Ground water quality [microform] : hearings before the Subcommittee on Department Operations, Research, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, One Hundredth Congress, first session on H.R. 791, July 28, and September 16, 1987.

"Serial no. 100-49."

Review of ground water quality concerns [microform] : hearings before the Subcommittee on Department Operations, Research, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, One Hundredth Congress, first and second sessions, October 12, 1987, Humboldt, IA; October 27 and December 9, 1987; March 29 and May 24, 1988.

"Serial no. 100-95."

Oversight of U.S. progress under the Great Lakes Water Quality Agreement : hearing before the Subcommittee on Oversight of Government Management of the Committee on Governmental Affairs, United States Senate, One Hundred First Congress, second session, June 13, 1990.

Shipping list no.: 90-646-P.

Water quality management five year strategy, fy 81-baseline.

Jan. 1980.

Falls Lake water-quality study : hydraulic laboratory investigation /

Bibliography: p. 23.

Ambient water quality criteria for thallium /

Mode of access: Internet.

Ambient water quality criteria for tetrachloroethylene /

Mode of access: Internet.

Ambient water quality criteria for naphthalene /

Mode of access: Internet.

Water quality effects related to blending waters in distribution systems /

Mode of access: Internet.

Ambient Water Quality Criteria for endrin /

Mode of access: Internet.

Ambient water quality criteria for chlordane /

Mode of access: Internet.

Ambient water quality criteria for cadmium /

Mode of access: Internet.

Ambient water quality criteria for chlorinated ethanes /

Mode of access: Internet.

Ambient water quality criteria for nitrosamines /

Mode of access: Internet.

Ambient water quality criteria for zinc /

Mode of access: Internet.