BIOACCUMULATION (ANALYTICAL ONLY) Err--7 TEST SUBSTANCE Identity: PFeCr-f9l5u.oro(o1c-tOacnteasnuelsfuolnfaotnei;c amcaiyd,a1l,s1o,2b,e2.r3e,f3e.r4r.e4d,5t,o5,a6s,6P,7F,O7,S8,o8r,8heptadecafluoro-, potassium salt, CAS # 2795.39-3) Remarks: Twhaes treesctosrudbesdtoanncteheispauriwthyi.te powder.

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AR226-1974 { U^ To; (-row' Ou^-fe, CLo^^SJ- ^a>2-' (7)crei<-A-Ma-t/o . ... . .. ... .. 3>cdbL-; 4?

AR226-3376 HASKELL LABORATORY Common Name: Ammonium Perfluorooctanoate (C-8) Chemical Name: Octanoic add, pentadecafluoro-, ammonium salt CAS Registry No.: 3825-26-1 Chemical Structure: 0 Physical Properties: CFa - CFz - CFz - CFz - CF2 - CFz - CFz - C- 0-^4 Form: Molecular Weight: Boiling Point: Melting Point: Density: White powder 431 Sublimes @110C Drinking Water Guideline (CEGw) lug/L General Toxicity Ammonium perfluorooctanoate (C-8) has moderate acute oral toxicity with an LD50 in rats of 470 mg/kg|b----Ul981b).

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ACUTE TOXICITY TO FISH (RAINBOW TROUT) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95,oras a component ofFC-203. (1Octanesulfoniaccid)(CAS # 2795-39-3).

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AR 226 . 0689 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSn,g pFeCr-f9iu5o,roorocatsanaescuolmfopnoanteen,twhoifcFhC-m2a0y1.al(s1o-be Octanesulfonic acid, (CAS #2795-39-3) perfiuoroalkyl sulfonate salts (5) + (5140F)) Remarks: is FC-201.

InternatioRneaslearcahndDevelopmenCtorporation SPOLNSOR: TEST -M&TERI-kL: SUBJECT: 3M Company (D Fluorad Fluorochemical Surfactant FC-95 Acute Oral Toxicity (LD50) Study in Rats.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-206A. (1Octanesulfoniaccid)(CAS # 2795-39-3).

BIOACCUMULATION (ANALYTICAL ONLY) TT ESTe SUBSg TANT CE su=e = 0s 000T 00AN 00G 00 E IadsenPtFitOy:A ammPoenrifluumorsoaoltc,taAnmoimcoanciidu,mapmemroflnuicuromocstaaltn;camtae,y FaCls-o11b6e,rFeCfe-r1r2e6d,to 3F8C2-51.6296,-1or) FC-143.

BACK TO MAIN CEntrE Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Sediment and Sludge Samples Cleveland, TN (W1973) Centre Analytical Laboratory Report No. 023-014 0 (Revision 1) Revision Date 3/27/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

AR226-1970 .

AR226-1977 ;M7 BEV.

WATER SOLUBILITY PART RIA8 CCOONTTAARIR NONr Ca TEST SUBSTANCE Identity: rNe-fmeertrheyditpoerafsluNo-rMooecFiOanSeEsAullcfoohroalm,idFoCe-t7h9a0n,olo;r mFMa-y3a9l2s5o,be(1hOecpttaandeescuafllounoarmoi-dNe-(,2-Nh-ymdertohxyyelt-h1y,l1y.,2C,2A,S3,#3244,444,85.-,059,.67.)86..87.,87 Remarks: 3MaMtelroitanluims baenrof5f0-5w.hitPeu,riwtayxiynfsoorlmida.tioSnamwpalseowtasretcaokrednedf.rom METHOD: Method followed: TMh.eCoVmesittohc-Cko,mJs.tFoicskhtReecsh.niBqouea,rdG.CaDn..Ve3i2t,h 1a8n4d9V.