- aldrin€¦ · 15-dec-98- aldrin-----.. 0.01 < ug/l 15-dec-98 alpha-bnc 0.01 < ug/l...

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San Antonio River - Entry Vandenberg AFB CA AMOUNT 0 UNITS CONTAMINANT DATE 15-Dec-98 a-Xylene 0.5 < ug/L 15-Dec-98 1,1,1-Trichloroethane 0.5 < ug/L 15-Dec-98 1,1,2,2-Tetrachloroethane 0.5 < ug/L 15-Dec-98 1,1,2-Trichloroethane 0.5 < ug/L 15-Dec-98 1,1-Dichloroehtane 0.5 < ug/L 15-Dec-98 1,1-Dichloroethylene 0.5 < ug/L 15-Dec-98 1,2-Dichlorobenzene 0.5 < ug/L 15-Dec-98 1,2-Dichloroethane 0.5 < ug/L 15-Dec-98 1,2-Dichloropropane 0.5 < ug/L 15-Dec-98 1,3-Dichlorobenzene 0.5 < ug/L 15-Dec-98 1,4-Dichlorobenzene 0.5 < ug/L 15-Dec-98 2,4 0 25 < ug/L 15-Dec-98 2-Chloroethylpropene 0.5 < ug/L 15-Dec-98 4,4-000 0.01 < ug/L r---' 15-Dec-98 4,4-DDE 0.01 < ug/L 15-Dec-98 4,4-DDT 0.01 < ug/L 15-Dec-98 Aldrin 0.01 < ug/L - ------.. 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98 Benzene 0.5 < ug/L 15-Dec-98 Beta-BHC 0.03 < ug/L 15-Dec-98 Boron 0.33 mg/L 15-Dec-98 Bromoform 0.5 < ug/L 15-Dec-98 Bromometane 0.5 < ug/L. 15-Dec-98 c-1,3-Dichloropropene 0.5 < ug/L 15-Dec-98 Cadmium 0.02 < mg/L 15-Dec-98 Calcium 53 mg/L 15-Dec-98 Carbon tetrachloride 0.5 < ug/L 15-Dec-98 Chlordane 1 < ug/L 15-Dec-98 Chloride 395 mg/L 15-Dec-98 Chloro vinyl ether 0.5 < ug/L 15-Dec-98 Chlorobenzene 0.5 < ug/L 15-Dec-98 Chloroethane 0.5 < ug/L 15-Dec-98 Chloroform 1.4 ug/L 15-Dec-98 Chloromethane 0.5 < ug/L 15-Dec-98 Chlorpyrifos 1 < ug/L 15-Dec-98 Chromium 0.02 < mg/L 15-Dec-98 COD 34 mg/L 15-Dec-98 Copper 0.02 < mg/L 15-Dec-98 Delta-BHC 0.01 < ug/L 15-Dec-98 Dibromochloromethane 0.5 < 'ug/L 15-Dec-98 Dichlorobromomethane 0.5 < . ug/L 15-Dec-98 Dichlorodifluoromethane 0.5 < ug/L --- -- 15-Dec-98 Dieldrin 0.01 < ug/L 15-Dec-98 Dissolved Sulfide 0.05 < mg/L 15-Dec-98 Endosulfan I 0.1 < ug/L 15-Dec-98 Endosulfan II 0.01 < ug/L 15-Dec-98 Endosulfan Sulfate 0.5 < ug/L Page 1 of 12

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Page 1: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

San Antonio River - EntryVandenberg AFB CA

AMOUNT 0 UNITSCONTAMINANTDATE15-Dec-98 a-Xylene 0.5 < ug/L15-Dec-98 1,1,1-Trichloroethane 0.5 < ug/L15-Dec-98 1,1,2,2-Tetrachloroethane 0.5 < ug/L15-Dec-98 1,1,2-Trichloroethane 0.5 < ug/L15-Dec-98 1,1-Dichloroehtane 0.5 < ug/L15-Dec-98 1,1-Dichloroethylene 0.5 < ug/L15-Dec-98 1,2-Dichlorobenzene 0.5 < ug/L15-Dec-98 1,2-Dichloroethane 0.5 < ug/L15-Dec-98 1,2-Dichloropropane 0.5 < ug/L15-Dec-98 1,3-Dichlorobenzene 0.5 < ug/L15-Dec-98 1,4-Dichlorobenzene 0.5 < ug/L15-Dec-98 2,4 0 25 < ug/L15-Dec-98 2-Chloroethylpropene 0.5 < ug/L15-Dec-98 4,4-000 0.01 < ug/L

r---'15-Dec-98 4,4-DDE 0.01 < ug/L15-Dec-98 4,4-DDT 0.01 < ug/L15-Dec-98 Aldrin 0.01 < ug/L- ------..15-Dec-98 Alpha-BNC 0.01 < ug/L15-Dec-98 Aluminum 0.5 mg/L15-Dec-98 Ammonia as N 0.16 mg/L15-Dec-98 Arsenic 0.1 < mg/L15-Dec-98 Benzene 0.5 < ug/L15-Dec-98 Beta-BHC 0.03 < ug/L15-Dec-98 Boron 0.33 mg/L15-Dec-98 Bromoform 0.5 < ug/L15-Dec-98 Bromometane 0.5 < ug/L.15-Dec-98 c-1,3-Dichloropropene 0.5 < ug/L15-Dec-98 Cadmium 0.02 < mg/L15-Dec-98 Calcium 53 mg/L15-Dec-98 Carbon tetrachloride 0.5 < ug/L15-Dec-98 Chlordane 1 < ug/L15-Dec-98 Chloride 395 mg/L15-Dec-98 Chloro vinyl ether 0.5 < ug/L15-Dec-98 Chlorobenzene 0.5 < ug/L15-Dec-98 Chloroethane 0.5 < ug/L15-Dec-98 Chloroform 1.4 ug/L15-Dec-98 Chloromethane 0.5 < ug/L15-Dec-98 Chlorpyrifos 1 < ug/L15-Dec-98 Chromium 0.02 < mg/L15-Dec-98 COD 34 mg/L15-Dec-98 Copper 0.02 < mg/L15-Dec-98 Delta-BHC 0.01 < ug/L15-Dec-98 Dibromochloromethane 0.5 < 'ug/L15-Dec-98 Dichlorobromomethane 0.5 < .ug/L15-Dec-98 Dichlorodifluoromethane 0.5 < ug/L--- --15-Dec-98 Dieldrin 0.01 < ug/L15-Dec-98 Dissolved Sulfide 0.05 < mg/L15-Dec-98 Endosulfan I 0.1 < ug/L15-Dec-98 Endosulfan II 0.01 < ug/L15-Dec-98 Endosulfan Sulfate 0.5 < ug/L

Page 1 of 12

Page 2: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

San Antonio River - EntryVandenberg AFB CA

15-Dec-98 Endrin 0.01 < ug/L15-Dec-98 Endrin Aldehyde 0.01 < ug/L15-Dec-98 Ethylbenzene 0.5 < ug/L15-Dec-98 Hardness 226 mg/L15-Dec-98 Heptachlor 0.01 < ug/L15-Dec-98 Heptachlor Epoxide 0.01 < ug/L15-Dec-98 Iron 0.88 mg/L15-Dec-98 Lead 0.02 < mg/L15-Dec-98 Lindane 0.01 < ug/L15-Dec-98 m;p-xylene 0.5 < ug/L15-Dec-98· Magnesium 25.9 mg/L15-Dec-98 Mangenese 0.15 mg/L15-Dec-98 Mercury 0.01 < mg/L15-Dec-98 Methoxychlor 0.5 < ug/L15-Dec-98 Methylene chloride 0.5 < ug/L15-Dec-98 Nickel 0.02 < mg/L15-Dec-98 Nitrate as N 6.2 mg/L15-Dec-98 Nitrite as N 0.1 < mg/L

15-Dec-98 Oil & Grease 5 < mg/L15-Dec-98 Sodium 114 mg/L15-Dec-98 Specific Conductence 1694 umho/cm15-Dec-98 Sulfate 892 mg/L15-Dec-98 t-1,2-Dichloroethylene 0.5 < ug/L15-Dec-98 t-1,3-Dichloropropene 0.5 < ug/L15-Dec-98 TDS 1406 mg/L15-Dec-98 tetrachloroethane 0.5 < ug/L15-Dec-98 TOC 23 mg/L15-Dec-98 Toluene 0.5 < ug/L15-Dec-98 Total Acidity 10 < mg/L15-Dec-98 Total Alkalinity 309 mg/L15-Dec-98 Total Phosphorus 1 mg/L15-Dec-98 Total Solids 1415 mg/L

15-Dec-98 Toxaphene 1 < ug/L15-Dec-98 Trichloroethylene 0.5 < ug/L,............-

Trichlorofluoromethane ug/L15-Dec-98 0.5 <15-Dec-98 TSS 9 mg/L15-Dec-98 Vinyl chloride 0.5 < ug/L15-Dec-98 Zinc 0.02 < mg/L

30-Mar-99 1, 1-dichloroethane 0 ug/L30-Mar-99 1, 1-dichloroethene 0 ug/L30-Mar-99 1, 2-dichlorobenzene 0 ug/L30-Mar-99 1, 2-dichloroethane 0 ug/L30-Mar-99 1, 2-dichloropropane 0 ug/L30-Mar-99 1,1,1,2-Tetrachloroethane 0 ug/L30-Mar-99 1,1,1-trichloroethane 0 ug/L30-Mar-99 1,1,2,2-tetrachloroethane 0 ug/L30-Mar-99 1,1,2-Trichloro-1 ,2,2-trifluoroethane 0 ug/L30-Mar-99 1,1,2-trichloroethane 0 ug/L30-Mar-99 1,1-Dichloropropene 0 ug/L30-Mar-99 1,2,3-Trichlorobenzene 0 ug/L

Page 2 of 12

Page 3: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

San Antonio River - EntryVandenberg AFB CA

30-Mar-99 1,2,4-Trichlorobenzene 0 ug/L30-Mar-99 1,2,4-Trimethylbenzene 0 ug/L30-Mar-99 1,2-Dibromo-3-chloropropane 0 ug/L30-Mar-99 . 1,2-Dibromoethane 0 ug/L30-Mar-99 1,3,5-Trimethylbenzene 0 ug/L30-Mar-99 1,3-dichlorobenzene 0 ug/L30-Mar-99 1,3-Dichloropropane 0 ug/L30-Mar-99 1,4-dichlorobenzene 0 ug/L30-Mar-99 2,2-Dichloropropane 0 ug/L30-Mar-99 2-Chloroethylvinyl ether 0 ug/L30-Mar-99 2-Chlorotoluene 0 ug/L30-Mar-99 2-Hexanone 0 ug/L30-Mar-99 4-Chlorotoluene 0 ug/L30-Mar-99 Acetone 0 ug/L30-Mar-99 Benzene 0 ug/L30-Mar-99 Bromobenzene 0 ug/L30-Mar-99 Bromochloromethane 0 ug/L30-Mar-99 Bromodichloromethane 0 ug/L30-Mar-99 Bromoform 0 ug/L30-Mar-99 Bromomethane 0 ug/L30-Mar-99 Carbon disulfide 0 ug/L30-Mar-99 Carbon Tetrachloride 0 ug/L30-Mar-99 Chlorobenzene 0 ug/L30-Mar-99 chloroethane 0 ug/L30-Mar-99 Chloroform 0 ug/L30-Mar-99 Chloromethane 0 ug/L30-Mar-99 cis-1, 3-dichloropropene 0 ug/L30-Mar-99 cis-1,2-Dichloroethene 0 ug/L30-Mar-99 Dibromochloromethane 0 ug/L30-Mar-99 dibromomethane 0 ug/L30-Mar-99 Dichlorodifluoromethane 0 ug/L30-Mar-99 Ethylbenzene 0 ug/L30-Mar-99 Hexachlorobutadiene 0 ug/L30-Mar-99 Isopropylbenzene 0 ug/L30-Mar-99 m,p-Xylenes 0 ug/L30-Mar-99 methyl ethyl ketone 0 ug/L30-Mar-99 Methyl iodide 0 ug/L30-Mar-99 Methyl isobutyl ketone 0 ug/L30-Mar-99 Methyl tert-butyl ether 0 ug/L30-Mar-99 Methylene Chloride 5.4 ug/L30-Mar-99 Napthalene 0 ug/L30-Mar-99 n-Butylbenzene 0 ug/L30-Mar-99 n-Propylbenzene 0 ug/L30-Mar-99 a-Xylene 0 ug/L30-Mar-99 p-Isopropyltoluene 0 ug/L30-Mar-99 sec-Butylbenzene 0 ug/L30-Mar-99 Styrene 0 ug/L30-Mar-99 tert-Butylbenzene 0 ug/L30-Mar-99 tetrachloroethane 0 ug/L30-Mar-99 Tetrahydrofuran 0 ug/L30-Mar-99 Toluene 0 ug/L

Page 3 of 12

Page 4: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

San Antonio River - EntryVandenberg AFB CA

30-Mar-99 trans-1, 2-dichloroethene 0 ug/L30-Mar-99 trans-1, 3-dichloropropene 0 ug/L30-Mar-99 Trichloroethene 0 ug/L30-Mar-99 Trichlorofluoromethane 0 ug/L30-Mar-99 Vinyl acetate 0 ug/L30-Mar-99 Vinyl Chloride 0 ug/L31-Mar-99 Antimony 0 mg/L31-Mar-99 Arsenic 0 mg/L31-Mar-99 Barium 0.04 mg/L31-Mar-99 Beryllium 0 mg/L31-Mar-99 Cadmium 0 mg/L31-Mar-99 Chemical Oxygen Demand 27 mg/L31-Mar-99 chromium 0.03 mg/L31-Mar-99 Cobalt 0 mg/L31-Mar-99 Copper 0 mg/L31-Mar-99 Lead 0 mg/L

31-Mar-99 Molybenum 0 mg/L31-Mar-99 Nickel 0 mg/L31-Mar-99 Selenium 0 mg/L31-Mar-99 Silver 0 mg/L31-Mar-99 Thallium 0 mg/L31-Mar-99 Vanadium 0 mg/L31-Mar-99 Zinc 0 mg/L02-Apr-99 Mercury 0 mg/L08-Apr-99 4,4 DDD 0 ug/L08-Apr-99 4,4 DDE 0 ug/L08-Apr-99 4,4 DDT 0 ug/L08-Apr-99 Aldrin 0 ug/L08-Apr-99 Alpha-BHC 0 ug/L08-Apr-99 Beta-BHC 0 ug/L08-Apr-99 Chlordane 0 ug/L08-Apr-99 Delta-SHe 0 ug/L08-Apr-99 Dieldrin 0 ug/L08-Apr-99 endosulfan I 0 ug/L08-Apr-99 Endosulfan II 0 ug/L08-Apr-99 Endosulfan Sulfate 0 ug/L08-Apr-99 Endrin 0 ug/L08-Apr-99 Endrin Aldehyde 0 ug/L08-Apr-99 Endrin Ketone 0 ug/L08-Apr-99 Gamma-BHC 0 ug/L08-Apr-99 Heptachlor 0 ug/L_.08-Apr-99 Heptachlor Epoxide 0 ug/L08-Apr-99 Methoxychlor 0 ug/L08-Apr-99 Toxaphene 0 ug/L13-Apr-99 Acidity to pH 8.3, as CaC03 0 mg/L13-Apr-99 Ammonia as N 0 mg/L

~13-Apr-99 Bicarbonate Alkalinity as CaC03 230 mg/L13-Apr-99 Boron 0.63 mg/L13-Apr-99 Carbonate Alkalinity as CaC03 0 mg/L13-Apr-99 Chemical Oxygen Demand 27 mg/L13-Apr-99 Chloride 240 mg/L

Page 4 of 12

Page 5: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

til •

. San Antonio River - EntryVandenberg AFB CA

13-Apr-99 Conductance 1,590 umhos13-Apr-99 hardness as CaC03 480 mg/L13-Apr-99 Hydroxide Alkalinity as CaC03 0 mg/L13-Apr-99 Nitrate/ nitrite as N03 0 . mg/L

13-Apr-99 nitrate/nitrite as N 0.87 mg/L13-Apr-99 Oil & Grease 1.8 mg/L13-Apr-99 Phosphorus, Total 1.3 mg/L13-Apr-99 Sulfate 320 mg/L13-Apr-99 Total Alkalinity as CaC03 230 mg/L14-Apr-99 2,4-D 0 ug/L14-Apr-99 total organic carbon 34.4 mg/L21-Apr-99 Azinphos Methyl (guthion) 0 ug/L21-Apr-99 Bolstar 0 ug/L21-Ai:>r-99 Chlorpyrifos 0 ug/L21-Apr-99 coumaphos 0 ug/L

21-Apr-99 demeton 0 ug/L

21-Apr-99 Diazinon 0 ug/L21-Apr-99 Dichlorvos 0 ug/L21-Apr-99 Disulfoton 0 ug/L21-Apr-99 EPN 0 ug/L21-Apr-99 Ethion 0 ug/L21-Apr-99 Ethoprop 0 ug/L21-Apr-99 Fensulfothion - 0 ug/L21-Apr-99 Fenthion 0 ug/L21-Apr-99 Malathion 0 ug/L21-Apr-99 Merphos 0 ug/L21-Apr-99 mervinphos 0 ug/L21-Apr-99 Monocrotophos 0 ug/L21-Apr-99 Naled 0 ug/L21-Apr-99 Parathion,ethyl 0 ug/L21-Apr-99 parathion,methyl 0 ug/L

21-Apr-99 Phorate 0 ug/L

21-Apr-99 Ronnel 0 ug/L21-Apr-99 stirophos (tetrachlovinphos) 0 ug/L

21-Apr-99 Sulfotep 0 ug/L21-Apr-99 Tokuthion 0 ug/L21-Apr-99 Trichloronate 0 ug/L24-Jun-99 Ammonia as N 0 mg/L29-Jun-99 1, 1-dichloroethane 0 ug/L29-Jun-99 1, 1-dichloroethene 0 ug/L29-Jun-99 1, 2-dichlorobenzene 0 ug/L29-Jun-99 1, 2-dichloroethane 0 ug/L29-Jun-99 1, 2-dichloropropane 0 ug/L29-Jun-99 1,1,1,2-Tetrachloroethane 0 ug/L29-Jun-99 1,1,1-trichloroethane 0 ug/L29-Jun-99 1,1,2,2-tetrachloroethane 0 ug/L29-Jun-99 1,1,2-Trichloro-1,2,2-trifluoroethane 0 ug/L29-Jun-99 1,1,2-trichloroethane 0 ug/L29-Jun-99 1,1-Dichloropropene 0 ug/L29-Jun-99 1,2,3-Trichlorobenzene 0 ug/L29-Jun-99 1,2,3-Trichloropropane 0 ug/L

Page 5 of 12

Page 6: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

.. .San Antonio River - Entry

Vandenberg AFB CA

29-Jun-99 1,2,4-Trichlorobenzene 0 ug/L29-Jun-99 1,2,4-Trimethylbenzene 0 ug/L29-Jun-99 1,2-Dibromo-3-chloropropane 0 ug/L29-Jun-99 1,2-Dibromoethane 0 ug/L29-Jun-99 1,3,5-Trimethylbenzene 0 ug/L29-Jun-99 1,3-dichlorobenzene 0 ug/L29-Jun-99 1,3-Dichloropropane 0 ug/L29-Jun-99 1,4-dichlorobenzene 0 ug/L29-Jun-99 2,2-Dichloropropane 0 ug/L29-Jun-99 2-Chloroethylvinyl ether 0 ug/L29-Jun-99 2-Chlorotoluene 0 ug/L29-Jun-99 2-Hexanone 0 ug/L29-Jun-99 4-Chlorotoluene 0 ug/L29-Jun-99 Acetone 0 ug/L29-Jun-99 Benzene 0 ug/L

29-Jun-99 Boron 0.68 mg/L29-Jun-99 Bromobenzene 0 ug/L29-Jun-99 Bromochloromethane 0 ug/L29-Jun-99 Bromodichloromethane 0 ug/L29-Jun-99 Bromoform 0 ug/L29-Jun-99 Bromomethane 0 u,g/L29-Jun-99 Carbon disulfide 0 ug/L29-Jun-99 Carbon Tetrachloride 0 ug/L29-Jun-99 Chlorobenzene 0 ug/L29-Jun-99 chloroethane 0 ug/L '

29-Jun-99 Chloroform 0 ug/L29-Jun-99 Chloromethane 0 ug/L29-Jun-99 cis-1, 3-dichloropropene 0 ug/L29-Jun-99 cis-1,2-Dichloroethene 4.0 ug/L29-Jun-99 Dibromochloromethane 0 ug/L29-Jun-99 dibromomethane 0 ug/L29-Jun-99 Dichlorodifluoromethane 0 ug/L

29-Jun-99 Ethylbenzene 0 ug/L29-Jun-99 Hexachlorobutadiene a ug/L29-Jun-99 Isopropylbenzene 0 ug/L29-Jun-99 m,p-Xylenes O· ug/L29-Jun-99 methyl ethyl ketone 0 ug/L29-Jun-99 Methyl iodide 0 ug/L29-Jun-99 Methyl isobutyl ketone 0 ug/L29-Jun-99 Methyl tert-butyl ether 0 ug/L29-Jun-99 Methylene Chloride 0 ug/L29-Jun-99 Napthalene 0 ug/L29-Jun-99 n-Butylbenzene 0 ug/L29-Jun-99 n-Propylbenzene 0 ug/L29-Jun-99 o-Xylene 0 ug/L29-Jun-99 p-Isopropyltoluene 0 ug/L29-Jun-99 sec-Butylbenzene 0 ug/L29-Jun-99 Styrene 0 ug/L29-Jun-99 tert-Butylbenzene 0 ug/L29-Jun-99 tetrachloroethene 0 ug/L29-Jun-99 Tetrahydrofuran 0 ug/L

Page 6 of 12

Page 7: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

.. l.

San Antonio River - EntryVandenberg AFB CA

29-Jun-99 Toluene 0 ug/L29-Jun-99 trans-1, 2-dichloroethene 0 ug/L29-Jun-99 trans-1, 3-dichloropropene 0 ug/L29-Jun-99 Trichloroethene 2.4 ug/L29-Jun-99 Trichlorofluoromethane 0 ug/L29-Jun-99 Vinyl acetate 0 ug/L29-Jun-99 Vinyl Chloride 0 ug/L30-Jun-99 Acidity to pH 8.3 as CaC03 10 mg/L30-Jun-99 Chemical Oxygen Demand 34 mg/L30-Jun-99 Nitrate as N 0.37 mg/L30-Jun-99 Nitrate as N03 1.6 mg/L02-Jul-99 Antimony 0 mg/L02-Jul-99 Arsenic 0 mg/L02-Jul-99 Barium 0.02 mg/L

02-Jul-99 Beryllium 0 mg/L02-Jul-99 Cadmium 0 mg/L02-Jul-99 chromium 0 mg/L02-Jul-99 Cobalt 0 mg/L02-Jul-99 Copper 0 mg/L02-Jul-99 Lead 0 mg/L02-Jul-99 Molybenum 0 mg/L02-Jul-99 Nickel 0 mg/L02-Jul-99 Selenium 0 mg/L02-Jul-99 Silver 0 mg/L02-Jul-99 Thallium 0 mg/L02-Jul-99 Vanadium 0 mg/L02-Jul-99 Zinc 0.63 mg/L06-Jul-99 Mercury 0 mg/L07-Jul-99 Chloride 330 mg/L07-Jul-99 Conductance 1,710 umhos07-Jul-99 Phosphorus, Total 0.80 mg/L08-Jul-99 Hardness as CaC03 480 mg/L13-Jul-99 4,4 DOD 0 ug/L13-Jul-99 4,4 DOE 0 ug/L13-Jul-99 4,4 DDT 0 ug/L13-Jul-99 Aldrin 0 ug/L13-Jul-99 Alpha-BHC 0 ug/L13-Jul-99 alpha-chlordane 0 ug/L13-Jul-99 Aroclor 1016 0 ug/L13-Jul-99 Aroclor 1221 0 ug/L13-Jul-99 Aroclor 1232 0 ug/L13-Jul-99 Aroclor 1242 0 ug/L13-Jul-99 Aroclor 1248 0 ug/L13-Jul-99 Aroclor 1254 0 ug/L13-Jul-99 Aroclor 1260 0 ug/L13-Jul-99 aroclor 1262 0 ug/L13-Jul-99 aroclor 1268 0 ug/L13-Jul-99 Beta-BHC 0 ug/L13-Jul-99 Delta-BHC 0 ug/L13-Jul-99 Dieldrin 0 ug/L13-Jul-99 endosulfanl 0 ug/L

Page 7 of 12

Page 8: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

• •San Antonio River - Entry

Vandenberg AFB CA

13-Jul-99 Endosulfan II 0 ug/L13-Jul-99 Endosulfan Sulfate 0 ug/L13-Jul-99 Endrin 0 ug/L13-Jul-99 Endrin Aldehyde 0 ug/L13-Jul-99 Gamma-BHC 0 ug/L13-Jul-99 gamma-chlordane 0 ug/L13-Jul-99 Heptachlor 0 ug/L13-Jul-99 Heptachlor Epoxide 0 ug/L13-Jul-99 Methoxychlor 0 ug/L13-Jul-99 Toxaphene 0 ug/L14-Jul-99 2,4,5-T 0 ug/L14-Jul-99 2,4,5-TP-Silvex 0 ug/L14-Jul-99 2,4-D 0 ug/L

14-Jul-99 2,4-DB 0 ug/L14-Jul-99 Azinphos Methyl (guthion) 0 ug/L14-Jul-99 Boistar 0 ug/L14-Jul-99 Chlorpyrifos 0 ug/L14-Jul-99 coumaphos 0 ug/L14-Jul-99 Dalapon 0 ug/L14-Jul-99 dementon 0 ug/L14-Jul-99 Diazinon 0 ug/L14-Jul-99 Dicamba 0 ug/L14-Jul-99 dichlorprop 0 ug/L14-Jul-99' Dichlorvos 0 ug/L14-Jul-99 Dinoseb 0 ug/L14-Jul-99 Disulfoton 0 ug/L14-Jul-99 EPN 0 ug/L14-Jul-99 Ethion 0 ug/L14-Jul-99 Ethoprop 0 ug/L

. 14-Jul-99 Fensulfothion 0 ug/L14-Jul-99 Fenthion a ug/L14-Jul-99 Malathion a ug/L14-Jul-99 MCPA 0 ug/L14-Jul-99 MCPP 0 ug/L14-Jul-99 merphos 0 ug/L14-Jul-99 Mevinphos (phosdrin) 0 ug/L14-Jul-99 Monocrotophos 0 ug/L14-Jul-99 Naled 0 ug/L14-Jul-99 Oil & Grease 3.7 mg/L14-Ju/-99 Parathion,ethyl 0 ug/L14-Jul-99 parathion,methyl 0 ug/L14-Jul-99 Phorate 0 ug/L14-Jul-99 Ronnel 0 ug/L14-Jul-99 Stirofos 0 ug/L14-Jul-99 Sulfate 220 mg/L14-Jul-99 Sulfotep 0 ug/L14-Jul-99 Tokuthion 0 ug/L14-Jul-99 total organic carbon 16.4 mg/L14-Jul-99 Trich/oronate 0 ug/L15-Jul-99 Bicarbonate Alkalinity as CaC03 250 mg/L15-Jul-99 Carbonate Alkalinity as CaC03 0 mg/L

Page 8 of 12

Page 9: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

A ....

San Antonio River - EntryVandenberg AFB CA

15-Jul-99 Hydroxide Alkalinity as CaC03 0 mg/L15-Jul-99 Total Alkalinity as CaC03 250 mg/L

12-Apr-00 Acidity, Total ND mg/L12-Apr-00 Alkalinity, Total 407 mg/L12-Apr-00 Aluminum ND ug/L12-Apr-00 Aluminum 76.0 ug/L12-Apr-00 Ammonia ND mg/L12-Apr-00 Antimony ND ug/L12-Apr-00 Arsenic 11.6 ug/L12-Apr-00 Barium ND ug/L

.' 12-Apr-00 Beryllium ND ug/L

)< 12-Apr-00 Boron 939 ug/L

12-Apr-OO Cadmium ND ug/L12-Apr-00 Calcium 155 mg/L12-Apr-00 Carbon Dioxide ND mg/L12-Apr-00 Chemical Oxygen Demand 13.3 mg/L12-Apr-00 Chloride 457 mg/L12-Apr-00 Chromium, Total ND ug/L12-Apr-00 Copper ND ug/L12-Apr-00 Cyanide, Total ND ug/L12-Apr-00 Fluoride .509 mg/L12-Apr-00 Hardness 566 mg/L12-Apr-00 Hardness 671 mg/L12-Apr-00 Iron 397 ug/L12-Apr-00 Lead ND ug/L12-Apr-00 Magnesium 73,4 mg/L12-Apr-00 Manganese 367 ug/L12-Apr-00 Mercury ND ug/L12-Apr-00 Nickel ND ug/L12-Apr-00 Nitrate 3.60 mg/L

12-Apr-OO Nitrite ND ug/L12-Apr-00 Oil & Grease 2.90 mg/L12-Apr-00 pH 7.9112-Apr-00 Phosphorus, Total 3.03 mg/L12-Apr-00 Potassium 5,40 mg/L12-Apr-00 Selenium NO ug/L12-Apr-00 Silver ND ug/L12-Apr-00 Sodium 325 mg/L

. 12-Apr-00 Specific Conductance 2660 umhos12-Apr-00 Sulfate 391 mg/L12-Apr-00 TDS 1650 mg/L12-Apr-00 Thallium ND ug/L12-Apr-00 TOC 18.5 mg/L12-Apr-00 TSS 11 mg/L12-Apr-00 Zinc ND ug/L18-Jul-00 1,1,1,2-Tetrachloroethane ND ug/L

r--"18-Jul-00 1,1,1-trichloroethane ND ug/L18-Jul-00 1,1,2,2-Tetrachloroethane ND ug/L18-Jul-00 1,1,2-Trichloroethane ND ug/L18-Jul-00 1,1-Dichloroethane ND ug/L

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Page 10: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

San Antonio River - EntryVandenberg AFB CA

18-Jul-00 1,1-0ichloroethylene NO ug/L18-Jul-00 1,1-0ichloropropene NO ug/L18-Jul-00 1,2,3-Trichlorobenzene NO ug/L18-Jul-00 1,2,3-Tri.chloropropane NO ug/L18-Jul-00 1,2,4-Trichlorobenzene NO ug/L18-Jul-00 1,2,4-Trimethylbenzene NO ug/L18-Jul-00 1,2-0ichlorobenzene NO ug/L18-Jul-00 1,2-0ichloroethane NO ug/L18-Jul-00 1,2-0ichloromethane NO ug/L18-Jul-OO 1,3,5-Trimethylbenzene NO ug/L18-Jul-00 1,3-dichlorobenzene NO ug/L18-Jul-00 1,3-0ichloropropane NO ug/L

18-Jul-OO 1A-dichlorobenzene NO ug/L18-Jul-00 2,2-0ichloropropane NO ug/L18-Jul-OO 2,4-0 NO ug/L18-Jul-OO 2-Chloroethylvinyl ether NO ug/L18-Jul-OO 2-Chlorotoluene NO ug/L18-Jul-OO 4-Chlorotoluene NO ug/L18-Jul-OO Acidity, Total NO meq/L18-Jul-OO Alkalinity, Total 256 mg/L18-Jul-00 Aluminum NO ug/L18-Jul-OO Ammonia NO mg/L18-Jul-00 Antimony NO ug/L18-Jul-00 Arsenic 6.30 ug/L18-Jul-OO Barium NO ug/L18-Jul-00 Benzene NO ug/L18-Jul-00 Beryllium NO ug/L18-Jul-00 Bicarbonate 312 mg/L

)( 18-Jul-00 Boron 597 ug/Li' 18-Jul-00 Bromobenzene NO ug/L

18-Jul-00 Bromochloromethane NO ug/L

18-Jul-OO Bromodichloromethane ND ug/L18-Jul-00 Bromoform NO ug/L18-Jul-OO Bromomethane NO ug/L18-Jul-OO Cadmium NO ug/L18-Jul-OO Calcium 69.7 mg/L18-Jul-OO Carbon Tetrachloride NO ug/L18-Jul-00 Carbonate NO mg/L18-Jul-00 Chemical Oxygen Demand 32.7 mg/L18-Jul-00 Chloride 290 mg/L18-Jul-00 c Chloroethane NO ug/L18-Jul-00 Chloroform NO ug/L18-Jul-00 Chloromethane NO ug/L18-Jul-00 Chlorpyrifos NO ug/L18-Jul-00 Chromium, Total NO ug/L18-Jul-00 cis-1,2-0ichloroethylene NO ug/L18-Jul-OO Copper NO ug/L18-Jul-00 Cyanide, Free NO ug/L18-Jul-OO Oibromochloromethane NO ug/L18-Jul-00 Oibromomethane NO ug/L18-Jul-OO Oichlorodifluoromethane NO ug/L

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Page 11: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

San Antonio River - EntryVandenberg AFB CA

18-Jul-00 Oichloromethane NO ug/L18-Jul-00 Ethyl tert-butyl ether NO ug/L18-Jul-00 Ethylbenzene NO ug/L18-Jul-00 Fluoride .452 mg/L18-Jul-00 Hardness 370 mg/L18-Jul-00 Heptachlor NO ug/L18-Jul-00' Heptachlor Epoxide NO ug/L18-Jul-00 Hexachlorobutadiene NO ug/L18-Jul-00 Hydroxide NO mg/L18-Jul-00 Iron 846 ug/L18-Jul-00 Isopropylbenzene NO ug/L

18-Jul-00 Lead NO ug/L18-Jul-00 m,p-Xylenes NO ug/L18-Jul-00 Magnesium 50.4 mg/L18-Jul-00 Manganese 415 ug/L18-Jul-00 Mercury NO ug/L18-Jul-00 Methyl tert-butyl ether NO ug/L18-Jul-00 Methylene Blue Active Subs. NO mg/L18-Jul-00 Monochlorobenzene NO ug/L18-Jul-00 Napthalene NO ug/L18-Jul-00 n-Butylbenzene NO ug/L18-Jul~00 Nickel NO ug/L18-Jul-00 Nitrate 8.80 mg/L18-Jul-00 Nitrate + Nitrate 1990 ug/L18-Jul-00 Nitrite NO ug/L18-Ju/-00 n-Propylbenzene NO ug/L18-Jul-00 Oil & Grease NO mg/L18-Jul-00 a-Xylene NO ug/L18-Jul-00 pH 7.58 std units18-Jul-00 Phosphorus, Total ..990 mg/L18-Jul-00 p-Isopropyltoluene NO ug/L

18-Jul-00 Potassium 7.60 mg/L18-Jul-00 sec-Butylbenzene NO ug/L18-Jul-00 Selenium NO ug/L18-Jul-00 Silver NO ug/L18-Jul-00 Sodium 243 mg/L18-Jul-00 Specific Conductance 1750 umhos18-Jul-00 Styrene NO ug/L18-Jul-00 Sulfate 197 mg/L18-Jul-00 TOS 1020 mg/L18-Jul-00 Tert-Amyl Methyl Ether NO ug/L18-Jul-00 tert-Butylbenzene NO ug/L18-Jul-00 Tetrachloroethylene NO ug/L18-Jul-00 Thallium NO ug/L18-Jul-00 Toluene NO ug/L18-Jul-00 Total 1,3-0ichloropropene NO ug/L18-Jul-00 Total organic carbon 11.9 mg/L18-Jul-00 Total Residue 1350 mg/L18-Jul-00 Total Trihalomethanes NO ug/L18-Jul-00 Total Xylenes NO ug/L18-Jul-00 trans-1,2-dichloroethyene NO ug/L

Page 11 of 12

Page 12: - Aldrin€¦ · 15-Dec-98- Aldrin-----.. 0.01 < ug/L 15-Dec-98 Alpha-BNC 0.01 < ug/L 15-Dec-98 Aluminum 0.5 mg/L 15-Dec-98 Ammonia as N 0.16 mg/L 15-Dec-98 Arsenic 0.1 < mg/L 15-Dec-98

San Antonio River - EntryVandenberg AFB CA

18-Jul-OO Trichloroethylene NO ug/L18-Jul-OO Trichlorofluoromethane NO ug/L18-Jul-OO Trichlorotrifluoroethane NO ug/L18-Jul-OO TSS 78 mg/L18-Jul-OO Vinyl Chloride NO ug/L18-Jul-OO Zinc NO ug/L

Page 12 of 12