Technical support document for water quality-based toxics control
By: United States Environmental Protection Agency, Office of Water.
Contributors: United States. Environmental Protection Agency. Office of Water.; United States. Environmental Protection Agency. Office of Water Enforcement and Permits.; United States. Environmental Protection Agency. Office of Water Regulations and Standards.
Publisher: Office of Water Enforcement and Permits; Office of Water Regulations and Standards, U.S. Environmental Protection Agency
Published: 1991
Place of publication: Washington, DC
Language: eng
Subjects: Water -- Toxicology -- United States.
Notes: Shipping list no.: 92-1233-M.

"March 1991."

"EPA/505/2-90-001"--Cover.

"PB91-127415"--Cover.

"EN-336"--Cover.

Includes bibliographical references.

Microfiche. Washington, D.C. : U.S. G.P.O., 1992. 4 microfiches : negative ; 11 x 15 cm.

s 1992 dcu n b.