From: To: CC: Sent: Subject: Attachments: Fletcher, Steven G CIV NAVSEA HQ, SEA 05 Berkoski, Daniel T CIV NAVSEA, SEA 05 Hunstad, Mary P CIV NAVSEA HQ, SEA 05 12/14/2016 6:00:28 PM RE: GAO 100947 FOLLOW-UP DRINKING WATER GAO 100947 FOLLOW-UP_QUESTIONS (2).docx Dan, Please review my responses to #11, 11a, 11b, and 11c. v/r, Steve Fletcher, P.E.

Department of the Navy (DON) Perfluorinated Compounds (PFCs) Comprehensive Strategy Version 1, 31 M ar 2016 BLUF: Perfluorinated Compounds (PFCs) are a suite of chemicals of emerging public health concern to the U.S.

GAO Review of DOD Drinking Water Contaminants (100947) Follow-up Questions on AFFF Products In our prior conversations with Navy officials, we have been told that DOD's AFFF MILSPEC calls for AFFF products to contain PFCs.

From: To: CC: Sent: Subject: Barylski Doug J NSSC Fink Jeff E NSSC Hunstad Mary P NSSC; McCrory Dennis M NSSC 11/9/2001 7:01:44 PM FW: AFFF: Sky is not falling Jeff, here is a write-up Jim Hill put together on AFFF that briefly synopsizes what's going on.

From: To: CC: Sent: Subject: Attachments: Yaroschak, Paul, Mr, OSD-ATL Barylski, Douglas J CIV NAVSEA HQ, SEA 05 Hunstad, Mary P CIV NAVSEA HQ, SEA 05; Lyons, Ken T CIV NAVSEA HQ, SEA 05 10/2/2008 7:30:00 PM RE: Phase-out of PFOA NFPA on AFFF June 08.pdf; NFPA on Fluorotelemers June 08.pdf; EPA PFOA-PFOS brief 3-08.ppt Doug: Thanks for the email.

Via Federal Express PUBLIC COPY y tthmamvuy-ij'iH^ { ^ '- ^ a AA * i February 20, 2008 Ooo Document Processing Center (Mail Code 7407M) Room 6428 Attention: 8(e) Coordinator Office of Pollution Prevention and Toxics U.S.

ORIGINAL DOES NOT CONTAIN CBI Jean B.

('C orporate Toxicology and Kegulatorv Services Tr, c uilding 0220-02-E-02 St.

3M ENVIRONMENTAL LABORATORY REPORT NO.

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

3M ENVIRONMENTAL LABORATORY REPORT NO.

INTERIM REPORT #1 - Analysis of Decatur Surface Water and Sediment Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, and Clams Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE March 18, 2008 TESTING FACILITY MPI Research, Inc. 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 42-02-E-27 St.

310 Bank Street Decatur, Alabama 35601 256.353.2910 tele 256.353.3944 fax www.TTyNC.com geotechnical analytical * materials * en v ir o n m e n t a l Decatur.

Attain-ooGI BIOACCUMULATION (ANALYTICAL ONLY) TEST SUBSTANCE______________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonicadd, 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.

Mll'Oioi PFOS: A FLOW -THROUGH LIFE-CYCLE TOXICITY TEST WITH THE SALTWATER MYSID (Mysidopsis bahia) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.