0 to 25 (pCi/g) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-49

E2-38. O-O.5 feet, area weighted average of exposure point concentrations (mg/kg or pCi/g) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-50

E2-39. OA feet, area weighted average of exposure point concentrations (mg/kg or pCi/g) for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-5 1

E2-40. Exposure parameters for the current worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E2-52

E3-1. Total risks by exposure pathway at each site/are for the future worker scenario . . . . . . . . . . . . . . . . . . . E3-1

E3-2. Total risks by exposure pathway and group for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-2

E3-3. Total risk at each site/group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-2

E3-4. Risk by ingestion of soil, carcinogens for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-4

E3-5. Risk by inhalation of fugitive dust, carcinogens for the future worker scenario . . . . . . . . . . . . . . . . . . . . E3-8

E3-6. Risk by inhalation of volatiles from soil, carcinogens for the future worker scenario . . . . . . . . . . . E3- 10

E3-7. Risk by external radiation exposure for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-11

E3-8. Risk by dermal absorption of soil, carcinogens for the future worker scenario . . . . . . . . . . . . . . . . . . . . . E3-12

E3-9. Total hazard quotients by exposure pathway at each site/area for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-15

E3-10. Total hazard quotients by exposure pathway and group for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..~........... E3-17

E3- 11. Total hazard quotients at each site/group for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-17

E3-12. Hazard quotients by ingestion of soil, non-carcinogens for the future worker scenario . ..*............................................................................................................................... E3-19

E3-13. Hazard quotients by inhalation of fugitive dust, non-carcinogens for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-22

E3-14. Hazard quotients by inhalation of volatiles from soil, non-carcinogens for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-23

E3-15. Hazard quotients by dermal absorption of soil, non-carcinogens for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-24

E3-18. Intake, ingestion of surface soil (O-6 in.), carcinogen (mg/kgday or pCi/kgday) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-27

liii .

E3-19. Intake, ingestion of surface soil (O-6 in.), noncarcinogen (mg/kgday) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-30

E3-20. Alpha, for volitilzation factor (cm2/s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-33

E3-2 1. Effective diffusivity (cm2/s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-33

E3-22. Soil/air partition coefficient for volatile COPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-33

E3-23. Voltilization factor for volatile COPCs (m3/kg) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-33

E3-24. Area weighted average airborne volatile concentration (mg/m3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-33

E3-25. Airborne contaminant concentrations, fugitive dust (mg/m’ or pCi./m3) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-34

E3-26. Intake, inhalation of fugitive dust, noncarcinogens (mg/kg-day) for the future worker scenario . . . . . . . . . . . . . . . . . . ..*.*......*............................................................*..........*................. E3-35

E3-27. Intake, inhalation of fugitive dust, carcinogens (mg/kgday or pCi/kgday) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-36

E3-28. Intake, volatile inhalation, soil, carcinogenic (mg/kg-day or pCi/kgday) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-37

E3-29. Intake, volatile inhalation, soil, noncarcinogenic (mg/kg-day) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-37

E3-30. Exposures due to external radiation, carcinogenic (pCi-yr/g) based on area weighted average soil concentrations (0-4ft) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-38

E3-31. Intake, dermal absorption of soil, carcinogenic (mg/kgday) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-39

E3-32. Intake, dermal absorption of soil, noncarcinogenic (mg/kg-day) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*......... E3-41

E3-33. O-O.5 feet original exposure point concentrations (mg/kg or pCi/g) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-43

E3-34. o-4 feet original exposure point concentrations (mg/kg or pCi/g) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-46

E3-35. Site/area dimensions for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*........ E3-49

E3-36. O-O.5 feet, rad decayed exposure point concentrations by site, year 100 to 125 (pCUg) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-50

E3-37. O-4 feet, rad decayed exposure point concentrations by site, year 100 to 125 (pCi/g) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-52

liv

E3-38. O-O.5 feet, area weighted average of exposure point concentrations (mg/kg or pCi/g) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-53

E3-39. o-4 feet, area weighted average of exposure point concentrations (mg/kg or pCi/g) for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-55

E3-40. Exposure parameters for the future worker scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E3-57

E4-1. Contaminant Specific Parameter Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E4-1

F-l. Summary of assessment endpoints, receptors, and measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-7

F-2. Threatened or endangered species, sensitive species, and species of concern that may be found on the INEEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-14

F-3. Summary of biological field survey for WAG 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-17

F-4. Summary of biological field survey for WAG 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-19

F-5. Habitat rating conventions for WAG 6 and 10 sites of concern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-20

F-6. Summary of WAGS 6 &lO ERA results ..,.............................................................................. F-23

F-7. Summary of WAGS 6 and 10 exposure media and ingestion routes for INEEL functional groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-34

F-8. Summary of assessment endpoints for WAGS 6 and 10 ERA (Suter et al. 1993) . . . . . . . . . . . . . . . . . . F-38

F-9. WAGS 6 and 10 species parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-41

F-10. Results of hazard quotient calculations for the WAGS 6 &lO ecological risk assessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*................................................... F-42

F-l 1 TRVs for Non-radionuclides (mg/kgd) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-61

F-12. Summary of ERA HQs for BORAX-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-68

F-13. Summary of ERA HQs for BORAX-02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*........... F-69

F-14. Summary of ERA HQs for BORAX-09 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-70

F-15. Summary of ERA HQs for the Fly Ash Pit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-73

F-16. Summary of ERA HQs for LCCDA-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*......................................... F-74

F-17. Summary of ERA HQs for LCCDA-02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-75

F-18. s ummary of ERA HQs for CFA-633 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-77

F-19. Summary of ERA HQs for NODA Area 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-79

F-20. Summary of ERA HQs for NODA Area 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-84

Iv

F-2 1. Summary of ERA HQs for NODA Area 4 ..............................................................................

F-22. Summary of ERA HQs for NOAA Grid Area 1 .....................................................................

F-23. Summary of ERA HQs for NOAA Grid Area 2 .....................................................................

F-24. Summary of ERA HQs for NOAA Grid Area 2a ....................................................................

F-25. Summary of ERA HQs for NOAA Grid Area 3 .....................................................................

F-26. Summary of ERA HQs for NOAA Grid Area 4 .....................................................................

F-27. Summary of ERA HQs for NOAA Grid Area 5 ......................................................................

F-28. Summary of ERA HQs for NOAA Grid Area 6 .....................................................................

F-29. Summary of ERA HQs for the Fires Station II Zone and Range Fire Burn Area 1.. ..............

F-30. Summary of ERA HQs for the Fires Station II Zone and Range Fire Burn Area 2.. ..............

F-31. Summary of ERA HQs for the Fires Station II Zone and Range Fiie Bum Area 3.. ..............

F-32. Summary of ERA HQs for the Fires Station II Zone and Range Fire Burn Area 4.. ..............

F-33. Summary of ERA HQs for the Experimental Field Station Area 1 ........................................

F-34. Summary of ERA HQs for the Experimental Field Station Area 2 ........................................

F-35. Summary of ERA HQs for the Unexploded Ordnance East of TRA.. ....................................

F-36. Summary of ERA HQs for Bum Ring South of Experimental Field Station ..........................

F-37. Summary of ERA HQs for the Rail Car Explosion Area 2 .....................................................

F-38. Summary of ERA HQs for the Rail Car Explosion Area 3 ......................................................

F-39. Summary of ERA HQs for the Rail Car Explosion Area 5 .....................................................

F-40. Summary of ERA HQs for the Rail Car Explosion Area 6 .....................................................

F-41. Summary of ERA HQs for the Land Mine and Fuze Burn Area 2 .........................................

F-42. Summary of ERA HQs for the Land Mine and Fuze Bum Area 3 .........................................

F-43. Summary of ERA HQs for the Craters East of INTEC ...........................................................

F-44. Summary of ERA HQs for the STF-02 Remainder Area.. ......................................................

F-45. Summary of ERA HQs for the STF-02 Kickout Area ............................................................

F-46. Source and effects of uncertainties in the ecological risk assessment ....................................

F-86

F-88

F-89

F-90

F-91

F-92

F-92

F-93

F-95

F-96

F-97 *

F-98

F-100

F-101

F-102

F-103

F-105

F-106

F-107

F-108

F-l 10

F-111

F-l 13

F-l 14 .

F-l 16

F-l 18

lvi .

F-47. Summary of the sites with potential for posing risk to ecological receptors ,.,....,,,................ F-l 19

F-48. Comparison of waste area group ecological risk assessment compbnents for phases of the INEEL-wide ecological risk assessment .,.............,...,,.,......,..,,.,...,,,,......,......... F-123

G-l. BORAX-01 ,.,...,,,....,,,...,.................................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..-- G-2

G-2. BORAX-02 (2000) ,.,......,,,...................,......f............. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-3

G-3. BORAX-09 ,,,....,.......,............,...,....................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-4

G-4. Fly Ash Pit ,,,,..,,.......,,.,.,,.,......,.......................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-5

G-5. LCCDA-0 1 ,.,,....,,...................,........................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-6

G-6. LCCDA-02 ..............................................................................................................................

G-7. OMRE-01 (Organic Moderated Reactor Experiment Leach Pond) ........................................

G-8. CFA-633 Naval Firing Site and Downrange Area ..................................................................

G-9. Naval Ordnance Disposal Area (Area #2) ...............................................................................

G- 10. Naval Ordnance Disposal Area (Area #3) ...............................................................................

G-l 1. Naval Ordnance Disposal Area (Area #4) ...............................................................................

G-12. National Oceanic and Atmospheric Administration Grid (Area #l) .......................................

G-l 3. National Oceanic and Atmospheric Administration Grid (Area #2) .......................................

G-14. National Oceanic and Atmospheric Administration Grid (Area #2a) .....................................

G-15. National Oceanic and Atmospheric Administration Grid (Area #3) .......................................

G-16. National Oceanic and Atmospheric Administration Grid (Area #4) .......................................

G-17. National Oceanic and Atmospheric Administration Grid (Area #5) .......................................

G-l 8. National Oceanic and Atmospheric Administration Grid (Area #6) .......................................

G-19. Fire Station II Zone and Range Fire Bum Area (Area #l) ......................................................

G-20. Fire Station II Zone and Range Fire Bum Area (Area #2) ......................................................

G-21. Fire Station II Zone and Range Fire Bum Area (Area #3). .....................................................

G-22. Fire Station II Zone and Range Fire Bum Area (Area #4) ......................................................

G-23. Mass Detonation Area .............................................................................................................

G-24. Experimental Field Station (Area #l) .....................................................................................

G-7

G-8

G-9

G-10

G-14

G-16

G-17

G-18

G-19

G-20

G-21

G-22

G-23

G-24

G-25

G-26

G-27

G-28

G-29

lvii

G-25. Experimental Field Station (Area #2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-30

G-26. Unexploded Ordnance East of TRA . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..-......................................................... G-31

G-27. Bum Ring South of Experimental Field Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-32

G-28. Rail Car Explosion Area (Area #2) . . . . . . . . . . . . . . . . ..-...................................................................... G-34

G-29. Rail Car Explosion Area (Area #3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-35

G-30. Rail Car Explosion Area (Area #/4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-36

G-3 1. Rail Car Explosion Area (Area #5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-37

G-32. Rail Car Explosion Area (Area #6) . . . . . . . . . . . . . . . . . . . . . . ..-.....-.......................................................... G-38

G-33. Land Mine Fuze Burn Area (Area #2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-39

G-34. Land Mine Fuze Burn Area (Area #3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-40

G-35. Craters East of INTEC . . . . . . . . . . . . . . . . . . . . ..-.---................-................................................................ G-41

G-36. STF-02 Remainder Area . . . . . . . . . ..--........-................................................................................... G-42

G-37. STF-02 Kickout Area . . . . . . . . . . . . . . . . . . . . . ..-...................................................................................... G-43

H2-1. Evaluation and selection of COPCs summarized from the WAG ERAS for use in the OU lo-04 ERA (from Suter et al. 1995) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H2-3

H3-la. Depth Intervals for 1997 Soil Samples for the OU lo-04 ERA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H3-2

H3-lb. Comparison of the 1997 ERA Soil Sampling Maximum Concentrations to the INEEL Background Data Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H3-4

H3-lc. Soil Contaminant Screening Process for the Reference Area - 1997 Soil Samples (O-2 ft) . . . . . . . . . . . . . . . . . . . . . . . . . ..-...................-................................................................. H3-7

H3-ld. Soil Contaminant Screening Process for the CPP Plume - 1997 Soil Samples (O-2 ft) . . . . . . . . . . . . . . . . . . . . . . . . . . ..--................................................................................... H3-9

H3-1-e. Comparison of Total Hazard Indices for the INEEL Background, Reference Area, and CPP Plume (1997)-Functional Groups , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H3-20

H3-lf. Comparison of Total Hazard Indices for the INEEL Background, Reference Area, and CPP Plume (1997)-Current Receptors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..-.............. H3-22

H3-lg. Comparison of Total Hazard Indices for the INEEL Background, Reference Area (1997), and BORAX (2000)-Current Receptors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H3-23

J-l. Summary of OMRE FY 1999 Radionuclide Soil Sample Results in pCi/g . . . . . . . . . . . . . . . . . . . . . . . . . . . . J-5

Kl-1. Arsenic in igneous rocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Kl-1

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Kl-2. Arsenic in sedimentary rocks .............................................................................................. Kl-1

Kl-3. Generic Soil Background Values for Arsenic (Kabata-Pendias 1985) .............................. Kl-2

K1-4. Soil background levels for arsenic (Baldwin 1998) ............................................................ Kl-3

Kl-5. The various soil background studies for arsenic ................................................................. Kl-6

K2-1. Summary of Monte Carlo Lead in Soil Eco-PRG Results for Mammals and Birds.. ......... K2-8

K2-2. Plant Lead Soil Eco-PRGs based on NOEC and EC25 Values ............................................ K2-8

K2-3. Summary of Effects of Lead in Soil on Plants .................................................................... K2-12

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