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1
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2
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- Thomas Skinner is New Region 5 Regional Administrator
- Former Head of Illinois EPA
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3
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- IDEM Awards Earth Tech ICS Plant Operation
- Both Storage Tanks Operational
- Tank 1 Operational on 6/04/01
- Tank 2 Operational on 6/28/01
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4
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- Improvements to Measuring ICS Parameters
- Data From ICS Recorded at Plant
- Air Monitoring Devices Installed & July 4 Sampling
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5
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- Rain Event on May 17 - 19, 2001 at 400 gpm
- Rain Event June 4, 2001 at 1,900 gpm and 510 ppb PCB
- Rain Event July 4, 2001 at 1,400 gpm.
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6
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7
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8
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- Water Stored in Tank 1 During June Storm
- Tank 2 was not Operational During June 4 Storm - Bypass Occurred
- July 4, 2001 Storm both Tanks Used – No Bypass
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9
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- Start of Storm - 100 ppb PCBs
- Storm Peak - 300 ppb (Viacom – 510 ppb)
- Storage Tank 1 - 250 ppb PCBs
- Overflow from Tank 1 - 5.5 ppb
- As Designed, Storage Tank Acting as Passive Clarifier
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10
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- Approved Lemon Lane Cap Maintenance & Inspection Plan
- Viacom Developing the Long-Term Groundwater Monitoring Plan
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11
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- Pump Testing of Discrete Wells at the Periphery of the Landfill
- Continuation of the Karst Conduit Investigation
- Possible Pump Test & Dye Trace
- Monitoring of Piezometers Installed During Remediation
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12
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13
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- Quarry Springs Flow and PCB Investigation
- Illinois Central Spring Treatment Plant Influent and Effluent Monitoring
- Illinois Central Spring Storm Event Monitoring
- Discussing Cleanup of Swallow Hole Area
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14
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15
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- Disagreement on Long-Term Groundwater Monitoring Plan
- Monitoring Well Sampling Along Clear Creek in July 2001
- Spring Sampling Along Clear Creek, and Abandoned Lagoon Spring
- Long-Term Monitoring of Wells Based on Initial Sample Analytical Results
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16
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- Storm Water Flow Measurement and Sampling at U.S. Geological Survey
Gaging Stations
- Continuous Flow Measurements and PCB Sampling (June 4, 2001 Storm &
Rising Limb of July 4, 2001 Storm)
- Viacom Storm Water Sampling at their Conard’s Branch Gage
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17
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- Viacom/IU Particle Size Study for One Storm Event (> 4000 gpm)
- Reviewing Viacom’s Long-Term Groundwater Monitoring Plan
- U.S. EPA Preparing Historical Water Record at Neal’s Landfill
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18
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- Monitoring of Piezometers and Comparison to Storm Event Data
- Fish Sampling Funded by U.S. EPA at Conard’s Branch and Richland Creek
by U.S. EPA/FWS/IDEM – Week of August 6, 2001
- Five Stations (1 in Conard’s Branch and 4 in Richland Creek)
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19
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- Based on NAS Study – Some Congener Analysis
- Sediment and Water Sampling at Conard’s Branch and Richland Creek by
U.S. EPA
- U.S. EPA Fields Group Involved
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20
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- South Spring
- North Spring
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21
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22
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23
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- Continuous Monitoring of Middle and Mound Springs
- Monitoring of Staff Level Gages at Ice Box and Wedge Quarries and
Stout’s Creek
- Installation and Monitoring of Piezometers in the H-7 Area
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24
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- Water Quality Monitoring in Wells 5, 6I, and 6D
- Water Quality Monitoring in Stout’s Creek (Upstream, Downstream, and
West Branch)
- Water, Sediment, and Fish Tissue Sampling in Stout’s Creek
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25
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26
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27
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28
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29
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30
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31
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32
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33
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34
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35
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36
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