AR226-2399 COMMUNITY STATUS VATER AIR SOLID VASTE 10635-1 - 03/08/69 - WBC:kt EID951507 RJZ009905 WASHINGTON WORKS OFF-PLANT EMISSIONS POUNDS C-8 1983 1986 ' 1988 WATER 21,700 19,100 23,300 AIR 12,700 16,200 26,200 PRODUCT 8,000 8,300 11,300 OFF-PLANT DISPOSAL 7,700 TO CW - WWTP TO LETART LANDFILL 8,300 9.000 2.000 50,100 51,900 71,800 RJZ009906 10635-2 - 03/01/19 - WIC:kst EID951508 C-8 LEVELS IN DRINKING WATER DISTANCE FROM NO. 5 OUTFALL (MILKS) PPB 1984 1987 1988 PARKERSBURG 7.50 UPSTREAM ND ND -- WASH WORKS 0.50 UPSTREAM ND ND ND LUBECK WATER DISTRICT 0.25 DOWNSTREAM 0.25 DOWNSTREAM 1.1 1.9 1.8 1.5 1.9 1.4 LITTLE HOCKING 3.00 DOWNSTREAM 0.6 ND ND RAVENSWOOD 29.0 DOWNSTREAM ND ND = NOT DETECTABLB RJZQ9907 10635-3 - 03/08/89 - WIC:kat EID951509 WASHINGTON WORKS C '8 ANNURL M E A N OONCEN T R A T /O N C A S E 1 - 1983 806<500ZftI EID951510 C-8 ENVIRONMENTAL PROGRAMS WATER CLOSURE OF SUPERNATE PONDS TIMING 4Q88 PURCHASE OF LUBECK WATER COMPANY - CLOSING TURN OVER TO DuPONT 3Q89 4Q91 REPLACEMENT OF C-8 IN FBP WITH TBSA POSSIBLE C-8 RECOVERY FROM FBP EFFLUENT 19X IN 1988 IN PROGRESS AIR FINE POWDER DRYER RECOVERY PROJECT UPDATE FENCE LINE MONITORING 4089 4Q89 RJZ009909 10635-4 - 03/08/09 - WKCkst EXD951511

AR226-2429 CONCEPTUAL CLOSURE PLAN - LETARTLANDFILL SW/NPBES PERMIT APPLICATION NO.

AR226-2613 AR226-2613 C:\Documents and Settings\BARTONC\Desktop\c8\chambers DISPERSION MODELING PROTOCOL Plant-wide C8 Emissions DuPont Chambers Works Facility Deepwater, New Jersey Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington, DE 19898 April 9,2003 DuPont Chambers Works Air Quality Modeling Protocol The following sections describe the dispersion modeling methodology to be employed in order to assess the locations of maximum ambient air concentrations resulting from C8 emissions at the DuPont Chambers Works facility located in Deepwater, New Jersey. 1.

AR226-2635 23 AR226-2635 AIR QUALITY DISPERSION MODELING ANALYSIS OF C8 EMISSIONS DuPont Fayetteville, North Carolina Facility Prepared by: Charles J.

RECYCLED I */ AR226-2654 AR226-2654 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed for the DuPont Washington Works facility to demonstrate that the emission limits included in Permit Application 2365D for the PFA(Cl-P) operation complies with the C-8 assessment of toxicity (CAT) recommended airborne screening level o f 1.0 ug/m3 at the property line fence.

AR226-2712 AR226-2712 Environmental impact of the Degradation of Materials Degradation of all materials, whether naturally occurring or man-made, necessarily produces chemicals as a result of the process.

F MAM - -3-2T/ TRADE SECRET ftkUM -.32X1 DuPont-11238 Study Title H-25357: Approximate Lethal Dose (ALD) by Skin Absorption in Rabbits Laboratory Project ID: DuPont-11238 A u t h o r : Carol Finlay, B.A.

r -- --------------------------------------------------------------------- -- -- -- *------------ AtM- 503 TRADE SECRET Study Title H-25425: Repeated-Dose Dermal Toxicity 28-Day Study in Male Rats DuPont-13830 Test Guidelines: U.S.

A R & A 6 _ 3 if- r 29 000250 AL NO.: -2239 -2240 -2241 -2242 -2243 -2293 -2294 -2295 -2396 -2397 -2530 -3906 -2531 -2532 -2533 -2534 -2613 -2614 -2615 -2616 -2617 -2618 -3910 -3915 -3919 -3912 -3913 -3907 -3911 -3909 -3914 -3917 OPERATORS OTHERS: DU FONT DE NEMO.URS (NEDERLAND) B.V. ________ DORDRECHT WORKS. 20 OCTOBER 1981 C-8 EXPOSURE rn POLYMER M n C-E. 1979 1978 1972 1977 1970 1972 1977 1969 1971 1979 1976 If 1973 1975 1972 1968 1968 1979 1970 1968 1975 1968 C-8 PPM IN BLOOD: POLYKItlkl fleams*.

Underwriters Laboratories Inc.

Open BCR meeting on the Universal PFAS restriction under REACH Gal 01.E.1 - Mahi Tahi Timing Intervention Participants 09:00 - 09:30 Connection and check-in 09:30 - 09:45 Introduction by MRBC (BECA REACH) 09:45 Agoria 10:00 Fipra 10:15 EEB/BBL 10:30 10:45-11:00 11:00 Q&A Break Parker Hannifin 11:15 11:30 Apple Pharma.be 11:45 Digital Europe 12:00 - 12:15 12:15 - 13:00 Q&A Closed session Feedback discussion on open session Discussion on PFHxA restriction Details

Table 15: Range, median and mean for each analyte in pg g-1 ww: detection frequency (%) for the food categories and total, for the individual countries.

Summary of Projects & Activities under SERDP & ESTCP Addressing Issues Associated with Per- and Polyfluorinated Alkyl Substances (PFASs) The first two links below provide a summary as of April 2016 of the research and demonstrations funded by SERDP & ESTCP addressing issues associated with perfluoroalkyl compounds.

GAO Review of DOD Drinking Water Contaminants (code 100947) Follow-up Questions for the Department of the Navy Note: These questions are addressed to the Department of the Navy, to answer on behalf of both the Navy and the Marine Corps.

From: To: Sent: Subject: Attachments: Berkoski, Daniel T CIV NAVSEA, SEA 05 Fletcher, Steven G CIV NAVSEA HQ, SEA 05 12/13/2016 3:33:23 PM AFFF 16-10-28 PFAS Vendor Notification Letter Buckeye Rev1 AFFF 16-10-28 PFAS Vendor Notification Letter Buckeye Revl.docx smime.p7m See edits in attached.