ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA tetrabutylammoniumsalt,Ammonium perfluorooctanoatePFO, FC-1 16, FC-1 26, FC-1 69, FC-1 43 or as a major component of FC-1015 or FC-1 015-X.

BIODEGRADATION (OECD 301E) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referretdoas PFOS, FC-95,oras a component ofFC-203. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium saltC,AS # 2795-39-3) Remarks: The 3M productionlotnumber was notnoted.

lf R 286-3427 3 - 000255 @ ~~D || ARRRG - 3427 C5IN BLOED MONITORING RESULTS IN LPRDORDRECHT -- cre keno 3 oposite mm) sri we.THsDF HomoPolymers,FEP/ ood A-lshoifrtairearsaongdrsoonmienecmopylroayieoeinsn F`ewoirmtuwhieDuPopntaFLgPRsPoharsokeenrosebvurragdanoodgDyaannmedeoownwiehnssGceofnodbomortfbGaecrtman.3y.

<n. ' 3M Rese I SITING 4g 026 = 3ST7S \\ FFT RE Certified Mail December 19, 2005 4EuWQl-JAFR I-FL 3TY ZeHR_ 1208- 00374 DRoocoumme6n4t28Prosesing Center (Mail Code 7407M) Attention: TSCA 8() Coordinator OU1fS2f.0i1cEeCnoovnfPisortloitlnumutetiniotonanAlPvPrerenovuteeenc,ttiNio.onn.aAngdeTnocxyics Washington, D.

vo AREIE_ 3628 .

ADDENDUM NUMBER I TO THE SECONb SEMIANNUAL PROGRESS REPORT FLUOROCHEMICAL (FC) SITE RELATED ENVIRONMENTAL ASSESSMENT PROGRAM 3M COTTAGE GROVE, MN FACILITY March 2006 Prepared for 3M Company WESTON SOLUTIONS, INC.

3 70 p. 1 3~1 Compan y eP t-0027 Page I of 20 Final Report Epidemiology, 220-6W-0 8 - - Medical Department 3M Compan y St .

1 Limi A220 3750 nC sero ons cs ves. sve x. 4. piagia, suo CONTAINS NO CB!

P. 1 ~tZ226-3'7 MP( 3a3 65-5- o~~ O' ~ Apri12 200 7 ~ r' i~ i" +` . r LL> ()~ i,~ DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P .O .

oU NONr.

Attention: Docket Number EPA-HQ-OW-2014-0138 April 28,2014 We appreciate the opportunity to comment on the draft "Health Effects Document for Perfluorooctane Sulfonate (PFOS)".

\0 AR 26 _ 1009 FLUORO DIVP ISIO ON LYME[fR ifiS PR 1G 798 April 13,2001 DMirr.ecCthoarr,leCsheAmuiecral Control Division U4OSf0Ef1incMveiSortfPoeonelmtle,untStiVao.nl,PPreostteicctiidoensAagnednTcoyxic Substances.

Do : AR226- 1088 3CMoCmopmapannyy FINAL REPORT Epidemiology, 220-3W-05 Medical Department 3M Company St.

AR R26 _ 1ll& a3 a: PROWTAESHCNTGTIOONN0.A2G46E0NCY September 5, 2002 ir Mr.