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s t a t i c . s c o t s sc-k o o k s c u m s t s s t 09 0-21095 t o raantfts waits, n w r t w l t o remits PURPOSE: This is a rangefinding study designed to provide an estimate of aquatic toxicity using fixed test concentrations and data measurements at predetermined intervals.

A R M S - Vl-2 000202 F&F DEPARTMENT EC-143 DATA FEBRUARY, 1980 SITE NAME Weeks Workplace* Exposure Blood Analysis_________ Cone.

Alate- W 65 H 000646 W W APFO in Blood, 1985 and 1984 Job Category Employee Number ppm APFO Job Averages 1984 1985 1984 1985 08PE 2.5 2.4 08PE 0.24 0.26 08PE 1.1 0.76 08PE 24 18 08PE 4 2.9 6.368 4.864 Q8PF 2.6 2.6 08PF 0.07 0.06 08PF 4 2.7 08PF 1.9 1.2 08PF 8.7 9.2 3.454 3.152 08PF 22 08PH 4.2 08PH 0.75 0,5 0.75 2.35 08PI 2 08PI 0.5 0.4 1.25 0.4 18PA 0.76 0.76 18PA 0.55 18PA 0.4 0.76 0.57 18PB 1.3 1.2 18PB 3.6 18PB 0.77 0.62 18PB 4,5 2.5425 0.91 18PC 0.52 0.52 18PD 0.09 0.09 18PJ ) 18PK 0.93 0.06 0.93 Number of samples Average Minimum Maximum 19 22 3.38 2.34 0.07 0.00 24 18 etfaefetf-Privacy A/W6 - } U-G!

i t: IRC Summary Analyte Peak Name PFOA 2 S_13C_PFOA PFNA 2 S_13C_PFNA PFOS 2 S_13C-PFOS PFDA 2 S_13C-PFDA PFUnA 2 S_13C-PFUnA PFDS 2 PFDoA2 S_13C-PFDOA PFTrA 2 PFTeA2 p. 1 Created with Analyst Reporter Printed: 14/02/2010 6:41:00 PM RT (Expected) 1.38 (1.36) 1.38(1.36) 2.34 (2.44) 2.30 (2.44) 2.35 (2.53) 2.36 (2.53) 3.32(3.34) 3.31 (3.34) 4.12(4.06) 4.12(4.06) 4.13 (4.10) 4.76 (4.64) 4.76 (4.64) 5.29(5.13) 5.74(5.56) Area 1629900 2766100 355520 2154600 1159300 6761100 156690 2111500 171520 172740 1260200 163950 199680 142130 108440 Modified?

Electronically Served 9/22/2017 10:30 PM Hennepin County, MN 27-CV-10-28862 Filed in Fourth Judicial District Court 11/17/2017 7:13 PM Hennepin County, MN Expert Report of Jamie C.

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'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) US00005399 '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: CC: Sent: Subject: Attachments: Fletcher, Steven G CIV NAVSEA HQ, SEA 05 Rausch, Gene A CIV CNIC HQ, N3 (gene.rausch@navy.mil); Simone, Joseph A CIV NAVFAC HQ, Cl; Glover, Carl CIV CNIC HQ, N3 (carl.glover@navy.mil) Hunstad, Mary P CIV NAVSEA HQ, SEA 05 (mary.hunstad@navy.mil); Berkoski, Daniel T CIV NAVSEA, SEA 05 12/8/2016 6:24:12 PM FW: Request for AECOM Support - FW: GAO 100947 FOLLOW-UP DRINKING WATER GAO 100947 FOLLOW-UP QUESTIONS.docx Gentlemen, For info. v/r, Steve Fletcher, P.E.

Withheld in Entirety US00007132

Withheld in Entirety US00007271

From: To: CC: Sent: Subject: Attachments: Berkoski, Daniel T CIV NAVSEA, SEA 05 John P.

Last Updated: June 10, 2016 Frequently Asked Questions: Perfluorinated Compounds (PFC)/ Perfluoroalkyl Substances (PFAS) I OP m i l I'NAI DON DM ONLY Approved by: DASN(E) l US00007481 Last Updated: June 10, 2016 1 Hil (111', SOURCE OF INFORMATION........................................................................................................................... 5 GENERAL....................................................................................................................................................... 5 What is PFC or PFAS?................................................................................................................................