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.