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.

Non-point water quality modeling in wildland management : a state-of-the-art assessment /

Issued April, July 1977.

An Issues/options paper for comprehensive water quality standards for groundwater /

"December 1988."--Cover.

Biological and water quality survey of three tributaries to the Sangamon River : South Fork basin, Mosquito Creek and Long Point Slough, September thru November, 1989 : Staff Report /

"May 1991."

Currents from the Illinois State Water Survey.

Title from caption.

Illinois water quality report.

Latest issue consulted: 2002.

Report on long-term financial support of water quality testing /

"November 02, 1992."--Cover.

Strategy for water quality standards review /

Mode of access: Internet.

The Economic analysis of proposed site specific changes to water quality regulations affecting Borden Chemical Company /

"ILENR/RE-EA-89/07."

Ion selective electrodes in water quality analysis /

Mode of access: Internet.

Regulatory water quality monitoring networks : statistical and economic considerations /

Mode of access: Internet.

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

Mode of access: Internet.

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."

Parameters of water quality,

Cover title.