TRADE SECRET AR226-3182 DuPont-6711 Study Title Jff^ Acute Oral Toxicity Fixed Dose Method Laboratory Project ID: DuPont-6711 TEST GUIDELINE: OECD Guidelines for Testing of Chemicals Section 4: Health Effects, No. 420 (1992) AUTHOR: Carol Finlay, B.A.

AR226-3189 DuPont-7326 TRADE SECRET Study Tide H-25006: Bacterial Reverse Mutation Test with an Independent Repeat Assay Testing Guideline OECD Guidelines for Testing of Chemicals Section 4: Health Effects, No. 471 (1998); OPPTS Guideline 870.5100 Authors Valentine 0.

- Corporate Occupations Medicine 3pMeCanme,iBiEneg 2TM203005 AR226-0473 651733 5066 Fox 3M 5.

AR226-2550 DuPont Washington Works RCRA Facility Investigation Results Review Oct.28,1999 * * * * IID156232 Proposed Agenda Introductions Site Background Site Hydrogeology RFI Scope of Work RFI Results Conclusions and Recommendations Wrap-Up EID156233 Desited Meeting Outcomes To familiarize the EPA project team with the Washington Works site physical setting To share the results obtained from the recently completed RCRA Facility Investigation To provide perspective on the RFI results To propose a path forward that will ensure continued protection of human health and the environment SID156234 Main Messages for Today: The DuPont Washington Works site is well characterised and well understood, as a result of over 10 years of investigation and monitoring, The combination of TRMs and the active site hydraulic control program ensure protection of human health and the environment from site SWMUs.

AR226-2975 THAOE SSCHET SlUilyJ]!

TRADE SECRET AR226-3084 Study Title H-23004: ORAL APPROXIMATE LETHAL DOSE (ALD) IN RATS LABORATORY PROJECT ID: HL-1997-01291 AUTHOR: Tracy A.

Corning 14azietonInc.

BIOCONCENTRATION TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may also be referredtoas PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC116, FC-1 26, FC-169, or FC-143.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFC-603EF. (1Octanesulfoniaccid)(CAS # 2795-39-3).

BIODEGRADATION (MANOMETRIC RESPIROMETRY -AEROBIC) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-3041. (1Octanesulfonicacid)(CAS # 2795-39-3).

HAZLETON W W IS C 0 N S IN PC S - 0 iC 6 C) x 7 54 5 M;,D!

I~ Environment Environnement Canada Canada p. 1 3593 Consultation Notice / Avis de consultation Action Plan on Perfluorocarboxylic Acids and Precursors / Plan d'action pour les acides perfluorocarboxyliques et leurs precurseurs Dear Sir or Madam, Monsieur, Madame, The purpose of this letter is to inform you Par la presente, Environnement Canada of Environment Canada's intention to hold desire vous informer de son intention de consultations on proposed actions tenir des consultations portant sur les addressing perfluorocarboxylic acids actions proposees visant les acides (PFCAs) and their precursors . perfluorocarboxyliques (APFC) et leurs precurseurs .

BACK TO MAIN INHIBITORY EFFECTS OF L-13492 ON ACTIVATIED SLUDGE RESPIRATION ~ jIl REPORT COMPLETED: July 26,1995 Prepared by: SusrvlA.

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AR226-3180 DuPont-6405 TRADE SECRET Testing Guidelines International Conference on Harmonisation (ICH) of Technical Requirements for Registration of Pharmaceuticals for Human Use.