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DEPARTMENT OF THE NAVY NAVAL RESEARCH LABORATORY 4555 OVERLOOK AVE SW W ASHINGTO N DC 20375-5320 N TO: 3900 Ser 6180/0100 From: Commanding Officer, Naval Research Laboratory To: Commander, Naval Sea Systems Command (SEA 05P5 S.

>EPA United States Office of Water EPA 822-R-16-005 Environmental Protection Mail Code 4304T May 2016 Agency Drinking Water Health Advisory for Perfluorooctanoic Acid (PFOA) Drinking Water Health Advisory for Perfluorooctanoic Acid (PFOA) - May 2016 1 US00001723 Drinking Water Health Advisory for Perfluorooctanoic Acid (PFOA) Prepared by: U.S.

Cliarig Ih ta PhoP, prtax Corporation, f USA US00002747 ju ry 2 S ; n m . .SFACIANTS US00002748 DC-10 (Caafhieafd Fl, SCB| Crash A w al I,AM fCiardi f :1S?

US00002820 W* / \ D | i|| : for natural and I v J 1 buittassets I TT iTt m Mm IHlk JIm m H iLr 44M4m' IIIL J_1 I wwtmm S11444M"m0 JmW Overview of the PFAS issue to provide the knowledge needed to avoid impulsive reactions Understand how PFAS reacts in the environment to ensure the most appropriate sampling and analytical methods and treatment technologies are selected Have the information needed to allow you to focus on your mission and direct your program going forward.

Naval Research Laboratory Washington, DC 20375-5320 NRL/M R/6180--98-8141 Evaluation of the Effects of AFFF Inputs to the VIP Biological Nutrient Removal Process and Pass-through Toxicity--Phase IA M ujde E rten-U nal S.

From: To: CC: Sent: Subject: Attachments: Turner, Cheryl A CIV NAVSEA HQ, SEA 05 John@fomtec.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.

From: To: CC: Sent: Subject: Attachments: Hunstad, Mary P CIV NAVSEA HQ, SEA 05 Murtha, Veronica E CIV NAVSEA, SEA 00L; Fletcher, Steven G CIV NAVSEA HQ, SEA 05 Berkoski, Daniel T CIV NAVSEA, SEA 05 11/4/2016 2:08:27 PM RE: AFFF 16-10-28 PFAS Vendor Notification Letter Generic Rev5 vem cmts.docx AFFF 16-10-28 PFAS Vendor Notification Letter Generic Rev5 vem mph cmts.docx v/r, Mary Hunstad TWH - Fire Protection Systems And Material Fire Performance SEA 05P5 WNYD, bldg. 197, 3W-2827 202-781-3632 ......Original Message......

From: To: CC: Sent: Subject: Attachments: John P.

From: To: CC: Sent: Subject: Fletcher, Steven G CIV NSWCCD PHIL, PA Smith, Gordon CIV SEA 05 Aulson, Michelle J CIV NSWCCD West Bethesda, 6330 9/30/2013 5:57:32 PM RE: UNDS AFFF PREAMBLE LANGUAGE QUESTION RESPONSE I'm not sure what the answer to your question is.

final are rfv.sx PFCs are a large group of man-made chemicals that have been used since the 1950s.

GLP10-01-02; Interim Report 28 - Analysis of PFBS, PFHS, and PFOS in Groundwater Samples Collected at the Former Sludge Incorporation Area (FSIA) located in Decatur, AL, March/April 2012 Study Title Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sediment for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 P h o n e :610-701-3761 Author Susan W olf 3M Environmental Laboratory Interim Report Completion Date Date of signing Performing Laboratory 3M Environmental Health and Safety Operations Environmental Laboratory 3M Center, Bldg 260-05-N-17 St.

3M Environmental Laboratory Final Project Report Amendment Project number: E12-0849 Project title: "Analysis of PFOS, PFHS, PFBS and PFOA in Soils from Decatur, AL in December 2012" Project Lead: Cleston Lange Amendment date: 2/13/2013 Am endm ent number: 01 This amendment modifies the following portion of the final report: 1) Correction to the title of Table 1 2) Update the title page to refer to the amended report as revision 1 3) Corrections to Table 11 and 12 based on Weston comments.

SEVERN TRENT STL STL Chicago 2417 Bond Slreel University Park, IL 50465 Tel: 70S 534 5200 Fax: 708 534 5211 www.stl-inc.com SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER; 232883 Prepared For: Weston Solutions/ Inc: 1400 W e s t o n Way .