Attachment 2 Analytical Report Air Sampling Fluorochemical Report DuPont Washington Works - Air Sampling Program Round 5 Exygen Research Report No.

AR226-2093 Industrial Hygiene Sample Date Range Concentration Range A ction Level 1/1IBS 100% Sample D t sam ple# D uration Type Employee Name BTO : 08 TEFLON tO C : 701 FINE POWDER DRYER-EAST SIDE #2 5/26/55 46259 7/1/85 46260 9/16/85 46261 9/22/85 46262 330 Z 345 z 360 z 330 z 1201/85 ' P eis Chemical C-a/FC-143 C-8/FC-143 C-0/FC-143 0 8 /F C -1 4 3 BTO: 06 LO C: 702 TEFLON FINE POWDER DRYER CONTROL ROOM (ALSO SEE TTF031 2/19/85 36576 300 z C-8/FC-143 3/16/85 36877 320 z C-8/FC-143 4/15/85 36578 380 z C-8/FC-143 6/1105 36606 360 z C-8/FC-143 7/4/85 36895 300 z C-8/FC-143 9/17/85 36897 360 z C-8/FC-143 BTO : 06 TEFLON LO C : 703 FINE POWDER PACKOUT ROOM 3/27/85 34490 390 z C-8/FC-143 BTO : 08 TEFLON LO C : 704 A/S - FINE POWDER 0 8 WEIGH HOOD 5/26/85 34866 330 z 8/20/85 34963 360 z C-8/FC-143 C-8/FC-143 BTO : 08 TEFLON LO C : 70S DISPERSION PACK OUT AREA 8/20/85 37361 360 z ' C-8/FC-143 BTO : 08 TEFLON LOC : 706 FINE POWDER DRYER #3 2/19/85 34221 300 z 3/27/85 34222 410 z 3/27/85 34223 420 z 4/14/85 34224 380 z Tuesday, May23,20001:34:25 PM C-8/FC-143 C-8/FG-143 C-8/FC-143 C-8/FC-143 Cone Unit Percent 1.58 MPB 0 3 6 MPB 0.137 MPB 0335 MPB 282.1% ** 643% 245% 893% 0.40 MPB 0 3 6 MPB 0.06 MPB 0.56 MPB 10.04 MPB 2397 MPB earn 643% 107% 100.0% ** 1792.9% ** 5302% ** 0.2 MPB 35.7% 5.45 MPB 1.1 MPB 973.2% ** 196.4% " 0.083 MPB 148% 0 2 8 MPB 0 1 4 MPB 0.33 MPB 0.06 MPB 80.0% 25.0% 589% 107% Pagel o f14 AJP000488 EID072894 i ,/ Sample Dt Sam ple# Duration Type Employee Name 4/15/85 34225 4/22/B5 34226 6/11/85 34245 7/3(85 34244 9/17/85 34246 9/25/85 34247 10/20/85 34248 are x 0 z 360 Z 320 Z 360 Z 330 Z 360 Z BTO : OB LO G : 700 TEFLON P/S - FINE POWDER FACKOUT (OQPJ) 6/2/85 9397 300 P 6/26/85 9366 360 P B T O : OB LO G : 709 TEFLON D R Y E R aO A T A T lO N T A N K 4/15/85 34294 350 Z BTO : 08 LOG : 712 TEFLON NORTH END OF DRYER #3 7/4/85 46317 400 Z 9/17/85 46318 390 Z BTO : 08 TEFLON LO G : 714 C-8 STORAGE ROOM 7/7/85 46093 420 Z BTO : 08 LOG : 715 TEFLON SOUTH END DRYER #2 2/11/85 45987 340 Z 4/22/85 45988 0 Z B/26/85 45069 330 Z BTO : 08 UOC: 719 TEFLON MOISTURE CHECK 7/1/85 29564 330 P 7/2/85 29563 330 P 7/5/85 29562 380 P BTO : 08 LOG: 72) TEFLON INJECTION PUMP AREA 5/26/85 39629 330 Z Tuesday, May 23.20001.-34:25 PM P eis Chemical C-8/FC-143 C-8/FC-143 ' C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/PC-143 C-8/FC-143 Cone Unit 0.12 MPB 0.18 MPB 0.88 MPB 8.77 MPB 1.711 MPB 0953 MPB 3.827 MPB Percent 21.4% 32.1% 157.1% ** 1566.1% ** 3055% ** 1103% ** 683.4% ** none C-8/PC-143 none C-8/FC-143 0.8 MPB 0 3 MPB 1429% ** 53,6% C-8/FC-143 1JS3 MPB 273.2% ** C-8/FC-143 C 8/F C -143 3.63 MPB 0.61 MPB 648.2% ** 1089% " C-8/FC-143 0.45 MPB 60.4% 08/FC -143 C-8/FC-143 C-8/FC-143 0 3 3 MPB 0.15 MPB 1855 MPB 539% 26.8% 3313% " none C-8/FC-143 none C-8/FC-143 none C-8/FC-143 0.03 MPB 0 .0 3 MPB 02 MPB 5.4% s.4% 35.7% C-S/FC-143 1.42 MPB 2S3.6% " Page 2 of 14 AJP0G0489 EID072895 Sample Dt Sample # Duration Type Employee Name Pers Chemical BTO : 08 TEFLON LO C: 728 WAX ROOM -B -16 2 - 1ST FLOOR 3/16/85 37184 315 Z BTO : 03 TEFLON LO C : 730 BLDG 1 6 2 -GENERALAREAS 6/11/85 33764 360 Z BTO: 08 LOC 7 3 1 TEFLON A /S - INSIDE F.P.

AR226-2315 Charles J Zarzecki 03/19/200311:31 AM To: Catherine A Barton/AE/DuPont cc: Subject VVV C8 Modeling Cathie, I took a look at the location of the maximum predictions in the W V C8 modeling summary.

AR226-2433 Aj n EPA/STATE iltriFiCATlOH ON FC-143 RESULTS ON LOCAL LANDFILL (Letter, Stewart to Robert L.

AR226-2637 AR226-2637 PHASE I SUPPLEMENTAL RCRA FACILITY INVESTIGATION REPORT DUPONT FAYETTEVILLE WORKS FAYETTEVILLE, NORTH CAROLINA Preparedfo r DuPont Fayetteville Works Highway 87 South Fayetteville, NC 28302 RCRA Permit No.

RECYCLED CD AR226-2686 AR226-2686 Perfluorinated Surfactants rDupont / UvA / RIKZ Meeting, 07-05-2002 Perfluorinated surfactants A desk study on the use and environm ental effects o f perfluorinated surfactants in the Netherlands Floris Hekster & Pim de Voogt A desk study commissioned by th e Dutch Ministry of Transport, Public Works and W a te r Managem ent__________________________ E ID 6 7 6 8 0 3 1 Perfluorinated Surfactants rDupont / UvA / RIKZ Meeting, 07-05-2002 Outline of the presentation Goals " M iib !

m AR226-2749 Copies to Haskell U b r ; i J Uf ^ ,' 02 c S r " y tor Toxicology r * an dh" I n du s t ri a l Medicine __ _______________ HASKELL LABORATORY REPORT NO. 160-69 Material Tested: Ammonium Perfluoro'octanoate Haskell No.: Other Codes ; # v l . (1) PeVilbls eenerat" "ere "sed -- alnm pertluorooctan.af erosols.

FOR DU PONT USE ONLY AR226-2763 S.

FOR DD PONT SE ONLY AR226-2906 E.

AR226-3125 DuPont-3105 HASKELALNLDAIBNODRUASTTORRIAYLFMOERDTICOIXNIECOLOGY H-241T1O9:FSATTAHTEIACD, AMCIUNTNEO9W6-SH, OPiUmRepShCalReEs pErNoImNeGlasTEST PURPOSE: Ttheisst cisonacreanntgreatfimondsinagnsdtuddaytadmeseiagsnuerdemtoepnrtsovaitdpereadneetesrtimmianteedoifnateqruvaatlisc. toxicity using fixed GENERAL INFORMATION WORKMHRSYEAAQNSTSKUOEEREENRLISYAVTLMLICNNSTEUU/CEMMCOSOTBBDEDEEEDRRES1 NOTSEUCBOBCNONMOOOTIMTTKAETPSMNBOEPIUOORSNMI'NOASTSKBNIOOETIRDNS:!

M326 -- 3262 " 125231:OneGeneration Reproduction Stody in ats #R2a6 _ 3263 Duron: 9763 `TRADE SECRET Study Title 'H-25231: One-Generation Reproduction Study in Rats Volume 1 of3 `Laboratory Project ID: DuPont-9763 AUTHOR: Eve Mylchreest, Ph.D

Microsoft Teams meeting Join on your computer or mobile app Click here to join the meeting Join with a video conferencing device @defra.onpexip.com Video Conference ID: 129 429 046 5 Alternate VTC instructions Or call in (audio only) ,207307825# United Kingdom, London Phone Conference ID: 207 307 825# Find a local number I Reset PIN Learn More I Meeting options Information in this message may be confidential and may be legally privileged.

Society of Environmental Toxicology & Chemistry Summary of DuPont Presentations AR226-3348 SETAC North America November, Austin, TX Development of analytical methodology for determination of Telomer B alcohols, nonionic fluorosurfactants, and polymers.

10991263, 1991, 1, Downloaded from https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/10.1002/jat.2550110110 by Sidd Shenoy , Wiley Online Library on [29/08/2023].

~ K atherine E .