Document rB1mperZeD872yGjbdZddwq8e
AR 226. 0799
MICROBIAL INHIBITION (DEHYDROGENASE ACTIVITY)
TESTSUBSTANCE Identity: ArefmeirxrteudretocaosntPaiFnOiSng, pFeCr-f9l5u,orooroactsaanecsoifmopnoanteen,twohficFhC-m2a0y6Aa.lso(1b-e
Octanesulfonic acid) (CAS # 2795-39-3).
Remarks: The 3M production lot number was cc 785-22. The fest sample is FC-206A. Current information indicates it is a mixture of 0.92% PFOS, 11.87.57%5%sodideituhmyloecnteylglsuylcfoalteb,ut1yl.2et%hepro,lo7x5y.e4th4y%lweanteerm,on1o.o8ct3y%lHpyhdenryolxyetfhoearm,er,
0.06% sodium lauryl sulfate, and 0.05% benzotriazole..
The following summary applies to a mixture with incompletely crehfalreacctttehreizteoxdiccoitnycoefntthraetifolnuosorofchimepmuirciatliecso. mDpaotnaemntaoyftnhoet atcecsutrsaatmeplyle.
M0 ETHO0 D: 00000000000
MGeLtPh:odN:o TTC. Yearcompleted: 1979 Analytical monitoring: Amountof formazan formed (as determined with a sStpaetcitsrtoicpahlotmoemtehtoedrsm:eaGsruarpihnegd%thteramnesamistutranecde)%. transmittance. TWeasstteowragtaenriTsrmeastomuerncte:PlAacnttiv(aPtieg'dssElyudegPelamnitx),edSt.liqPuaourl,frMoNm.the Metropolitan Test condition:
Dilution water: Deionized water Synthetic sewage: Nutrient broth (0.1 /100 mL mixed liquor) added
approximately 1-hour prior to start of test. The mixed liquor was kept aerated prior to the test.
Sprteopcakraedndbytedsitsssoollvuitngio2n2pgroefptaerasttimoant:erAialprtioma1r0y0 smtLocwkistohludteiioonniwzaesd
w1a0t0erm.LTdheeiosntiozcekdswoaltuetri)ontowapsretphaerne dDiilluutteidon(1#1m.LDoiflusttioocnk#s2olwuatsion to
Tprheepsaeresdolbutyiaondsdiwnegre1
musLedoftDoiplurteipoanr#e1thteo
100 test
mcoLncdeenitornaitzieondsw.ater.
Tost vessels: Not given.
Number of concentrations: five plus 2 blank controls
Incubation Temperature: 37 + 1C
ETolteamlesnutsBpaesnisd:edMiscorloibdisalodnedhayydorfotgeesntaisneg:acti1v0i.t6y
g/L (TSS). by formation
of
formazan.
Incubation time: 15-minutes.
001622
RESULTS
Nominal concentrations: Blank control, 10, 100, 1,000, 10,000, and
100,000 mg/L.
Element values: Not given.
Conclusions
00000000000
Nproepcaorncelduisnioonrdsegrivteond.etNeormtirniephmeonyllefsoromfazTaFn p(rTFo)duscteadndianrtdhecutrevste swoalustions, therefore, a plot of percent inhibition vs. log concentrations was not
constructed to determine the EC50 value based on dehydrogenase activity.
Submitter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133
Dm ATAQm UALITm Y. mmmm--------
Reliability: Kiimisch ranking 3. Study lacks description and recordsofthe method followed. The inoculum is not properly characterized. There is no cchoanrfaicrtmeartiizoantioofntohfetahmeotuensttosfufblsutoarnoccehepmuriictaylapnrdoptohretisotnudiyn tlhaeckssolauntailoyntsi.cal
REFERENCES
`The studies were conducted by the 3M Company, Environmental Laboratory, Lab Request Number 4970S, 1978.
OTHER
Last changed: 6/26/00
001623
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SAMPLE DESCRIPTION
EC -206A
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ENVIRONMENTAL ENGR. LAB -- WORK SHEET
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ENVIRONMENTAL ENGR. LAB --WORKSHEET
`SAMPLE DESCRIPTION
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ENVIRONMENTAL ENGR. LAB -- WORK SHEET
SAFMPeL-E 2DE0ScCR4IPTION et 785-22
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