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Fields Brook Site is an NPL site where PCB contamination was found in September 2007 during the routine O&M work on site. The re-contamination or historical (residual) contamination has impacted the stream bed and was threatening Ashtabula River. An emergency response in September 2007 prevented furthur migration . Containment and removal is now being conducted by Millennium Inorganic Chemicals Company under an UAO from EPA Region 5.An interceptor trench has been installed along the northern fence line of the property where contamination was observed. Delineation of extent of contamination and removal are ongoing.
Under the UAO Millennium Inorganic Chemicals Company :
Has completed installation of intercepter trenches.
Contaminated water is routinely pumped into frac tanks and treated on site before discharge.
Stream has been diverted temporarily .
Contractors for Millennium, Demaximus , Inc and SunPro have completed geo-probe investigation to determine vertical and horizontal extent of contamination in the historic EU8 area (stream bed and flood plane).
Excavation and landfill disposal of contaminated soils and sediments is ongoing.
Continue removal and disposal of contaminated soil and sediment.
Continue a monitoring program for interceptor trenches.
Backfill and restore the stream bed after completion of excavation activities.
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