Document jy7knpOMJrBrdaReJLwEMdMB5

DownloadRandom document
AR 26-0537 TOXICITY TO AQUATIC PLANTS (E.G., ALGAE) TT ESTE SUBSs TANCT E Sue0s 0y 00 ANCE Identity: Perfluorooctylsulfonate, didecyldimethylammonium salt; may also be referred to as Fluoroalkyl ammonium derivative. Decaminium, N-decyl-N,N-dimethyl-, salt with 1,1,2.2,33,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-1octanesulfonic acid (1:1), CAS # 251099-16-8) Remarks: The 3M production lot number was Lot 1. The test sample is L-14394 referred to by the test laboratory as P3025. The sample was labeled F-11615, Lot 1. The test sample is a mixture of the test substance ionf wraestiedrua(lappperrofxiuiomraotcehleymi3c0a-ls4)0.% tAellstvsaulbusetsarnecpeo,rt6e0d-r7e0l%atewa1t0ert,hisanmidx0tu-r5e%. oTphaeqtueestssolaimdp)lwehiacphperaarpisdltyo were made to adjust for the sbeepaar2a-tpeshaasfetedriasgpietrastiioonn. (cNloearcallicquulidatwiiotnhs actual concentrationof the test substance in the test sample. METHOD Method: OECD 201 Test: Static acute GLP: No Date exposure completed: 1/11/97 (study repeated on 1/13/97; second study exposure completed 1/17/97) SSpoeucricees:: OrSiegliennalalsytfrruommcTaphreicAomrenruitcuamn Type Culture Collection (ATCC), Strain 22662. Analytical monitoring: Nominal concentrations. PH, conductivity, and tEelmepmeernattubraesiwse:reGmroonwitthorreadt.e and number of cells/mL. Exposure period: 96-hours Start date: 1/7/97 TEensdt doartge:ani1/s1m1s/9l7aboratory culture: Algae cultures were growing in 4OEdCaDys-rbeefcoormemteesntdienditicautilotnu.re medium at AScl Corporation, Duluth, MN for Test Conditions: Test temperature range: 25.6 -- 26.0C 04267 rDielcuotmiomnewnadteedrcsoonucrecnet:ratTihoensalbgyalspmiekidnigudmeiwoansizperdewpaatreerd wtiotOh ECD nviuatr0i.en2t2 sptmocfkislt(raitnicolnupdirnig oNtroa;uEsDeTAin).theTtheset.meTdhieumpHwaofstshteersiylnitzhedetic aSltgoalckmaenddiutmesattstoelsuttiinoinlaptiroenpawraasti7o.n8:9.Water accommodated fbryacmtiaosnss. adTdeisttiosnoloufttieosntsswuebrsetapnrceepairne5d00formeLacofhatlegsatlcmoendcieuntmr.atTihoen tweasst sduebtsetramninceedw.aTshtehosrooluugtiholnyshwoemroegevingiozreodusbleyftorieeedacfhorm2a0s-hsours (pvhoarsteexw1a/s2 --pi1p/e3ttseodluftrioomn tdheeptvhe)s.seTlhseafutpepretrhelasyoelrutofiotnhsehaaqduesoeutstl.ed for 1-hour. The concentrations, test solution in the highest two 24 and 40 mg/L were a cloudy exposure milkish color, while tmhge/L14c.o4ncmegn/tLraatnidon5.w2asmgs/liLghctolnyccelnoturdayt.ioAnswwhietree clear, and precipitate the 8.6 was. also observed on the concentrations during bottom of the flasks WAF preparation. a all loading Eplxupgogseudrweitvhesfsoealms:stSotpepreirlse 2co5n0tamiLnibnogro1s0i0limcaLteofErtlesetnmsoelyuetriofnl.asks Agitation: Number of Shaken continuously at 100 replicates: Six for control, rpm three per test substance loading Initial algal Number of ccoenllcelnotardaitnigo:ns1:.0 X 10 cells/mL Five plus a negative control Water chemistry: PH range (0 - 96 hours) 7.89-9.84 813-932 (control exposure) (40 mg/L exposure) Conductivity range (0 - 96 131- 150 imhos/cm hours) (control exposure) Test te1m3p4er- a1t5u6reumrhaonsg/ec(m0 (--4096mgho/uLres)xposure) 25.6 -26.0C Light levels: (0 - 96 hours) 730-750 lighting ft-c from continuous cool-white fluorescent cRoenmcaerntkrsa:tioInnscownasisstseenetn,grpoawrttihcuilnahrilbyitaitontahte i8n.c6rmegaisLi_ngexepxopsousruere concentration. were less than As the alorweessultt,extpheos4u8reancdon7c2e-nhtorautriEonL5(05.2bamsge/Ld),onwhciellle growth the 48, 7e2x,poasnudre96c-ohnocuerntErLa5ti0onba(s4e0dmgo/nL)g.roTwhthe rNaOteEwLer(ceelglrdeeantseirtty)hawnatshealhsioghest lower than the lowest exposure concentration. 04288 RESULTS Nominal concentrations: Element value: Bk control, 5.2, 8.6, 14.4, 24, 40 mgiL. 2244--hhoouurr EErLLso((cgelrlowdetnhsriattye))== 1155..89((1134..24-~171.86.)8)mgm/gL/.L 48-hour EL (cell density) = <5.2 mg/L (CI not calculable) 4782--hhoouurr EE/LLso ((ceglrlodwetnhsirattye))==<>54.02 mmgg//LL ((CCII nnoott ccaallccuullaabbllee)) 72-hour 96-hour E.Lsy EL ((cgelrlowdetnhsirtayte))==2>04.08 mg/L (16.4 (Cl not -- 26.4) calculable) mg/L 96-hour 96-hour E-Lsy (growth rate) = NOEL (cell density): >40 1.9 mg/L. (1.6 -- (CI not calculable) 2.5) mg/L" "96N-OhEouLrvNalOuEesCa(rgeraowptphrorxaitem)a:ti1o8n.s9 (14.6 using -- 22.1) the IC mg/L" as the endpoint. All element values based on nominal concentrations. Svtaaltuiesstiwcearlemecatlhcoudlast:edCuelslindgenasnitiEexsc,elgrsopwrtehadrsahteeest.anTdhpeerTcreinmtmiendhibition S(Vpeerasrimoann2-.K01a,rbUeSrEmPeAt-hEoRdL,anDdultuhteh,InhMiNbi)tiwoenrCeonucseendtrfaotriEoLn a(InCdp)NaOpEpLroach determinations, Control response: satisfactory Biological observations after 96-hours: CancaoTneutsstion, [o[fmlCalls par |iDbennyvia GnroowthnRavtiea [s5 cm [oomon|.| | [oe Tiwm|m 5| [ee Tomo | ww | & | [[ooee T To o||mwm oo0o ||o w|| C Tommo [e | 0] Observations: meansof direct Algal cell counts in microscopic counts each test vessel were determined with an Improved Newbauer by hemacytometer. 047269 CONCLUSIONS Tdehteertemsitnsedamupslieng96t-whoocuarlcEulLatiionntemrevtalhofdors.SelBeynacesltlrduemnsciatyp,riitcowmansut2u0m.8was mg/L with a 85% confidence interval of 16.4 -- 26.4 mg/L, and by growth rate >40 mg/L (CI not calculable). The 96-hour NOEL was determined to be 1.9 mg/L using cell density and 18.9 mg/L. using growth rate. Submitter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133 DDaAtTAAQUuAALMIYTY 0000 00 000 _ not sufficiently characterized. Accurate ELsy's could not be calculated at Reliability: Klimisch ranking 3. The study lacks analytical measurement of test substance concentrations in the test solutions and sample purity is each observation period due to the inconsistentdose-response relationship and low inhibition observed at the exposure concentration loadings. Additionally, data is foar mixture and toxicity cannot be positively attributed to didecyldimethylammoniumPerfluorooctylsulfonate salt alone. preparation. These are: Report quality: Two definitive studies were conducted on this test substance at the same laboratory, in the same time period. A careful examination of the raw data revealed several errors. during report 1. The study completed" dates printed on the report covers (eJaacnhuaotrhyer2.9,T1h9e97seacntidonFseburnudaerry"211.,0 1G9e9n7e)raalreInsfwoirtmcahteidonw"iftohr "Definitive Test Dates" are correct for each report, however. 2. The discussion under section "3.0 Test Methods" for "Test loadings" are switched. However, the test concentrations listed in this section are correct in each report. 3. The algicidal/algistatic determination test was only conducted after the second study. The discussion under "4.0 Results" in the report with the cover reading January 29, 1997 should not have been included. No evidence was seen in the raw data that ftihrest asltguidcyi.dalT/haelgirsatawtidcatdaetferrommintahteiosnecwoansdcsotnudduycrteevdeadluerdintghatthe the test substance was, in fact, algicidal. REFERENCES _ This study was conducted at AScl Corporation, EnvironmentalTesting Division, Duluth, MN at the request of the 3M Company. 94270 OTHER Last changed: 5/24/00 04271 EAnSveilr"oCAnSmoeenrSttspudTyoes1rtDAianSge0tl1DDii0vu.iol0sia6nos8n STUDY TITLE GROWTH INHIBITION OF _P?<$ TO GREEN ALGA (Selenastrumcapricornutum) DATASTANDARD OECD GUIDELINE 201 STUDY COMPLETED February 21, 1997 TESTINGFACILITY. AScl Corporation/AScl-Duluth Environmental Testing Division 444D4uluAtihr,paMrkNBou5l5e8v1a1rd TFealx. NNoo.. ((221188)) 772222--24500420 STUDYIDENTIFICATION NUMBERS ASC Study ID# 5010-068 3M Company Lab Request# P3025 SSppoansnosr: Su3dMy C1o0m4pPa3n0y25 1 0a272 EAnSveiloACnSomrepnSraalyiTona1/n0A7SgeSD0Dou0na0gn 1.0 GENERAL INFORMATION Study Title | Sponsor i Growth Inhibition of p3e< Ny to Green Alga (Selenastrum capricornutum). OECD Guideline 201 3M Environmental Technology and Safety Services, Building 2-3-09, 935 Bush Avenue, St. Paul, MN 55133; Tel No. (612) 778-7452. | Sponsor's Representative 1 Sponsor's Lab Request? Susan Beach, 3M EnvironmentalTechnology and Safety Services, Building 2-3E-09, 935 Bush Avenue, St. Paul, MN 55133; [pss Tel No. (612) 778-7452. i [T ro bres oone] `Testing Facility Principal Investigator | Testing Facility Director AScl Corporation/AScI-Duluth Environmental "Testing Division, 4444 Airpark Boulevard, Duluth, MN 55811; Tel. No. (218) 722-4040. "Todd McGuire Donald Mount -- Retention of Raw Data and Final Report L1I Location of Raw Data and Final Report zy | Two years from the date study is completed. TAeSsctlinCgorDpivoirsaitoino,n/4A4S4c4I-ADiurlpuatrhk EBnovuilreovnamred,ntal Duluth, MN SS811; Tel. No. (218) 722-4040. | SSppoonmsoarr. Su3dMsCDoompFaancyes 2 04273 EAnSveilroCnmoernpsoarlaiToens/tiAnSgelD-iDviuslitonn 'ASel Su IDF 5010-068 2.0 OBJECTIVE(S) To determine the 4-d median effect loading (ELse) and the 4-d no observable effect loading | (NOEL) of the test substance, p3c7v , for green alga (Selenastrum | | capricornutum) under static test conditions. i This study {preparation was was conducted according to OECD water-accommodated fraction (GWuiAdFe)linpeer2G0i1rl(iOngEC&DWh19a9l3e).19T9e4s.t solution Test Substance | | 3.0 TEST METHODS | gPrraovpietryticeas.: #3:7< 1.2 (water = 1), stable, and , two insoluble in phase water. liquid, specific Test loadings: 0 (algal medium control), 5.2, 8.6, 14,4, 24, and 40 mg/L. r`Teessutltlsoaodfipnrgevriaonugse dweafsinditeitveermteisntesdinfrwohmicrhanignea-pfpirnodpirnigatteesctornecseunlttsr,atainodn ranges were substance to used. Each test 500-ml aliquots loading of algal wmaesdipurme.parTeedstbysumbastsasncaeddiwtaison of test thoroughly homogenized before each was vigorously stirred (vortex 1/2 of mass was determined. Each solution flasks' depth) for 20 hours then allowed a white to sete for one hour to precipitate was observed obtain WAF's. at all loadings, During WAF preparation, except the 14.4 mg/L. loading. A second flask loaded at 14.4 mg/L was also set up, and this second tested, solution and both produced produced the precipitate. essentially the Both same 14.4 mg/L loadings were results. The presence or | tleasctksoufbsptraencciepittaoxtiicointyd.uriTnegstWsAolFutipornespawrearteioonbdtiadinneodtfarpopmeafrlatsoksafbfyect the pipetting off upper layer aqueous phase. SSppoonnssoorr: SiIuMdy CIoDmApPa3n0y25 3 C0474 EAnSveilroCnmeontralpToesrtSiancgtDDiiuviolsainosn "ASel Stuy 104 010.048 Test Organisms | I Algal Medium | Exposure Chambers i I Observations | Endpoint | Cateutations | Source: ATCC 22662 1 rIneoccoumlmuemnpdreedpamraetdiioun:m fAolrg4aldastyosckbewfaorsestuebsctuilntiutrieatdioinn. OECD Use in obtain atnesti:nitSiatloccekllcudletnusrietywaosf diluted 1.0 X 1a0n%dceslpliskpederinmtlo test (1.0 solutions to X 10 actual concentration). PNrae,paErDaTtiAo)n:to DOeEioCnDizerdecwoamtemrenwdaesdscpoinkceedntwriatthionnust.rieTnhtestmoocskst (rienccelnutding chemical analysis for deionized water is in Raw Data Package. 0C.ha2r2acftielrtirasttiiocns:priAotr ttoesutsteimien,thtehetemset.dium had a pH of 7.89. Sterilized via Type: foam Sterilized stoppers. 250-ml borosilicate-glass Erlenmeyer flasks sealed with rUespeliicantteessta:nd1t0h0remelroefplailcgaatlesmpeedrituemst osrubtsetstanscoelultoiaodni/ncghawmebreer.empSilxoyceodn.trol During the test, were made. kept stoppered, except when experimental observations Duration: 4 days. Daily photoperiod: fluorescent lamps. Continuous at Test chambers 740 held ft-candles on shaker using table cool-white set at 100 rpm. Temperature: 25.0 + 2C. IBimoplroogivceadl:NeDuabialuyercelhlemcaocuynttsomuestienrg.direct microscopic enumeration via aWnadtetremcpheermaitsutrrey,: ((2)1)daAitlyt-estteimnpietriaattiuorne.andAltlerdmetienramtiinoantipoHn,s cwoenrdeucmtiavdiety, | according to APHA methods (1995). | I+, 2-, 3-, and 4-d ELgy's, and 4-d NOEL based on both cell counts and | average specific growth rates (x). | SSppoonnssoorr: St3uMdy CIoOmNpPa2n0y25 4 C4273 EAnsveilroCnomrepnosrlstToens/tAiSncgl-DiDvuilsuitosn Ase Study 104 5010.06 4.0 RESULTS ET Test Substance ToT xicity (Pertinen-- tdataare -- Cell Count 1-d-- ELgy: 15.8 mg/-- L (13.2-18.8) ] in Tables 1, 2, and 3) wd Egg: 15.9 mg/L (14.4-17.6). I | Cell Count 2-d ELyy: <5.2 mg/L. # 2d ELgy: >40 mg/L. | 1Ce3lldCEouLnt;3-d>4EL0gym:g/L<.5.2 mg/L. | | | | { | | I Test Conditions pCkel4ldCoEuLnt:4-d>4EL0gym:g/L2.0.8 mg/L (16.4-26.4). Cell Count 4-d NOEL: 1.9 mg/L (1.62.5). 1 4-d NOEL: 18.9 mg/L (14.6-22.1). 1NCOyqECas vtahleueesndaproeinatp.proximations using the Ealfgfieccitdaolfbtaesstedsuobnsitahnecerewsualstsdoeftearmpionste-dtetsot be d10et2er4m0i0namtigo/nLwlhoeardeincgelfasilperdevtioouisnlcyreeasxepoisned nreusmulbtesrweafrteern9otdaaypsp.lieTdhteosededteefrimniitnievethteest EreLsguyl'tsedasintghreeaftinearltchealln c5o0u%ntsinfhoibritailolnl.oadings Temperature (C): 25.6-26.0. I L _ Light intensityfi-cdls: 730-750. | PH: 784-1026, | Specific conductivity (umhos/cm): 131-160. SSppoonnssoorr: Su3dMy CIoDmFpPa3n0y25 5 94276 EAnSvCilcoCnomrpeonraaTieosni/nAgSeDli-vDisuiloun "ASel Swdy 1DY 010.068 5.0 TEST QA/QC os co oe] lAelagsatlacofuacnttosr ionfc1o6ntdruorlinmgusttheinfcirrsetas3e-dbyofatthe | cDouurnitnsgitnhcerefaisrsetd3b-yd aoffatchteortesotfcaopnptrroolxiamlagtaelly || exposure. 388. I Testduration mustbe 4d. | Thetest durationwas 4-d. 7] 6.0 REFERENCES = rr---------------------- American Public Health Association (APHA). Water and Wastewater. APHA, Washington, 1995. D.C. Standard Methods for the Examination of | OTersgtainnigzaotfioCnhefmoircEalcso.noOmEicCDCooPpueblriactaitoinonanIdnfDoervmaetlioopnmeCnentte(rO,ECWaDs)h.in1g9t9o3n.,ODE.CC.D Guidelines for | GDiertleirnmg,inAi.nEg.,theG.AFq.uaWthiaclTeo,xiacnidtyDo.fM.PoMo.rlAydWeatme,r-S1o9l9u4b.leACGoumidpelleixneMiSxutpuprleesmeunstinfgorWaterAccommodated Fractions. Chemosphere, Vol. 29, No. 12, pp. 2645-2649. Hamilton, M.A., R.C. for Estimating Median Russo, Lethal and R.V. Thurston, 1977. Concentrations in Toxicity Trimmed Bioassays. Spearman-Karber Method Environ. Sci. Technol. I 117): 714-719; Correction 12 (4): 417 (1978). US EPA. 1993. A Concentration (Cp) Linear Interpolation Method for Sublethal Toxicity: The Inhibition Approach (Version 2.0). Environmental Research Laboratory, Duluth, Minnesota. SSppoonnssoorr. St3uMdyC1o0m4pPa3n0y25 5 0477? TABLE 1. TEeLsgt,'wSi,th95(%3:C5onfidence Intervals, and 4-d NOEL'S from Algal Growth Inhibition || --com TF [ e~m e 1dEE E, DL, T m || o--e [ aoeae2ee18s8 ]|| |F oee m CE T Teoses] --pepsi we ee-- w14e.41s76 | SES my Te cu [venTeTne] C0473 TABLE 2. cCealplrsicpoerrnumtlumanEdxpPoesrceednttoage#3D0if5ference from Mean Control Value forSelenastrum WO | we [TT TT [cio I = TA Lew 6 1 52 396 649 -- I B 3 23 240 sn `Mean 2.3 (48) 24.3 (-53) 243 (37) 572-17) Mean 3.0 (33) 163 (68) 99 (:74) 422(:39) Il B 2 u 52 300 * 0-d Mean Algal Count = 1.0 X 10% 94279 TABLE 3. [ RWBT| = we [= TT= T] T rr Average Specific Growth Rates () and Percentage Difference Value for Selenastrum capricornutum Exposed to ps from MeanControl ay A LT -- 1 | i = oe oe[om[oo] REE EEE EET emLebS tr pr ne 4280