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Attachment 2 Analytical Report Air Sampling Fluorochemical Report DuPont Washington Works - Air Sampling Program Round 7 Exygen Research Report No.

Proven Results.

3M General Offices AR226-1895 3M Center St.

AR226-2462 From: Daw n D Jackson on 06/23/99 07:55 A M To: Robert L Rrtchey/CL/DuPont@DuPont.

AR226-2525 - /X S O O C A S ~ *>/' 3_CJ, cJO r) C ^ S PENNY, m e r e ARE THE R E S U L T S FOR THE C-rQ IK WA TE R S A M P L E S T H AT YOU TE-RY .

AR226-2615 AR226-2615 Draft This report was not issued as shown, but was incorporated into larger Chambers W orks report under the Consent Order.

RECYCLED '4 AR226-2657 AR226-2657 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed in support of anticipated updates to R13 permits 1953A and 2365B at the DuPont Washington Works site.

1 -------------------------------------------------------------------------------------------------------- IU A 6 - 3 -2 7 / 453 A M - /327 DuPont-11604 TRADE SECRET Study Title H-25435: Influence on Growth and Growth Rate of the Green Alga Selenastrum capricomutum Laboratory Project ID : DuPont-11604 Test Guidelines: OECD Guideline for Testing Chemicals Section 2: Effects on Biotic Systems, Number 201 (1984) Commission Directive 92/69/EEC EEC Method C3 (1992) Author: Terry Lee Sloman, B.S.

% AR226-3322 P raJiH 'inav'j S c e ^ O oOMMCa i m <y- Tay Perfluoroalkyliodide (Rfl) Homologue Distributions DuPont currently producesMBdistinct pure homologue or mixed homologues distillation cuts -.\ - Homologue distributions, and therelative balance between products, are governed by iht0|hi lrrd|extrnal customer requirements DuPont Confidential - Draft!!

AR226-3353 1 A Typical Fluorotelomer-Based Polymer ^ueous Dispersion of.... iQ-200 nm Polymeric Particles, > 3 4 ) Ready Biodegradation : Methods 6 8 F(CF2)7!

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Frequent Questions | PFOA and Fluorinated Telomers | OPPT | OPPTS| US EPA Page 1 of 5 Perfluorooctanoic Acid (PFOA) and Fluorinated Telomers Yfs:i 3m hr rr : EPA Home Chemical Safetv and Pollution Prevention Pollution Prevention & Toxic Perfluorooctanoic Acid (PFOAI and Fluorinated Telomers Freeue-u Questlons Frequent Questions___________________________ What is PFOA?

'ECHA EUROPEAN CHEMICALS AGENCY Committee for Risk Assessment (RAC) Committee for Socio-economic Analysis (SEAC) Opinion on an Annex XV dossier proposing restrictions on Perfluorooctanoic acid (PFOA), its salts and PFOA-related substances ECHA/RAC/RES-0-0000006229-70-02/F ECHA/SEAC/RES-0-0000006229-70-03/F Compiled version prepared by the ECHA Secretariat of RAC's opinion (adopted 8 September 2015) and SEAC's opinion (adopted 4 December 2015) US00004956 'ECHA EUROPEAN CHEMICALS AGENCY 8 September 2015 ECHA/RAC/RES-0-0000006229-70-02/F 4 December 2015 ECHA/SEAC/RES-0-0000006229-70-03/F Opinion of the Committee for Risk Assessment And Opinion of the Committee for Socio-economic Analysis on an Annex XV dossier proposing restrictions of the manufacture, placing on the market or use of a substance within the EU Having regard to Regulation (EC) No 1907/2006 of the European Parliament and of the Council 18 December 2006 concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (the REACH Regulation), and in particular the definition of a restriction in Article 3(31) and Title VIII thereof, the Committee for Risk Assessment (RAC) has adopted an opinion in accordance with Article 70 of the REACH Regulation and the Committee for Socio-economic Analysis has adopted an opinion in accordance with Article 71 of the REACH Regulation on the proposal for restriction of Chemical names: EC No.: CAS No.: Perfluorooctanoic acid (PFOA), its salts and PFOA-related substances 206-397-9 335-67-1 This document presents the opinions adopted by RAC and SEAC.

From: To: Sent: Subject: Attachments: Berkoski, Daniel T CIV NAVSEA, SEA 05 Fletcher, Steven G CIV NAVSEA HQ, SEA 05 6/13/2016 10:56:46 AM FW: Recommended final set of PFC/PFAS FAQs 16-06-10.