Withheld in Entirety US00005725

Withheld in Entirety US00005736

GAO RevieFwolloofwD-uOpDQDureinsktiinognsWoanteArFCFoFnPtarmodinuacntsts (100947) In our prior conversations with Navy officials, we have been told that DOD's AFFF MILSPEC pcasreahpeqlaprlssuleloiafrcnoerosnrmneAteshlFniwasFtttshFotehsfnppefrleuuorceosdielrfueoidecvcdtafsaonhrtrbtoeiolrtascennoinigsnnauutteafratfniegnadrec.ePtaTidFsnhCpatesuss.rmppfoBlaoulaltssoesewroe.iadts"hl eo(sfnrrhocaomolulmhrpapraevogveueinen5dwosoaofadftshtvheereerdsqAeouFcierFuefmFfdeecMtontItoLc):nSon"PtChfEoeorCnmh,ceeitatonlttthrhaeotefs 1.

PERFORMANCE CHALLENGES OF FLUORO FREE FOAMS Ted H.

From: To: CC: Sent: Subject: Hunstad, Mary P CIV NAVSEA HQ, SEA 05 Mcdaniel, Paul CIV EXWC, EV13 Novstrup, Vern CIV EXWC, EV11; Courtney, Tanya M CIV EXWC, EV12; Kaempffe, Ken CIV EXWC, EV NESDI PM; Venable, William D CIV EXWC, EV1 10/19/2016 7:56:40 PM RE: AFFF testing MILSPEC and PFCs (UNCLASSIFIED) Paul - I can call you tomorrow.

From: To: CC: Sent: Subject: Attachments: Berkoski, Daniel T CIV NAVSEA, SEA 05 Mach, Richard CIV OASN (EI&E), ODASN (Environment); Hunstad, Mary P CIV NAVSEA HQ, SEA 05 John P.

f/ITSDR AGENCY TCP " C'X:C SUBSTANC a?

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Withheld in Entirety US00005476

NRL RESPONSE TO 19392C4 - FIREFIGHTING FOAM INQUIRY John P.

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

From: To: CC: Sent: Subject: Attachments: Fletcher, Steven G CIV NAVSEA HQ, SEA 05 John Farley (john.farley@nrl.navy.mil) Berkoski, Daniel T CIV NAVSEA, SEA 05; Hunstad, Mary P CIV NAVSEA HQ, SEA 05 (mary.hunstad@navy.mil) 12/15/2016 5:32:07 PM FW: GAO 100947 FOLLOW-UP DRINKING WATER GAO 100947 FOLLOW-UP QUESTIONS rev3.docx Need to talk about this with you ASAP. v/r, Steve Fletcher, P.E.

ences ei inoiogy Article pubs.acs.org/est Discovery of 40 Classes of Per- and Polyfluoroalkyl Substances in Historical Aqueous Film-Forming Foams (AFFFs) and AFFF-Impacted Groundwater Krista A Barzen-Hanson, Simon C.

Department of the Navy Naval Sea Systems Command 1333 ISAAC Hull Avenue SE Washington Navy Yard DC, 20376-7026 ANGUS June 24, 2016 Dear Mr Fletcher, Re: PFOA and PFOS Content inquiry of Products on Qualified Products List (QPL-24385) Following Mr Konen's recent correspondence, 4123, Ser 05S/2016-222 dated May 2 6 ,1am pleased to include technical data on the product content of PFOA and PFOS in our QPL listed products TridoP M3 and TridoP M6.

NAVAL RESEARCH LABORATORY WASHINGTON, D.C. 20375 iInN rR eE pP lL yY rR eE fF eE rR tTOo :: 6180-148:HBP:cak 7f From: Commanding Officer, Naval Research Laboratory To: Commander, Tyndall Air Force Base (Det. 1 Civil & Environmental Engineering Development Office) Tyndall AFB, Florida 32403 Subj: Draft copy of final report on the project "Improved Environmental Properties for AFFF," forwarding of Enel: (1) Copy of subject report. 1.