Ambient water quality criteria for chlorinated benzenes /

Mode of access: Internet.

Ambient water quality criteria for chromium /

Mode of access: Internet.

Ambient water quality criteria for heptachlor /

Mode of access: Internet.

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."

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."

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.

Our air, our land, our water : environmental quality in the Great Lakes Basin /

"September 1988"--P. 3.

Falls Lake water-quality study : hydraulic laboratory investigation /

Bibliography: p. 23.