Document D1jb9wgD0bLeVQRVv9k3pZzB

AR 236 0873 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuoimfponoanteen,twohficFhC-m3a01y7.also(1-be Octanesulfonic acid) (CAS# 2795-39-3). Remarks: is FC-3017. CTuhrere3ntMipnrfoodrumcattiioonn ilontdincuamtebserFCw-a3s01n7otisnoatemdi.xtuTrheeotefst0s.6a7m%ple P1F.3O3S%, H2y0d%rodxiyetfhoyalmeenre,gl1y%coslobduityulmeotchteyrl,s5u5lf.a4te1,%0w.a5te%r,po2l1yo%xyeetthhyylleenneeglycol, `monooctylphenyl ether, 0.04% sodium lauryl sulfate, and 0.05% tolyltraizole. cThhaerafcotlelroiwiznegdscounmcmeantrryataipopnlsioefs tiompaurmiitxiteusr.e Dwaittha imnacyomnpoltetaeclcyurately reflect toxicity of the fluorochemical componentofthe test sample. METHOD Method: OECD Guideline 209 GLP: No Year Completed: 1995 Analytical monitoring: temperature. Dissolved oxygen concentrations, pH and Statistical inhibition in methods: respiration Results rate. were determined by calculation of the % MTeetsrtooWragsatneiwsamtesrouTrrceea:tmAecnttivPaltanetd,sSltu.dPgaeuml,ixMeNd.liquor collected from the Test condition: DSiylnutthieotniwcasteewra:geMi:llippeorreOMEiClDi-mQeTMtwhaotder Rreeffeerreenncecesuabnsdtatnecset,s3o,l5u-tdiiocnhlporreoppahernaotli,onw:asApsrteopcakrseodlubtyiodnisosfotlhveing w5a0t0erm,gthienn1b0rmoLug1hNt tNoatOhHe,pdilouotfeidintconip3i0etmntLpwrietchipMiitlaltiipoonrewiMtihl1iN-QHTM;SO4 and was diluted to 1Lwith Mill-QTM measured to be 7.7. Test water. The pH substance was of the added reference solution directly to the test vessels. TNeusmtbveerssoeflsc:oncNeonttgriavteino.ns: one plus blank control, in duplicate . Temperature: 18.9206 C Total suspended solids and pH on dayoftesting: final: 1.5 g/L), initial pH 6.4 and final pH 7.1 3.8 g/L (TSSin ~ Element Basis: Respiration inhibition as determined by oxygen cRoenmsaurmkpsti:oVna.lues corrected to 20C for calculations. 002806 RESULTS -------- cNoonmcienntarlatcioonncefonrtrraefteiroennsc:e 2 Blank controls, 1000 mg/L substance, all in duplicate. plus 10 mg/L Element values: 30-minute EC50 = >1000 mg/L 3-hour EC50 = >1000 mg/L. Element values based on nominal concentrations. SRuebmsatraknsc:e TReesmtianrgkwsafsielcdo. nTduhcetveadluoenstrheepmoirxtteudraepapslydteosctrhiabtemdixitnutrheeaTnedstnot the fluorochemical proportion alone. CONCLUSIONS dTehteertemsitnesdubtsotbanec>e130-0h0oumrg/ELC,sothfeorhaicgthievsattecdonscleundtgraetrieosnpitreasttieodn. inhibition was Submitter: 3M Paul, Minnesota, C5o5m1p3a3ny, Environmental Laboratory, P.O. Box 33331, St. DATA QUALITY tReesltiianbg.ilitHyo:weKvieirm,istchhersaanmkipnlge=pu2r.itTyhwiassstnuodtypmreopeetrslythcehacrraitcetreiraifzoerdquaanldittyhe study lacks in solution. analytical confirmationofthe amount of fluorochemical proportion EFERENCES STth.isPasutlu,dyMNw,asLacbonRdeuqcuteesdtbnyutmhbee3rMN3C1o8m8p,an19y9,5.Environmental Laboratory, owweR ~~ Last changed: 6/26/00 OOO 002807 BEST COPY AVAILABLE ae ee ginhs Ee Li i. > ln 3/55 ; ENVRONMENTAL LABORATORY hOuaivo i27/257 odps S % ai 2 ACTIVATED SLUDGE MIXED LIQUOR PagSeah of 7. 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