Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title 1999 Update of ambient water quality criteria for ammonia.
CORP Author Environmental Protection Agency, Washington, DC. Office of Water.
Publisher U.S. Environmental Protection Agency, Office of Water,
Year Published 1999
Report Number EPA 822-R-99-014
Stock Number PB2005-109112
OCLC Number 43361955
Subjects Water quality--Standards--United States. ; Ammonia--Environmental aspects--United States.
Additional Subjects Ammonia ; Water pollution ; Estuaries ; Exposure ; Standards ; Toxicity ; Aquatic animals ; Aquatic plants ; Water pollution effects(Animals) ; Water pollution effects(Plants) ; Clean Water Act ; Ecosystems ; Toxic substances
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EHAD  EPA/822-R-99-014 Region 1 Library/Boston,MA 01/26/2001
EJBD ARCHIVE EPA 822-R-99-014 Headquarters Library/Washington,DC 01/06/2014
EJED  EPA 822/R-99-014 OCSPP Chemical Library/Washington,DC 09/22/2000
EKCR  EPA-822-R-99-014 CEMM/GEMMD Library/Gulf Breeze,FL 05/28/2013
ELBD  EPA 822-R-99-014 AWBERC Library/Cincinnati,OH 02/11/2000
ERAD  EPA 822/R-99-014 Region 9 Library/San Francisco,CA 06/30/2000
ESAD  EPA-822-R-99-014 2 copies Region 10 Library/Seattle,WA 06/03/2016
NTIS  PB2005-109112 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 07/12/2006
Collation vi, 147 p. : ill. ; 28 cm.
This 1999 Update first presents an overview of ammonia toxicology in order to provide the background needed to explain the revisions of the freshwater ammonia criterion. Then the equations used in the older documents to address the temperature- and pHdependence of ammonia toxicity in fresh water are revised to take into account newer data, better models, and improved statistical methods. Next, a CMC (acute criterion) is derived from the acute toxicity data in the 1984/1985 criteria document, pH-normalized using the new equations. Then, new and old chronic toxicity data are evaluated and used to derive a CCC (chronic criterion). Lastly, the chronic averaging period is addressed.
"EPA 822-R-99-014." "December 1999." "Supercedes 1998 Update." Includes bibliographical references (p. 89-100). Includes appendixes (p. 101-147).