Centre Analytical Laboratories, Enc. 3048 Research Drive Phone: (814) 231-8032 State College, PA 16801 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Columbus, GA (W2336) Centre Analytical Laboratory Report No. 023-007F Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

Attachments to Letter to C.

Centre Analytical Laboratories, Inc. 3 04 8 Research Drive Phone: (814) 231-8032 State College, PA 16801 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Surface Water Samples Pensacola, Fl (W2176) Centre Analytical Laboratory Report No. 023-014C Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

BACK TO MAIN U .Ilf ....

Internal Correspondence BACK TO MAIN Commercial Chemicals Analytical Report #245 To: M.

BACK TO MAIN BIODEGRADATION (METHYLENE BLUE ACTIVE SUBSTANCE) 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 was 158.

BACK BIODEGRADATION TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, N-EtFOSAA, FC-128 (acid form) or FC-129 acid.

3M Specialty Materials 3M Center St.

A R I I M g kbw-2/3/98 Effect of N -Alkyl Perfluorooctylsulfonamides on M itochondrial Bioenergetics In Vitro Kendall B.

AR17J6-033I Feces3MMPerMothtoEocdDoDIlCfeoAvreLSlotDpumEdyPeAnNtRoM.TTeMt-Da6Eb3eNor1il6Tvis.a,1mtC7iv,OSeTtsRu-.6dP2yO9fR5o.A2r1PT,eETrf-T7luO1o3Xr2oI.o3C;cOtSaLTnOe-4sG1ulYfonate SFfTetlhcuuieodssrysimtnuOeedbtAyajebnicsoatlldiiyvteteeis:ciaganlnaCelydhsetiosm. gisetnryerTaeteamspteociumseenfsofrodretvheelo3pMmEenntvairnodnvmaelindtaatliLonabaomraetothroyd of Research O ient: 33SMMainCSt pPeenacuteilar,l,tMyBNuCihl5de5imn1gi4c42a3ls6Division Sponsor: 33SMMainSCtpPeenacutiealr,l,tMyBCNuihl5de5min1ig4c4a2l3s6Division Study Location: 33SMMainSCt tPernaatuteelgr,,iMcBTNuiol5dx5iinc1go4l42o7g0y-L3Sab-0o6rartooorym SB314 Study Director: PA33TSMMhaoni.xd:nMiCrt6cePo5ewenal1dout-Mieg5clr,y7a.

P^ TX-^ % A C U TE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, or FC-143.

CHRONIC TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as 78.03, PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

1UL&.2.G - 6bQ If fl L_ Barbara Leczynski 05/05/2000 03:37 PM To: Karen Lannon/DC/USEPA/US@EPA, Mary Dominiak/DC/USEPA/US@EPA cc: Subject: followup to perfluorochemicals meeting on April 28 -------------------------Forwarded by Barbara Leczynski/DC/USEPA/US on 05/05/2000 03:31 PM Charles Auer ; 05/05/2000 12:03 PM ro om~ov i JHS- -o zx ro cn CO <=>za ~ ~~ oo om --rn O pq OO To: dchakes1@mmm.com cc: bob.sussman@lw.com, Oscar Hernandez/DC/USEPA/US@EPA, Neil Patel/DC/USEPA/US@EPA, Robert Perlis/DC/USEPA/US@EPA, Barbara Leczynski/DC/USEPA/US@EPA Subject: followup to perfluorochemicals meeting on April 28 Dear Bill and Dan, 3M, We found the meeting very helpful in furthering our understanding of the situation with regard to PFOS and other perfluorochemicals.

/)R 6 _ 0-713 BIODEGRADATION (OECD 301 E) 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).