Document 71g88kVKGq5jgGjeJJZbN9Bq8

AR 286 - 0766 NITRIFICATION INHIBITION IESTSUBSTANCE Identity: MreifxetrurreedctoontaasinPiFnOgSp,erFfCl-u9o5ro,oocrtaansesauicfoomnpatoen,ewnhtiocfhFmCa-y20a3lsCoF-beX or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3). Remarks: 203CF-X. CurTrheent3iMnfporromdautcitoinoinndloitcantuemsbiteirs was 501. a mixture The test sample is of 1% PFOS, 20% FC- dsioedtihuymleoncetygllyscuollfamtoe,no1b%uttyrlieetthhaenrc,l7am0i.n2e%, w2a%tesru,l2fo.n7a5t%edAcarlykyllicetfhoearmesra,lts3,%and 0.05% tolyltriazole. The following summary applies to a mixture with incompletely crehfalreaccttienrhiizbeitdicoonnbcyentthreaftliuoonrsoocfhiemmpiucrailticeos.mpDoanteanmtaoyf tnhoettaecsctusraamtpelley. METHOD TMeestthotdyp:e:NiMtircorosbeieadlTMi-nShiTbiTtoixoincity Test GYeLaPr: CNomopleted: 1995 Analytical monitoring: Oxidation of ammonia, pH and temperature. TSteasttisotricgaalnmiestmhsoodusr:ceN:otPogilvyebna.c Corporation, Bethlehem, PA. Recsived 8/2/95. NitroseedTM Lot G315. Test condition: DMieldutiiuomn wsaotleurt:ionMsi:lliPpoerre mMeitlhlo-dQ.TM (wpaHte7r-0 Biochemical Buffer and ATemsmtosnoilautsioolnutpironep1a.r0atmiLone:quTiveasltesnutbtsot1a0n.c0emwgasNHasd-dNe/dL)d.irectly to test veTsessetlvse.ssels: 500 mL glass Erenmeyerflasks with a total test volume - oNfu2m5b0emrLo.f concentrations: four and blank control Temperature: 20.1-21.2C Total suspended solids and pH on dayof testing: Initial TSS 1.153 g/L. Initial and final pH based on the blank control was 7.9 for both time periods. _. Element Basis: Reduction in nitrification at pH 7.8. RESOTS Nominal concentrations: Blank control, 83, 116, 252, and 498 mg/L 001294 Element values: 4-hour ECso = >498 mg/L Element values based on nominal concentrations. Remarks: Substance Testing was conducted on Remarks field. The values the mixture as reported apply described in the Test to that mixture and not the fluorochemical proportion alone. CONClUsiONs Tmgh/eLt,etsthesuhbigshteasntceco4n-cheonutrraEtiCosn tfeorstNedi.trTohsiesecdoTMn-cSeTntTroaxticiiotnycTaeusstewdaas1>94%98 reduction in nitrification after four hoursof exposure. Submitter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133 pATAQUALTY Reliability: Kiimisch However, the sample ranking 2. purity was Testing meets all criteria for quality testing. not properly characterized and the study lacks analytical confirmationofthe amountoffluorochermical proportion in the solution. REFERENCES This study was conducted by the 3M Environmental Laboratory, St Paul, MN, Lab Request number N2977, 1995. oWHER Last changed: 6/28/00 001295 `Sample Description FLee) 2536013F-x Niresea1t- Teas lec EnvronmentalLab -- Worksheet T-est Saelotns C>iotalion Lab aquest No. NL24127 729% - + == out: &JAL/AS anayst: Soilfd Bef Seluege STi 2T-4n Brcha amial Busta iosoBueteglognsremeeti--suese. oc: 131.1 boyy Jszoml Tol pila (04; edge pHULS ab Loy lick FRA Sat 950 my4 pal Jicam rt tem Leds tomer [60mga) Lika [4 TTcaainin ReedA salen. nasse belete 1/9Try teermCemI----E ---- Tar er i Seles.to GALE AML by ARES ee i le males enfltove on Roller SrtA fed Rv mh uta mtMando foi de 0. S50 ga. Aes Lf Simms ore) Met. 2%. Ld ----y 2524 dh eee ~ 198 as MeN BEST COPY AVAILABLE 001296 BEST COPY AVAILABLE ENVIRONMENTAL LABORATORY Nl nces.eal 460NITRIFICATION INHIBITIONTESTING (150/015 9509) RAW DATA w MAY77 onte RJ24uC analyst Endl poof A rest supstance,LC-203fx 0 READINGS IN TEST SOLUTIONS AT EXPOSURE TIMES = GKIDAOFTAFIIFOONNIA . TESTSURSTAGE OFS (CONCENTRATION| Ni. Temp. myn LE EAPOSURE TINE - HOURS TS TRE [ry Ng Temp. Nz Temp. | NH3 Temp. mL pH C mpl BH C mL pH oC PY PR BUNKOONTKOL| 133 704 3p JI 2P.T wlI o I s 24 ae coogipsalms so wd | lus vaeo) 00129' EVVIROMENTAL LABORATORY w_NNRRAA oate_s Jay [32 : NITROSEEDADTRA-STRETDOUXCITCIIONTY TEST APaAcLeyS3Toff AB rest sussTavcEs pi, 13 CE ty 8 cia art! iy 92Hoans mart a 1, 0Los = ality 01 oun 31. 7.8 1) TEST SUBSTANCE COMENTRATIONS, g/t cBolmaenrk] 83 | ML|I,252] 132 | g2e[sa[isi w4et4g ise [iaTy[eal we Ls[uas| 8 ofafb] -- (1) (0) RPeefrecren2to LAomsmsonoifaKiPtronbdegiCcaatsiibornat|io3n0C)ur:ve. sult po (Wa eHm H/7 Hol ouwn ((TC) eosn2d)rot ne phere:`SSubbasccnE ipt 1T.8 8ddseEslgTnatesiththehepepiH ooffttxhhpeeostieisntte..0 the ninlfions. egy (958 Congldencetints) 2 118mg IL wo_______<_7_ BEST COPY AVAILABLE 0012 . EWIRMENTAL oLxBOATOR '_N Nn 229379177 imasvesa-sT TwoT oTEyST MoatAe_sSjAaTrR]iSs ATA REDUCTION + med off TEST SUBSTANCE: FC A03CFE-X ty 0dnitistmot! oitty 004 HHoouunnss mg/L mL tpeugoprt1 o1un malt stant | TEST SUBSTANCE CORCEITRATIOS, 53/L: | controt | 23 I 12 Proof 252 f| i4e48 ] -| so 5 |Fsoir TsorsL|isbeTbia]t | tra lis "Am [1=g0Ssl1u5.05 rian] ln | 1) Regen 20 Ammonia Probe Catibration Curve. (2) Poacent Loss of endgication | 3 U4 15 volte [fe n wWihgo 11 Hfoouwnu((TCeNosnt)tr]a , 0 HESSuubbsuoonpntdintt17.:1.888ddeedlsedsesltgerastss$ehheeBpeH ooff htxhpeeostietessnt.tc. to the nitnlfions Ec (95% Conpidence Units) YHA mad wo. BEST COPY AVAILABLE 001299