3M REPORT: BIOACCUMULATION STUDIES : gEH] 0800-373 "Marc8h, 1953 8 fifi (Bh re 2 0 rion oe rion mir -Fo . - i 000811807P : co{a0rd,i2ssThh.sttaoHtafSohostoemlwauetcrieootvnhpeverraosnmtedenocteurohwnlod,,edexsrpHetiernhndeicsimecae,anmtte1edsabcfcaiocsrtpeumtmdesoatnsaunrtcheemss)etnuatdnoydfismonlourb$e1il(fiartybeoqauvneedn,Kbemue.taasrsuirfneagimarelnystghoooronedyr(awn)doetxhspeohpsoounroe: ioFtohdntti his vPeryelrowpasorltuobl filfiyio,ermeavwneagneteowriftohmrotll hoewcuelloeawrdsmtseihazeusvufarTleo.rudewyo"h.fpi,scooe(unhxeebpeiwtclothyuelrdd=bheeah5xna0pdve,ipcoptrbh&ieaMmnloiddWneelraoargitweSfi7oFhe1a=wershy5p'.cLhPpuuurcsseur biiloaynerofthtehesMoelveecruallamremcobnrfaingcusra.tion may present some problems in crosiog through the pores of hbeoKU.g.. . : =`TrWhhaeerrteeapesoyrdotuaitssvteartreyacetohnoafftu0s0i3BngLu.wlh(e50n=0.50it0c0xupprpgebs."

3M Specialty Materials 3M Center St.

BACK TO MAIN SOIL ADSORPTION (METHOD DEVELOPMENT / PILOT STUDIES) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: Sample was radiolabeled (isotope and labeling position not specified).

BACK TO MAIN ACUTE ORAL TOXICITY TO TERRESTRIAL INVERTEBRATES (HONEY BEE) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks field: The 3M production lot number was 217.

02/28/2001 ~ ~ ENVIRONMENTAL LABORATORY ARCHIVED FINAL REPORT B1ACK TO MAIN LAB REQUEST NO. 8442 REQUESTOR NAME: EAR DEPARTMENT: 0535 PROJECT NO: 9970012600 DATE RECEIVED: 0 9 / 0 7 / 1 9 8 2 DESC: ENVIRONMENTAL SCREEN ON L-6778 CONTRACT LAB(S): EXP COMP DATE: 11/12/1982 DATE COMPLETED: 1 1 / 0 9 / 1 9 8 2 PROJECT LEAD: PHONE NO: 3M FAX NO: 651-778-6176 EVAPORATE TO DRYNESS UNDER AIR OR N2.

3M Medical Department Study: T-6295.12 Analytical Report: FACT TOX-110 LRN-U2849 Table 7: Ambient-Temperature Stability of PFOS in Rat Serum After 24 Hours N A Not Applicable RSD = (SD/Mean)x 100 %DEV fkom 0Hour = [(X Hour Conc.- 0 Hour Conc.)

PERFLUOROOCTANESULFONATE, POTASSIUM SALT (PFOS): A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE RAINBOW TROUT (Oncorhynchusmykiss) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

TITLE: SAMPLE TRACKING OF WILDLIFE SAMPLES ANALYZED FOR CONCENTRATIONS OF PERFLUO BY: John L.

Gril Company ASAI 6LAS5 0.170.

Al226-/548 Toxicological Summary Pros Dietary Acute Northern Bobwhite Study `Test Substance: Perfluorooctanesulfonate (PFOS) Structure: Remarks: METHODS poaium sah CASH 2795.335 |-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8.8,8-heptadecafluoro-, Trhedtesutndsuebrsatamnbceitis caownhdiitoenspoawndderur(GM wlats#o2r1g7i)nallTyhedrsammpilnedwa1s pleas be 90.49% byutp LCMS, 'H-HMR, riploiglon ""F-NMR and elemental analyses dCeotnecremninaeidontso ibnehi8s6s.u9%m.marTyhaersnvoamsienaolnatned 8m5e3as%urpeudrtydiveatatrey PFOS vTahleueis nbafsedphoanseherep0o.rt40wa%spourrgtiynaelsltyractoimopnletTeheinre2po0r0t0,waasndrrieepodrted 3008 to rflt the subsent revision. in ample purty This Toxicological Summary reflects these changes as well as including results from all of the associated reports of analyses of tissues collected during the in-life phase.

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