Document # List of Changes No.

Hazard Assessment and Biomonitoring Data on Perfluorooctane Sulfonate - PFOS I.

From: To: CC: Sent: Subject: Attachments: Sakai Civ Craig K Turner, Misha GS13 l&L, LFL; Henderson, Carrie McCarthy, Christine; Armel, Alaina; King, Thomas W CIV l&L; Tarker, Todd M WO AVN, APX/AVN; Pritchard, Michael CIV l&L, MCICOM G3; Adelson, Jordan M CIV SEA04X, LQAO; Williams, Scott R CIV MCI EAST; Hunstad, Mary P CIV NAVSEA HQ, SEA 05; Fletcher, Steven G CIV NAVSEA HQ, SEA 05; Sadorra, Robert A CIV NAVFAC HQ, EV; Mach, Richard CIV OASN (EI&E), ODASN (Environment); Nehm, Lindsay R CIV OPNAV, N45 12/8/2016 2:57:42 PM RE: Request for AECOM Support - FW: GAO 100947 FOLLOW-UP DRINKING WATER GAO 100947 FOLLOW-UP QUESTIONS.docx Misha : Here is how I see as the Marine Corps lead for responses being tasked.

DRAFT 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.

Withheld in Entirety US00005723

From: To: CC: Sent: Subject: Attachments: Fletcher, Steven G CIV NAVSEA HQ, SEA 05 Willey, Janice L CIV SEA04X, LQAO; Corl III, William E CIV Chemist, LQAO, C1198 Adelson, Jordan M CIV SEA04X, LQAO 3/15/2017 11:12:08 AM Newly Discovered PFASs Fields Article 2017.pdf New Jennifer Fields article.

From: To: Sent: Smith, Gordon CIV SEA 05 Aucoin, Ralph D CIV CNAL, N430; Aulson, Michelle J CIV NSWCCD West Bethesda, 6330; Baur, Jeffrey A.

State of Knowledge on Per- and Polyfluoroalkyl Substances (PFASs) at Military Sites Jennifer Field, Ph.D.

Department of the Navy (DON) Perfluorinated Compounds (PFCsVPer and Pol Him all vl.

From: Sent: To: Subject: Show Time As: Murtha, Veronica E CIV NAVSEA, SEAOOL </0=0RGANIZATI0N/0U=FIRST ADMINISTRATIVE G ROUP/CN=RECI PIENTS/CN=VERONICA.

From: To: CC: Sent: Subject: Attachments: Turner, Cheryl A CIV NAVSEA HQ, SEA 05 ront@fireade.com Fletcher, Steven G CIV NAVSEA HQ, SEA 05; Hunstad, Mary P CIV NAVSEA HQ, SEA 05; Berkoski, Daniel T CIV NAVSEA, SEA 05; Butler, Kesha L CIV NSWCCD W.

Withheld in Entirety US00005805

A001202 > o o t-Ol o l\J* US00006579 5-s ' c r s ' l v / ^ ' oPpJ'^ /V T ^ J J 1/ 09/16 '96 12:34 [D :SCD 223-6S-04 3M Light WaterTM 6% AFIT FC-206CF FAX :612-736-8643 PAGE 2 Technical Information DesoHptlon Light Water FC-206CF 6 % AFFF1, is LI synthetic llrcflgiiting fount concentrate designed for use on noil-polar, hydrocarbon hazards, When proportioned with water and applied with conventional foam or watcr/fog equipment.

From: To: CC: Sent: Subject: Attachments: Tom Cortina Hunstad, Mary P CIV NAVSEA HQ, SEA 05 Fletcher, Steven G CIV NAVSEA HQ, SEA 05 1/12/2017 7:53:34 PM [Non-DoD Source] Lab Proficiency Report NMI Proficiency report 2016 - PFOS & PFOA lab sampling-AQA16-06.pdf Mary, Here is the Australia lab proficiency report I mentioned.

US00006835 From: To: DEPARTMENT OF THE NAVY , NAVAL SHIP RESEARCH AND DEVELOPMENT CENTER HEADQUARTERS BETHESDA, MARYLAND 20034 ANNAPOLIS LABORATORY ANNAPOLIS, MD 21402 CARDEROCK LABORATORY BETHESDA, MD 20034 IN REPLY R EFER TO: 286:CSA 9593 2863-515 5 OCT 1976 Commander, David W.