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Main Title

Interim guidance on determination and use of water-effect ratios for metals /

Author

Stephan, C. E. ; Peltier, W. H. ; Hansen, D. J. ; Delos, C. G. ; Chapman, G. A.

Other Authors

Author	Title of a Work
Stephan, Charles E.

CORP Author

Environmental Protection Agency, Washington, DC. Office of Water.

Publisher

U.S. Environmental Protection Agency, Office of Science and Technology ; Office of Research and Development, Environmental Research Laboratories,

Year Published

1994

Report Number

EPA 823-B-94-001

Stock Number

PB94-140951

OCLC Number

30264393

Subjects

Water--Pollution ; Trace elements in water ; Metals--Environmental aspects

Additional Subjects

Water pollution effects(Animals) ; Heavy metals ; Toxic substances ; Water pollution standards ; Toxicity ; Water pollution sampling ; Site surveys ; Water chemistry ; Physical properties ; Chemical properties ; Aquatic biology ; Biological indicators ; Stream flow ; Water quality criteria ; Water effect ratios ; Maximum contaminant level

Internet Access

Description	Access URL
	https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=20003QI5.PDF

Holdings

Library	Call Number	Additional Info	Location	Last Modified
EHAM	EPA/823/B-94-001		Region 1 Library/Boston,MA	09/24/2004
EJBD	EPA 823-B-94-001		Headquarters Library/Washington,DC	02/06/2020
EKCD	EPA-823-B-94-001		CEMM/GEMMD Library/Gulf Breeze,FL	11/27/2018
ELBD ARCHIVE	EPA 823-B-94-001	Received from HQ	AWBERC Library/Cincinnati,OH	10/04/2023
ELDD	EPA-823-B-94-001		CCTE/GLTED Library/Duluth,MN	06/11/2009
EMBD	EPA/823/B-94/001		NRMRL/GWERD Library/Ada,OK	07/19/1996
ERAD	EPA-823-B-94-001		Region 9 Library/San Francisco,CA	02/08/2002
ESAD	EPA 823-B-94-001		Region 10 Library/Seattle,WA	10/29/2004
NTIS	PB94-140951	Some EPA libraries have a fiche copy filed under the call number shown.		07/26/2022

Collation

xviii, 154 pages ; 28 cm

Abstract

When a site-specific aquatic life criterion is derived for a metal, an adjustment procedure based on the toxicological determination of a water-effect ratio (WER) may be used to account for a difference between the toxicity of the metal in laboratory dilution water and its toxicity in the water at the site. The guidance contained herein replaces previous agency guidance concerning (1) the determination of WERs for use in the derivation of site-specific aquatic life criteria for metals and (2) the Recalculation Procedure. The guidance is designed to apply to metals, but the principles apply to most pollutants.

Notes

"February 1994." "EPA 823-B-94-001"--Cover Includes bibliographical references.

Place Published

Washington, D.C. Narragansett, R.I.

Supplementary Notes