loff ARARE _ 130 March 31, 2003 Regular Mail `The Honorable Stephen L.

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AR &86- 1351 Page 1 EpidFemIiNoAloLgyR,E2P2O0-R3TW-05 Medical Department 3M Company St.

ARA26 -- 147] + ' PERSONAL AND CONFIDENTIAL E 0: RC..

S.L Internal Correspondence [Feaegscor=s=e| ARE-0466> I| % D.

: 3M MEDICAL DEPARTMENT TOXICOLOGY SERVICES To: Georjean Adams 290-4-01 cc: John Butenhoff 220-2E-02 From: Marv Case 220-2E-02 Subject: FC 95 and 143 Teratology Date: 26 May 1998 John passed on to me your request for someone to review and write an analysis on the eye lens defect that was reported in the the toxicology study files on FC 95 original and FC FC 143. 95 rat teratology study.

AR126-0 595 ACTIVATED SLUDGE RESPIRATION INHIBITION I TESTE SUBSS TANT CE ~S ~U ~ BSTANGE Identity: PPeFrOflAuoarmoomcotnaniouimc ascailtd,, Aammmmoonniiuumm psaelrtf;lmuoaryooacltsaonobaeter,efPeFrrOe,d FtoC-as. +11a6m,mFoCn-i1u26m,sFalCt-,1C6A9,So#r3F8C2-51-4236.-1()Octanoic acid, pentadecafiuoro- R14e3m.arIkt'ss :puritTyhweas3Mnoptrsoudfufcitciieonntllyotchnaurmabcteerriwzaeds,3t7h.ouTghhectuersrtesntamipnlfoermisatFiCo-n ainnddiCcastpeesriftliusoaromiaxntaulroegoufe9c6o.5mp-o1u0n0d%s.test substance and 0 -- 3.5% Ce, Cr, wMEETTWHOODD: Methods: Protocol Reference EAR, 11/8/79.

AR226-0516 Testsuestawce ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-168, FC-143, or as a major component of FX-1003.

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co 17r EEE as16 O10 AR 226 _ 06/9 2 Phasing Out a Problem: Perfluorooctyl Sulfonate (PFOS) Mary F.

aE AR226 -- 063] Dainippon Ink & Chemicals, Inc.

AR R26 -- 0752 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstaPiFnOiSng, pFeCr-f9i5u,oroorocatsanaescuolfmopnaotne,ewnohtficFhC-m2a0y3CaEl.so b(1eOctanesulfonic acid) (CAS # 2795-39-3).

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~AR226-/7/6 CANCER PREVALENCE IN SUBJECTS EXPOSED TO PERFLUOROOCTANONIC ACID (PFOA) Jam ors es Dahlgren MD', Ayman B enero Torabim MD'*', Raphael Warshaw', seston Harpreet Takbar MPH' i.