HECYCLEO Ol Ol AR226-2665 en RESEARCH Precise Research.

AR226-2695 AR226-2695 Biodegradability of Telomer-Based Polymeric Products 1.

AR226-2860 Material Tested: , E.

.* K FOR DP PONT BSE PULT AR226-2970 Du Pont H M 809-91 Study Title Eye Irritation Test witt dn Rabbits Author John .

TRADE SECRET Study Title H-24QQ1: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2924 AR226-3156 DuPont-2924 Author: Carol Finlay, B.A.

AR226-3206 D uP on t-2931 Supplement N o. 1 TRADESECRET Study TUle H-24042: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2931 Author: Carol Finlay, B.A.

3-2j' DuPont-12966 TRADE SECRET Study Title H-25777: Inhalation Approximate Lethal Concentration (ALC) in Rats A uthor: David P.

M6_ I- 28 000235 DuPont Company Chambers Works PFOA in Blood -^ Chambers Works PFOA Recycle ntaawwasslPffdshauoaeannsoerbaoemvmtriddttausoeorePbn1kprp2c3rrr1eFe9aetall04ti0eoi9rotOnls0nros0srn9eady0g.AsrewolmpeuyatiwbwaTpaafsnhbpprlrbtb4haldootyrsley-l.2isii.oyrunsa2waascdwPlpg0WlqosocoahF0msuoncoonbuyiO0oorangndfologkrnduebnAtturkniehrtllaeelbceaiirdoeintftwdstrecnooieobseePtwvwrardadedwyliFtsosanoeoimcsOalhnhbdgrorvioetaokogeoAle2cmcdetrncndtva0eoaoroRepbmioc0stnwtdloa.eotele0lcepurreeviDtrceedtyowanicnyahnnduittluicgtheetgautPnhtrlshnedinoaeaoceicmresnatthianepte,irnlghPomadetyrtitheonnFcnazhg1fpecsyynOcibo9aeanelcas9allroiuAgeseollgs9tcesydffsweebn.f,hsrttepsleslihebreidottccrnoceiShassoaotne3ymthsiaalcCdvgce0comnlceaeeallhwsishipitnvlpn1naanosieeeee0lmbcmeggmeoadsl0lrrssbnuspbppaari.plddlwsetrlepooeeipotreBsohsifosesbcdutfnytrlsfdreWf.hloeooootswssessouAmpsartuoada.in<ecnWpmtrlnrohtdlak1mAphadlnpso0aotteyeaohtlo0sfsrlserzrnehorteaoadtsepschiictormldtn,puwitseooipgrmg.bnspanoreesieti.lsndnbarorBenedaeamwconsgrcatlbh,ocitashWpohiba1youespolnn9ulletnttcoillhsui9hstneedcorer9iecsekisbnetoonts1gldelacfoat9brdnufohbooo9odcuaoud9rttlthenpdd rTaenhloiiasthbelexerpmdearetitaehnaoctdethtlheeadltoDwwuoPlueolvdnetblsteoimnwwoorrhekicswehniwtshietaivwdeeiafrfenedirneptnertorecvsoitdneedtr.amcot raensaclyietinctaiflilcaablloyraatcocruyroatne and J) December 9,2004 Barbara J.

- 3V- 7 A R .& Z6 - }lf 1 ORGANIC FLUOROCQMP PONDS IK BLOOD In May, 1978/ 3M informed Du Pont of findings of organic fluorocompounds in blood of employees exposed to long-chain perfliioro-surface active materials. 3M reported airborne contaminant levels up to 81 ppm in their operations and organic fluorine blood levels of 1 to 71 ppm for exposed workers. 3M reports that some level of organic fluorine in humans is normal/ i.e. equal to or less than 1 ppm.

jf - f f Anthony F.

AR226-3650 Attachment A 000003 " > r4,~ V ANALYTICAL REPORT ST LT R E N T STL Denver 4 9 5 5 Yarrow Street Arvada, CO 8 0 0 0 2 Tel: 30 3 7 3 6 0 1 0 0 Fax: 3 0 3 4 3 1 7171 w w w .stl-inc.com PFOA Analysis Lot#: D6A270318 Dale VanDeVelde GE Plastics State Route 892 DuPont Road PO Box 68 Washington, WV 26181 Severn Trent Laboratories, Inc.

Atlanta Denver Los Angeles Philadelphia T homas b .

'3/ Qb J f-y*oc-3l5~ Garfield water Department Client Sample ID: Gli B U M D C D PARX PUKP STATION HPLC Lot-Sample fi... ; D8C060309-001 Work Order f . : KH51C1AA Date Sampled__ : 03/05/08 09:00 Date Received..: 03/06/08 Prep Date..... : 03/10/08 Analysis Date..: 03/12/08 Prep Batch ff___: 8070135 Analysis Time..: 22:21 Dilution Pactor: 1 Method DEN -LC-0012 Matrix PARAMETER PROS PFOA RESULT 0 .0 2 1 0.038 REPORTING LIMIT UNITS 0.010 ug/L 0.015 ug/L SURROGATE 13C4 PFOA 13C4 PFOS PERCENT RECOVERY 67 41 * RECOVERY LIMITS (50 - 200) (50 - 200) BOIB(S): ________________ * Sum m it recovery ti outtide rated conirot lmiti

Jean B.

Analytical Report Fluorochemical Characterization of Aqueous Samples Decatur Outfall 001 FC Monitoring (E03-0326) Exygen Research Laboratory Report No.