18} OE CD 305-OPPTS 850 .1730,Fish bioconcentration (ioluegil l ) p . 76 p . 77 PERFLUOROBUTANE SULfiO1vATE, POTASSIUM SALT ( PFBS) ; CiaN~T~ZE~ A FLOW-THROUGH BJOCONCENTRATION TEST WITH THE ~7 1 BLUEGILL (Lepom;s macrochrrus) ` FINAL REPORT DE C O ~ ~QQ3 WILDLIFE INTERNATIONAL, LTD, PROJECT NUMBER : 454A- 11 7 3M ENVIRONMENTAL LABORATORY REQUEST NUrMBER : E00-1429 U .S .

i F7r2e2e/630a)lS Gartiela Mater Department Client sample 0: GLEUPNRKFOPCSTATDION ne DLaotte-SSamapmlpe lfe..d_..:: Prep Date..11.: D63I/C0O5S/G03803-0090:100 03/10/08 WDoatrek ORredceetrvefd.....:: Aoalyais Bate.

Taft/ Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 /Cincinnati, OH 45202-3957 /Tei : 513 .381 .2838 / Fax : 513 .381 .0205 /www.taftlaw.com Cincinnati / Clevelano / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing ROBERT A.

425 Walnut Street, Suite 1800/ Cincinnati, OH 45202 3957 Cincinnati / Cleveland / Columbus / Taft/ Taft Stettinius & Hollister LLP / Tel : 513 .381 .2838 / Fax : 513 .381 .0205 /wwvv .taftlaw.com Dayton / Indianapolis / Northern Kentucky/ Phoenix / Beijing ROBERT A.

ST-300 ToxDocs 10-170 TOXICOLOGY ASSESSMENT AND COMPLIANCE ASSURANCE GROUP 3M COMPANY 10-170: ORAL STUDY OF MTDID 208 AND MTDID 1004 IN MALE RATS FINAL REPORT ToxDocs Study Number 10-170 Test Material MTDID 208 MTDID 1004 Lot Number(s) 217 (MTDID 208) 332 (MTDID 1004) Strategic Tox Lab Study Number | ST-300 Other Identification Number(s) |K'PFOS (MTDID 208) NH;"PFOA (MTDID 1004) 19F/TH-NMR Analytical Report | See Appendices 1 & 2 for Certificate GID Number of Analysis Study Director Jill Hart, AAS, LATE Laboratory Administrator Principle Investigator: (Study Monitor) John Butenhoff, Ph.D., DABT, CIF Corporate Scientist Testing Facility Tn-Life Start Date 3M Strategic Toxicology Laboratory 3M Center, Bldg 270, room SB314 Saint Paul, MN 55144 Tune 21,2010 Tn-Life Termination Date Tune 25,2010 Tof14 ST-300 ToxDocs 10-170 TOXICOLOGY ASSESSMENT AND COMPLIANCE ASSURANCE GROUP 3M COMPANY 10-170: ORAL STUDY OF MTDID 208 AND MTDID 1004 IN MALE RATS Compliance Statement and Signature Page "This study was conducted for research and development purposes and does not conform to regulatory guidelines.

FINAL REPORT Epidemiology, 220-6W-08 Medical Department 3M Company St.

- 3M ECPoLmOp0aOn)y Page 10f25 FINAL REPORT Epidemiology Medical Department 3M Company 220-3W-05 St.

@ WHaAsZaLTREGTTOONN AR226-0270 3 i 4 WY Sw i is wii ANALYSIS OF T-5877 IN A CELL PROLIFERATION ASSAY IN RAT LIVER CELLS EINALREPORT AUTHOR Maria A.

| IdnotternaHlTC se <nc2ea-3 ARNVE-0278 EW..GC..

ISpp 30 SpreoysaarMittel October 3, 2002 SMatPaaielrMoN 55144-1000 ARLa6_ 1134 DU.xS..OsEncvairrHoenmmeanntdaelzProtection Agency EPA East, Room 4410 W1a2s0h1inCogntsotni,tuDt.iCo.n A2v0e4n6u0e, NW.

- 7 AR226-1327 RECCEIEVEDD PNarer m main FER CoDpionrdrteneaCoV.urBsMe0a!

COVAANNCCEE AR R86 -- 1358 Sponsor: 3M FINAL REPORT Study Title: 4-Week Capsule Toxicity Study with Perfluorooctane Sulfonic Acid Potassium Salt (PFOS; T-6295) in Cynomolgus Monkeys Author: PeteJr.

.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: rNe-fmeertrheydltpoerafsluNo-rMooecFtOanSeEsAullcfoohnoalm,idFoCe-t7h9a0n,olo;r may also be FM-3925.

MICROBICS MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: tPoerafsluPoFrDodSe,caFnCe-s1u2l1f-oXn,atoer,3aMmmSoanmipulem Esa2lt1;1m2aayndalEs2o56b6e-1r.efe(r1r-ed D1e,c12a,n2e.s3u.l3f,o4n.i4c.5a.c5i6d,.6,7,7,8,89.9.10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) pRreompaarnkosl,: 1T-e(s1t.1s-daimmpeltheylisetahomxiyx)t.ureThoifsthmeixtteusrtescuobnsttaainncseaipnprwoaxtiemraatenldy22-2- p2e6r%fltueosrtonsounbasnteasnuclef,on3a3t-e3,7a%mpmroonpainuoml, s1al-t(1a,n1d-d3im8e-t4h2yl%etwhatoexry))., 0.5-1.5% All values trheepoarctteudalrecloantceetnotrthaitsiomnixtoufrteh.e tNesotcsaulbcsultaatnicoensinwetrheetmesatdseamtpolaed.jusTtesftor material was from 3M production lot 1 Note: Only the summary page was available for this study METHOO Method: Microbics Microtox Procedure Test type: Static acute GLP: Year CNomopleted: 1987 ASnpaelcyiteisc:alPhmootnoibtaocrtienrgi:uNmopnheosphoreum TSteasttisotircgaalnmiestmhsoodusr:ceM:icMriocbriocbsiccsomMpiuctreortosxoftRweaargeepnatckage RTeepslticcoantdeist:ioTnws:o Per Microbics method RESULTS TNeosmtinSaalmpcloneceEnltermaetnitonvsa:lu1e2s5:, 2550-,mi50n0u,te1E0C0s0)m=g6/4L0 (605-670) mg/L 15-minute ECso =290 (260-310) mg/L All element values based on nominal concentrations.