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001 ocm54908981;

003 OCoLC;

005 20141208180548.0;

006 m d f ;

008 040408s1991 dcu sb f101 0 eng d;

035 a| (Sirsi) o54908981;

035 a| (OCoLC)54908981;

040 a| GPOc| GPOd| MvId| UtOrBLW;

049 a| ERE#;

074 a| 0473-A-01 (online);

086 0 a| EP 2.2:2004014969;

088 a| EPA-440/5-91-005;

245 00 a| Biological criteria :b| research and regulation.;

246 1 i| At head of title:a| Proceedings of symposium;

260 a| [Washington, D.C.] :b| United States Environmental Protection Agency, Office of Water,c| 1991.;

336 a| text2| rdacontent;

337 a| computer2| rdamedia;

338 a| unspecified2| rdacarrier;

500 a| Title from title screen (viewed on Apr. 7, 2004).;

500 a| "December 12-13, 1990, Hyatt Regency Crystal City, Arlington, Virginia.";

500 a| "July 1991.";

500 a| "EPA-440/5-91-005.";

504 a| Includes bibliographical references and index.;

538 a| Mode of access: Internet from the EPA web site. Address as of 4/7/2004: http://www.epa.gov/bioindicators/html/biocrit%5Fsymp91.html; current access available via PURL.;

650 0 a| Ecological risk assessmentz| United Statesv| Congresses.=| ^A293316;

650 0 a| Water quality biological assessmentz| United Statesv| Congresses.=| ^A361401;

710 1 a| United States.b| Environmental Protection Agency.=| ^A635146;

856 40 u| https://purl.fdlp.gov/GPO/LPS45004;

998 a| 959056;

998 a| u959056;

596 a| 1;

999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| MQ1693122d| 8/7/2007l| JNETm| JOYNERr| Ys| Yt| JNE1DOu| 5/12/2004x| EDOCUMENTz| JERESOURCEo| .STAFF. 0;

Biological criteria : research and regulation.

Other author	United States. Environmental Protection Agency.
Format	Electronic
Publication Info	[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, 1991.
Supplemental Content	https://purl.fdlp.gov/GPO/LPS45004
Subjects	Ecological risk assessment--United States. --Congresses. Water quality biological assessment--United States. --Congresses.

Variant title	At head of title: Proceedings of symposium
General note	Title from title screen (viewed on Apr. 7, 2004).
General note	"December 12-13, 1990, Hyatt Regency Crystal City, Arlington, Virginia."
General note	"July 1991."
General note	"EPA-440/5-91-005."
Bibliography note	Includes bibliographical references and index.
Technical details	Mode of access: Internet from the EPA web site. Address as of 4/7/2004: http://www.epa.gov/bioindicators/html/biocrit%5Fsymp91.html; current access available via PURL.
Technical rpt number	EPA-440/5-91-005
GPO item number	0473-A-01 (online)
Govt. docs number	EP 2.2:2004014969

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Biological criteria : research and regulation.

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