AR226-3134 CONFIDENTIAL SPONSOR ElfAtochemS.A.

AR226-3162 TRADE SECRET Study Title H-24043: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2932 AUTHOR; Carol Finlay, B.A.

AR226-3391 Repeated Dose Oral Toxidty of 8-2 Telomer B Alcohol Range-Finding Study in Rats G.L.

Exygen. ` &RESEARCH Proven Riss ..GePT RE a WEA 29 fi 8: 59 Attachment 2 226-- 1776%, | Analytical Report Air Sampling Fluorochemical Report | DuPont Washington Works -- Air Sampling Program Round 4 Exygen Research Report No.

Design DESIGN AND STRUCTURE OF MULTI-CITY STUDY submittedto 3M EnvironmentalLaboratory 935 Bush Avenue St.Paul,MN 55144 submitted by Marcia Nishioka,MS and Warren StrviussM,S Atmospheric Sciencesand Applied Technology Department Statisticasnd Data AnalysisDepartment BATTELLE MEMORIAL INSTITUTE 505 King Avenue Columbus, OH 43201 May 1,2000 Purpose The Multi-Cisttyudywasdesignetdoobtaipnreliminadraytaaboutdispersioofn fluorochemicalcompounds intheenvironment,uptakeintofoods and presencein drinkingwater,and tounderstandthepotentiaslourcesofhuman exposuresthatmight resultfrom thisqW of dispersion.

6-month toxicitsytudy withPFOS Monkeys Date: T-6295.7 Covance 6329-223 3/16/99 inCynomolgus Urobilinogen(UB) AnalysisResultsfrom Dr Joseph P.McConnell.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfonicacid)(CAS # 2795-39-3).

ff ~ ~ ARA_FR42G4 28 000235 | FCDhoFanAnttbeCrlooWmpooadnry ARRRG _ 342k Chambers Works PFOA Recycle Prior to start-upofthe PFOA Recycle process, baseline blood samples were collected on `fwuotrukreerssawmhploiwnoguclodubledabesscoimgpnaerteoddthteo rtehecybcalseeplrinoecelesvsealsn.diBtlsosoudppmoorntiotpoerriantgioinsscsonodtuhcatted as an industrial hygiene tool to evaluate the effectivenessofthe controls.

11) e, Pharmacokinetic study in the Cynomolgus Monkey, T-7485.1 , 77 y s s SANITIZED DEC 0 9 2003 Final Report on the A Pharmacokinetic Study of Perfluorobutanesulfonate in the Cynomolgus Monkey To: 3M Corporation P.O.

~J<7 .~ ~ - 3175~ Sanitized Version for th e AR-226 Public Electronic Docket (CBI and copy restricted documents removed) Index DOCUMENT DESCRIPTION NO.

p. 1 Ae- zZ~-37"7 ACUTE TOXICITY TO THE OLIGOCHAETE WORM (Lumbriculus variegatus) TEST SUBSTANC E 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 : The test substance is a white powder .

p. 1 ~ ^ ~' -~ ~ ~' a /~ -~ C7ti ~ ~ /" Final Report Mortality of Employees of an Ammonium Perfluorooctanoate Production Facility Jessica I .

The Borough GF Segpeonilts WATER DEPARTMENT 16TE7L.M(A7I3N2)ST3R90E-E7T060SAYFREaVxI(L7L3E2,)N2.J3.8-028184772 January 4, 2008 2a 8 SDteaptaerotfmeNnetwofEJenrvsieryonmental Protection PB.u0r.eaBuooxfS4a2f6e Drinking Water Trenton, New Jersey, 08625-0426 * EE Thom Attn: Ms.

| stAmerica City of Salem F0034S Layee | J-- | Pronpros nays Lot#: D7J150133 e aC Laboy ra, | `Southampton, PA 18966 | ---- | APtorv" | November, 2007 oe 4955YamowSweet Arvada, CO80002 16 303.736.0100.