9n&uM/iuiL B IO - T E S T JaJxm iotiei,, Jnc. 1810 f r o n t a g e r o a d NORTHBROOK.

r > r' \2-44 Rivi/ mm ISUtnsmoiBc; E. du Pont de N em ours & C o m pan y IN COR PORATE O W il m in g t o n , D e l a w a r e 19898 POLYMER PRODUCTS DEPARTMENT EXPERIMENTAL STATION PERSONAL AND CONFIDENTIAL A.

The miracles f science' 000003 Dordrecht Works C-8 Sampling Summary Groundwater Sampling Results March 2003 Site Conceptual Model Primary source area (I.e., C8 and chlorocarbons) is freatic (shallow) i aquifer underlying FP process area.

A R 2 2 6 -2 0 6 8 VW SAFETY, HEALTH AND ENVIRONMENTAL C8 AMMONIUM PERFLUORO-OCTANOATE FC--1 43 ANIONIC FLUOROCHEMICAL SURFACTANT MGF by 3M COMPANY v -5 o DuPONT AEL: 0 .01 m g /M 3 (0 .5 6 ppb, 8 hr TWA) o IRRITANT via INHALATION.

AR226-2459 From: Rik A Brandenburg on 05/26/99 09:14 AM CED To: Roger J Zipfel/AE/DuPont@DuPont cc: Seiichi Tanaka/PO/DuPont@DuPont Subject: Re: C-8 in drinking water | | Roger, W e have no data for c-8 in drinking water and a lot of data on C-8 in ground water.

AR226-2474 To: Ton RoelenyEUR/DuPont@>DuPont, David M Rurak/AE/DuPont@DuPont, Katsunosuke Kitagaw a/PO /D uPont@ D uPont cc: Frenk Hulsebosch/EUR/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont, Roger J ZipfeI/AE/DuPont@DuPont, Toni S Hess/HO/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, Patrick E Lindner/AE/DuPont@DuPont, Michael E McCord/AE/DuPont@DuPont Subject: TEST M ATRIX FOR C-8 FROM DIFFERENT SOURCES Ton, Dave and Kitagawa-san, Attached is a chart summarizing the tests performed (or successfully used) for C-8 from various sources.

AR226-2626 RECYCLED CVL PROJECT SRCNAME SAMPLING 7/04 CVL 001-EFF SAMPLING 7/04 CVL 602-EFF SAMPLING 7/04 CVL DB-2 SAMPLING 7/04 CVL DB-3 SAMPLING 7/04 CVL PW-4 SAMPLING 7/04 CVL PW-5 SAMPLING 7/04 CVL PW-6 SAMPLING 7/04 CVL PW-6 SAMPLING 8/04 - CVL EHWC-AT SAMPLING 8/04 - CVL EHWC-AT SAMPLING 8/04 - CVL EHWC-BT SAMPLING 8/04 - CVL EHWC-W3 SAMPLING 8/04 - CVL EHWC-W4 SAMPLING 8/04 - CVL EHWC-W5 SAMPLING 8/04 - CVL EHWC-W6 SAMPLING 8/04 - CVL FBLK-1 THEME Surface Water Surface Water Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Drinking Water Drinking Water Drinking Water Drinking Water Drinking Water Drinking Water Drinking Water Blank Water DATESMPL SMPLT 7/8/2004 FS 7/8/2004 FS 7/8/2004 FS 7/8/2004 FS 7/8/2004 FS 7/8/2004 FS 7/8/2004 DUP 7/8/2004 FS 8/30/2004 DUP 8/30/2004 FS 8/30/2004 FS 8/30/2004 FS 8/30/2004 FS 8/30/2004 FS 8/30/2004 FS 8/30/2004 FB SAMPLE_NUMBER CVL-W-001-EFF CVL-W-602-EFF CVL-G-DB-2 CVL-G-DB-3 CVL-G-PW-4 CVL-G-PW-5 CVL-G-PW-6-DUP CVL-G-PW-6 CVL-D-EHWC-AT-DUP CVL-D-EHWC-AT CVL-D-EHWC-BT CVL-D-EHWC-W3 CVL-D-EHWC-W4 CVL-D-EHW C-W 5 CVL-D-EHWC-W6 CVL-K-FBLK-1 TOP BOTTOM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 C 8 results Envista 111104.xls Page 1 FILTERED 0T OT 0T OT 0T OT 0T 0T 0T 0T 0T 0T 0T 0T 0T 0T CASNO 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 ANALYTE FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 RsltPost 6240 14800 <10 489 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 RsItVal UNITS 6240 NG/L 14800 NG/L 5 NG/L 489 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L Hit LAB_ANALYTE 1 FC-143 1 FC-143 0 FC-143 1 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 QUALJEPA AR226-2626 QUALJNHOUSE REVIEW METHODNO 01M-008-046 01M-008-046 01M-008-046 01 M-008-046 01 M-008-046 01M-008-046 01 M-008-046 01 M-008-046 01 M-008-046 01 M-008-046 01M-008-046 01 M-008-046 01 M-008-046 01 M-008-046 01 M-008-046 01M-008-046 PREPMTHD NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS PREPREP NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS C8 results Envista 111104.xls CVL LAB_NUMBER L0002858-8 L0002858-7 L0002858-1 L0002858-2 L0002858-3 L0002858-4 L0002858-6 L0002858-5 L0003262-3 L0003262-1 L0003262-2 L0003262-4 L0003262-5 L0003262-6 L0003262-7 L0003262-8 RSLTMOD < < < < < < < < < < < < < RESULT 6240 14800 10 489 10 10 10 10 10 10 10 10 10 10 10 10 UNIT NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L MDL 100 1000 10 10 10 10 10 10 10 10 10 10 10 10 10 10 PQL 500 5000 50 50 50 50 50 50 50 50 50 50 50 50 50 50 DUPNO Page 2

grtorf - iw if AMM- 3t* H-24678: Subchronic Toxicity 90-Day Oral Gavage Study in Rats_________________________________________________________ DuPont-6554 TRADE SECRET Study Title H-24678: Subchronic Toxicity 90-Day Oral Gavage Study in Rats Volume 4 of 4 Laboratory Project ID: DuPont-6554 Test Guidelines: U.S.

P-O 000220 ) onti -tmtyv From: To: Barbara J Dawson on 10/19/2000 1201 PM Beth F Basham/AE/DuPont@DuPont.

Off-site sampling of PFOA, PFBS, PFFIS, and PFOS concentrations.

Studies To Be Moved to 8(e) Docket EPA Submission Chemical/ Date Product Name Study Title Laboratory Study Study No.

"W"cmcorcera,esDe@baotriaatmom> ovmonot0022a Pu bt MH2203557 To NCIC OPPT@EPA JE -- nee Subject 0973012010 Letter To EPA Docket Center Taft / ceerating 125 vears = DTaefbtoSreathinMicuCsr&eaHolLleegarlLAsLsistant 4Ci2n5ciWnanlantu,tOSneot4,52S0u2-e39156700 Tel 513.331.2638+ Fax. 3133810205 `www. taftlaw.com / mccrea@taftiaw.com rI1ni9tte1renia1tRoebfveeedunesuereda,SteaarxnvediscceianncanuotlaCboerntu2sa3ei0dn,eDdios1rclhoIsesurpec:uopmAomsusnpeircoofavt1ii)doenavf(aonircainiundTgirnpegaesaunarayclhremgueunrdatetri)otsh,oaeldrvmmiceaenl(dfeady) aRderveesnsueedCohedreeoirn (2) promoting, marketing of recommending 0 ancihr party any vansactin or mater apTlhrhioesnrmuieieesdesacoIgnfefyiomdueanryteicaceloinvtIeafdiynotuisnafarornmnsaotmtiioasnnitihoantntseanntdeeidorrr.eeypp-eelnaits.enetunspelvayinegdihededi,sscelanotdsteuorrrenoeyoyfrwteolhrykm&pe.rsomsdauacgntedorr edelete he message and any atachments 3 2n CONTAINS NO cB

Human Health Medicinal Products Sector Survey Impact of Proposed PFAS Restric=on on Pa=ent Access to Medicines & EU Strategic Autonomy Disclaimer: This document was prepared in good faith by represented associa6ons for the purposes of preparing the public consulta6on response to the PFAS Restric6on proposed under Title VIII of the REACH Regula6on.

IIN AOI EFFICACY OF FIFLOW AQI AS A RESCUE FOR POLLUTED SKIN FIFLOW AQI (Perfluorohexane (and) Perfluoroperhydrophenanthrene (and) Perfluoro Dimethylethylpentane) is a completely inert liquid, which has the capacity to clean the skin from gas pollutants.