paul’s picks #5: subsurface reaction (not aluminum …...paul’s picks #5: subsurface reaction...
TRANSCRIPT
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Cincinnati, Ohio
August 2009 - Present
Paul’s Picks #5:Subsurface Reaction(not aluminum waste)
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Chronology
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EVENT DATEElevated temps, abnormal gas reported (>149F, methane < 50%)
8/31/09
Initial response plan submitted 9/17/09
Draft action plan 12/1/09
Flare interruption 3/4-5/10
Final action plan / DFFOsDFFOs appealedNOV for odors during flare interruptionTemporary Cap
3/18/104/16/106/3/106/15/10
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The SituationNORTH SIDE OF SITE
“PHASE V”
FIELD CONDITIONS
- Accelerated Settlement
- Abnormal Gas Quality
- Elevated Wellhead Temperatures
- Atypical Odors
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Current Disposal
Area
MAIN GATE
US 27ST
RU
BLE
RD
HUGHES RD
IMPACTED SLOPE
GAS PLANT
FLARE
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“Affected Area”
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6“Impacted Area”
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‘Phase V’ - Before
Area impacted
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‘Phase V’ - After
Area impacted
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Impacts
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Impacts
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Impacts
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Impacts
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Usually garbage odors In 2010, change to gas odors (primarily from Phase V) Spike in complaints and intensity during flare
interruption (47 in 1 week) Air monitoring conducted by HCDOES during odor
complaint responses & odor events All air sampling results to date are below regulatory &
health-based levels for targeted air pollutants
Odor Complaints Year106 2008
121 2009170+ 2010 (to date)
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Approx 11 acres
Abnormal SettlementN
Localized settlement
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Landfill Cross SectionGAS WELLS
Impacted AreaFilled from 1998 – 2002
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Waste Profile
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DW-2 W-135 W-122R
BOTTOM
12/99
12/02
10/04
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Response ‘Team Rumpke’
Ohio EPA, Hamilton County (DOES & PH), Colerain Township FD, US EPA Region 5, Rumpke, GSF Energy
Developed action plan Weekly meetings, daily site monitoring
Director’s Final Findings and Orders (3/18/10) Enforcement of action plan $98,000 penalty
Elevated temps in gas extraction wells Does not preclude future enforcement
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Action Plan Goals
Ensure health & safety of workers/public Control offensive odors Maintain structural integrity Closely monitor area Prevent spread of fire & return area to
normal Prepare for emergency situations Ensure compliance
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Response Update
Odor Control Additional clay Gas, leachate, & condensate removal Masking agents Trenching Temporary cover
Stabilize & monitor slope Buttress, pin monitoring, constant grading
Daily inspections, upkeep Sampling & analysis
Gas, leachate, temps, waste HOVs
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Response
Study Gas fingerprint Waste profile Leachate analysis Sentinel line monitoring
Engineering Flare modification (arrestor) Above-ground header Replace canaflex w/ metal tubing Maintenance & replacement Additional extraction wells / borings
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Gas Collection Trench
6’ CLAY COVER
6” HDPE PIPE LAID IN A BED OF GRAVEL TO
COLLECT GAS AND LIQUIDS
Trenches installed on side slope in impacted area
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Odor Control
Misting systems
Trailer
Fence line
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Odor Control
Utility flare
Gas Plant*Permit modification requested to
install thermal oxidizer
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Slope Stabilization
Soil Buttress
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“Odor Control Blanket”
Deployed over 19 acres in and around “impacted area”27
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“Odor Control Blanket”
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Additional Verticals
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Constituents Carbon monoxide Hydrogen sulfide Volatile organic compounds (VOC’s) (60+) Explosive gases (methane) Instantaneous
Location 2x / week at 17 locations 15 + canisters in last 6 months Downwind fixed location RAT
Air Monitoring
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Portable Instruments
ppb RAE
SUMMA Canister
Multi-gas
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U.S. EPA Rapid Assessment Tool (RAT)
These monitors sample continuously for VOCs and H2S and instantly map results
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RSL
N
All levels
of
VOC & H2S
< 1ppm
RAT Results
Latest route
3/5/10
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Fixed Station
Located in low-lying area in a predominantly downwind area of Phase V
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Fixed Station
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Air Summary
All air sampling results to date are below regulatory & health-based levels for targeted air pollutants
A new fixed monitoring station is taking 24-hour samples every 6 days
DAPC is looking at data in coordination with HCPH
Data is available on website
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Odor Complaints Direct to Rumpke and/or Hamilton County DOES
Phone (24 hours) Web (online form)
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Next Steps
Contain & control strategy Action plan Monitoring
Communication Website, fact sheets, updates
Coordination Team Rumpke
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Contingency Plan – Isolation Break
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