Northwest Bioanalytical Study No.

Summary E04-0909 AMnuanliycsiipsaoliftyPFOA and PFOS in Water Samples from Hastings E04-0910 AGnroavlyesMis uonfiPciFpOalAityand PFOS in Water Samples from Cottage E04-0911 AMnuanliycsiipsaoliftyPFOA and PFOS in Water Samples from Oakdale E05-0007 AOnakaldyaslies, oMfNPFOA and PFOS in Aqueous Samples 3M Dyneon, E05-0074 MAnuanliycsiipsaoliftyPFOA and PFOS in Water Samples from Oakdale Feb. 1, 05 ManidnnPeFsOoStaODaekpdaartlme PenrotjoefctHealth Data Validation for PFOA 3

AR226-2729 E.

AR226-3101 ]- Wit/VFJ Huntingdon i= CONFIDENTIAL DPT434/984093 BACTERIAL M UTATION ASSAY Sponsor DuPont Specialty Chemicals, JCahcakmsobnerLsaWboorraktos,ry, NDUSeJeA0p8w02at3e,r, Research Laboratory Huntingdon Life Sciences Ltd., ESuyfef,olk, IEPN2G3 L7APXN,D Final report issued 1 October 1998 _ y Company Sanitized.

p. 1 Created with Analyst Reporter Printed: 14/02/2010 6:41:00 PM Project Data File Result Table Instrument Name Ewan's ProjectsVPFCs 02081 Ob\SamplesLong.wiff 02081 OSamplesLong.rdb API 5000 Sample Name Acquisition Date Acquisition Method Injection Vial K1000968-002 2/9/2010 12:18:12AM PFCkinetexLong.dam 22 Injection Volume Sample type Dilution Factor Weight to Volume 5 Unknown 1.00 0.00 Results Summary Analyte Peak Name IS Name PFOA 1 13C-PFOA PFNA 1 13C-PFNA PFOS 1 13C-PFOS PFDA 1 13C-PFDA PFUnA 1 13C-PFUnA PFDS 1 13C-PFOS PFDoA 1 13C-PFD0A PFTrA 1 13C-PFDOA PFTeA 1 13C-PFDOA IS Area 3021500 2357900 5613800 2837200 126120 5613800 161840 161840 161840 Analyte RT (Exp RT ) 0.00(1.36) 0.00 (2.42) 2.38 (2.53) 3.34 (3.34) 4.14 (4.06) 0.00 (4.10) 0.00 (4.63) 0.00 (5.14) 0.00(5.74) Analyte Area 0 0 28597 12002 5957 0 0 0 0 Calc.

3 3M Environm ental Laboratory E05-0210 Interim R eport#13 Interim Report #13: Analysis of Tennessee River Water Samples Study Title A P (PFBS), Pn a l y s i s o f e r f l u o r o b u t a n e s u l f o n a t e erfluo ro hexanesulfonate (PFHS), a n d Pe r f l u o r o o c t a n e s u l f o n a t e (PFOS) in Wa t e r , So i l , Se d i m e n t , Fi s h , C , V , Sl a m s e g e t a t i o n m a l l Ma m m a l Liv e r a n d Sm a l l M Sa m m a l e r u m Us i n g LC/MS/MS 3M D M Pf o r t h e e c a t u r o n it o r in g r o g r a m Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR 792 Author Michelle D.

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.

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

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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.