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The Environmental Protection Agency’s (EPA’s) analysis indicates that the DuPont risk assessment does not contain adequate information to determine that the aquatic ecologic risk from the discharge of treated CVXH to the Delaware River is acceptable. Further, the EPA expressed concerns that the 20 ppb clearance criterion for VX in CVXH is based “solely on the protection of humans from a drinking water source and may not be protective of aquatic organisms through ingestion or dermal exposure.”
Consequently, CDC cannot recommend proceeding with the treatment and disposal at the DuPont SET facility until EPA’s noted deficiencies are addressed
Wow, I just happen to come across something relevant that shocked me recently, apparently they are still dumping a variety of things, or at least it is not unheard of.