Taft/ Taft Stettinius & Hollister LLP 4 2 5 W alnut Street, Suite 1 8 0 0 /Cincinnati, OH 4 5 2 0 2 -3 9 5 7 /Tel: 513.381.2838 / Fax: 513.381.0205 /www.taftlaw.com Cincinnati / Cleveland / Colum bus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing Robert A.

AAA6-0679 MULTI-CITY STUDY FINAL FIELD REPORT FOR COLUMBUS GEORGIA AND PORT ST.

M A&6 - 0 ALGICIDAL ACTIVITY TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

Ar s.a.6 - OlifJl ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203C and L-5440. (1-Octanesulfonicadd, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

M aq.6 _ 0 7 2 7 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

AR 6 -0 7 3 !

0% w ACUTE TO XIC ITY TO FISH (FATHEAD MINNOW ) TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-602. (1Octanesulfonic acid) (CAS # 2795-39-3).

^ o a i'V v v AOO 2 0 I1DZ UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III 1650 Arch Street Philadelphia, Pennsylvania 1 91 0 3-2(0 Robert A.

Recommendat ion Regarding Fluorochemical Exposure to Females of Childbearing Potential Based on toxicology studies of selected fluorochemi^dls including teratology studies, the following recomp^ndatio*.- are made regarding work restrictions for femal g a ^ ^ c h ildbearxng potential.

April 15, 2012 Probable Link Evaluation of Cancer Conclusion: On the basis of epidemiologic and other data available to the C8 Science Panel, we conclude that there is a probable link between exposure to C8 (also known as PFOA) and testicular cancer and kidney cancer but not any of the other cancers that were considered.

narettce corresgonsence SI ?

Iit ae Pathology and Toxicology Riker Laboratories, Inc.

CCuurrrreenntt CCGG FFCC W Waassttee SSttaattuuss ((222211227722 IIbbss..llyyrr aass ooff 88//22111/0000)) BFC wastLosttothe [] FC Waste Lost to the Sewer 38% TT @[] TTWWraarnssataefefsrforrosfemtmdoePoooPrtuaorntoododufsfeucCCctdtsGGs 13% B[]FFCCvWiassttwe nInncciinneerraatteedd 49% nA by Mr pet ier tn tbc er C3460 Made Available by 3M for Inspection and Copying as Confidential Information: Subject to Protective Order In Palmer v. 3M, No.

SFerFnrootmm:: To:Sent: To: Scubeject: AStutbajcehcmte: nts: Attachments: OOSlalitiaaueer,id,aFFya,arOrddciitnnober 15, 2005 12:10 AM SODOloaliiuatauegcri,d,(FaaFPyra,CdrAiOdn)icn;;t;oKKbDoaeruygre,e1g5rDe,,or,2u0gGG0laa5arrsyy1(2((M:MP1PPC0CCAAA)AYM::); GKKeeenlltllyay,scJJhaa,mmeeEsnsr((iMqMuDDeHH;)):H;e'GGnidinnenrnysyoYYni,inngglJiloinnegg';(';MWWPeCleAzt)szts:cteiHnien.r,sel, JJDLoeoowhhuinnsg.

iomaoizom 6 222006 0740p JGiesy@aol.com 02/12/2006 07:40PM \& To macngummon To dlbacon@mmm.com cc soos ET bbeeec Subject ES&T paper viehe sched per ss in) orESET arc. av chs conte coy I reviewed the attached paper (see review) for ES&T and rejected it.