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RECORD NUMBER: 165 OF 2301

OLS Field Name OLS Field Data
Main Title An index of refractory organics /
Author Helfgott, T. B. ; Hart, F. L. ; Bedard., R. G.
Other Authors
Author Title of a Work
Hart, F. L.,
Bedard, R. G.,
CORP Author Connecticut Univ., Storrs. Environmental Engineering Program.;Robert S. Kerr Environmental Research Lab., Ada, Okla. Source Management Branch.
Publisher Environmental Protection Agency, Office of Research and Development, Robert S. Kerr Environmental Research Laboratory ; For sale by the National Technical Information Service,
Year Published 1977
Report Number EPA-600/2-77-174; EPA-R-803231-01-05
Stock Number PB-272 438
OCLC Number 03385122
ISBN pbk.
Subjects Organic wastes. ; Refractory materials--Analysis.
Additional Subjects Refractory materials ; Organic compounds ; Refractivity ; Water pollution ; Biochemical oxygen demand ; Industrial wastes ; Sewage treatment ; Water analysis ; Chemical analysis ; Materials recovery ; Numerical analysis ; Graphic methods ; Water pollution detection ; Biological industrial waste treatment
Internet Access
Description Access URL
http://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=9101XFV2.PDF
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
EJAD  EPA 600/2-77-174 Region 3 Library/Philadelphia, PA 06/02/2000
EJBD ARCHIVE EPA 600-2-77-174 Headquarters Library/Washington,DC 02/28/2011
EJBD  EPA 600-2-77-174 c.1 Headquarters Library/Washington,DC 02/27/2014
EKAM  EPA 600/2-77/174 Region 4 Library/Atlanta,GA 09/25/1998
ELBD  EPA 600-2-77-174 AWBERC Library/Cincinnati,OH 04/10/1998
EMBD  EPA/600/2-77/174 GWERD Library/Ada,OK 02/17/1995
ESAD  EPA 600-2-77-174 Region 10 Library/Seattle,WA 03/23/2010
NTIS  PB-272 438 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 01/01/1988
Collation ix, 131 pages : illustrations ; 28 cm.
Abstract Refractory waterborne organics resist biodegradation, accumulate in the environment and can inhibit life forms. This research develops laboratory techniques for, and interpretations of, a Refractory Index (R.I.) to quantitatively assess the persistency of refractory organics and uses R.I. to evaluate some 38 industrial, natural and combined organics. R.I. values close to 1.0 characterize readily biodegradation; R.I. values near zero indicate refractory organics; negative R.I. values indicate inhibitors. The coefficient of variation for R.I. values is 13%. Since negative R.I. values are of qualitative significance only, a Biological Inhibition Value (B.I.V.) is developed and used to quantitatively assess those organics found to interfere with the biochemical tests used, long-term ultimate Warburg Respirometer determinations. In a few cases, confirmation of the R.I. interpretation was performed using a model activated sludge unit and by specific analysis. Correlations between oxygen demand tests (BOD5, BODu, TOD) and organic parameters (TOC, TN) are presented. Suggestions for required pretreatments of industrial wastewaters before allowing discharge into municipal sewage treatment plants are included as an application of the Refractory Index criterion. The bibliography contains 49 references.
Notes Prepared by Environmental Engineering Program, Civil Engineering Department, University of Connecticut, Storrs, Conn., under grant no. R803231-01-05. Includes appendix. Issued August 1977. Includes bibliographical references (pages 40-44).
Place Published Ada, Okla. Springfield, Va.
Corporate Au Added Ent Robert S. Kerr Environmental Research Laboratory.; University of Connecticut. Department of Civil Engineering. Environmental Engineering Program.
Corp Au Ser Add Ent United States. Environmental Protection Agency. Environmental protection technology series ; EPA-600/2-77-174.
PUB Date Free Form 1977
Series Title Untraced Environmental Protection Technology Series ; EPA-600/2-77-174
NTIS Prices PC A07/MF A01
BIB Level m
Medium unmediated
Content text
Carrier volume
Cataloging Source OCLC/T
OCLC Time Stamp 20150506134517
Language eng
SUDOCS Number EP 1.23/2:600/2-77-174
Origin OCLC
Type MERGE
OCLC Rec Leader 02112cam 2200469Ii 45020