Water pollution [electronic resource] : poor quality assurance and limited pollutant coverage undermine EPA's control of toxic substances : report to the chairman, Subcommittee on Superfund, Ocean, and Water Protection, Committee on Environment and Public Works, U.S. Senate.
Imprint
Washington, D.C. (441 G St., NW, Rm. LM, Washington 20548) : U.S. General Accounting Office, [1994]
