Inquiry (采购产品): carbon filtration We are a US EPA contractor currently working in Canton, Ohio. I need to talk to someone about carbon filtration/treatment. We have approximately 20,000 gallons of water contained in a pit with up to 50 ppm PCB. If someone could contact me at 330-458-0138. Thank you. **** Hidden Message ***** Scott Soden 44705 Company: WRScompass E-mail: ssoden@wrscompass.com **** Hidden Message ***** ssoden@wrscompass.com