Ambient water quality criteria for hexachlorocyclopentadiene /

Mode of access: Internet.

Ambient water quality criteria for isophorone /

Mode of access: Internet.

Ambient water quality criteria for polynuclear aromatic hydrocarbons /

Mode of access: Internet.

Ambient water quality criteria for halomethanes /

"October 1980"--Cover.

Ambient water quality criteria for mercury /

Mode of access: Internet.

Workshop on verification of water quality models /

"Contract no. 68-01-3872."

Water quality and biological effects of urban runoff on Coyote Creek : phase I, preliminary survey /

Mode of access: Internet.

User's manual for EXPLORE-I : a river basin water quality model (hydraulic module only) /

Mode of access: Internet.

Delivering timely water quality information to your community : the lake access--Minneapolis project /

"EPA/625/R-00/013."

Water-quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland : sources, characteristics, anaylsis, and limitations of nutrient and suspended-seditment data, 1975-90 /

"National Water-Quality Assessment Program"

Water-quality and physical characteristics of streams in the Treyburn Development area of Falls Lake watershed, North Carolina, 1994-98 /

Includes bibliographical references (p. 53-55).

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.