S A N IT IZ E D AR jU -co3 $ i REPORT EXPLORATORY 28-DAY ORAL TOXICITY STUDY WITH TELOMER ALCOHOL, TELOMER ACRYLATE PFHS AND PFOS (positive control) BY DAILY GAVAGE IN THE RAT FOLLOWED BY A 14/28-DAY RECOVERY PERIOD NOTOX Project 242933 NOTOX Substances 83484, 83493, 83502, 84456 and 84141 3M Test No.

To: From: Subject: Date: Study Files of Riker Experiments Nos. 0680TR0008 0066880077R800002100 00668811778R00101905 Li G.

ARRRG - O04 ACUTE TOXICITY TO FISH (RAINBOW TROUT) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f8l5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m3a0y52a.ls(o1b-e Octanesulfonic acid) (CAS # 2795-39-3).

BACK TO MAIN Executive Summary of Hydrolysis Studies 3M has completed a series of studies of the hydrolytic reactions of various fluorochemicals.

Annex I - List of acronyms and abbreviations Acronym AC B CAS CF2 CF3 CfE CF3C(O)F CFF CLP CO2 COC COP CSR CTFE DNEL EC ECHA EEA EEAP EFCTC EFSA EINECS ELV EMA EPA ETF EU EV EVOH F-Gas FCM FP GLP GWP HCFC HCFO-1233zd(E) HF HFC HFC-125 HFC-134a HFC-143a HFC-227ea HFC-236fa HFC-245fa HFC-32 Explanation Airconditioning Bioaccumulation Chemical Abstracts Service Methylene Fully fluorinated methyl Call for Evidence Trifluoroacetyl Fluoride Cold Form Foils Classification, Labelling and Packaging Carbon dioxide Cyclic olefin copolymer Cyclic olefin polymer Chemical Safety Report Chlorotrifluoroethylene Derived No-Effect Level European Commission European Chemicals Agency European Economic Area Environmental Effects Assessment Panel European Fluorocarbons Technical Committee European Food Safety Authority European Inventory of Existing Chemical Substances End of Life of Vehicles Directive European Medicines Agency Environmental Protection Agency Extrudable thermoplastics films European Union Electric Vehicle Ethylene vinyl alcohol Fluorinated Gas Food Contact Materials rules Fluorinated Products Good Laboratory Practice Global Warming Potential Hydrochlorofluorocarbon (1E)-1-chloro-3,3,3-trifluoroprop-1-ene Hydrogen Fluoride Hydrofluorocarbon Pentafluoroethane 1,1,1,2-tetrafluoroethane 1,1,1-trifluoroethane 1,1,1,2,3,3,3-heptafluoropropane 1,1,1,3,3,3-hexafluoropropane 1,1,1,3,3-pentafluoropropane Difluoromethane 1 HFC-365mfc HFO HFO-1233zd HCFO-1233zd(E) HFO-1234yf HFO-1234ze(E) HFO-1336mzz(E) HFO-1336mzz(Z) Honeywell HSE IUPAC IVD IVDR LRTP MAC MDI MDR Mln MoE NOAEL NOEC OECD OTC P PBT PCTFE PET PFAS PFC PFOA PFOS PLC PNDT PNEC PP PTFE Proposal PVC PVDC RAC RAAF R&D REACH RHVAC RMM RMOA RO RRM SAP SEAC 1,1,1,3,3-pentafluorobutane Hydrofluoroolefin (1E)-1-chloro-3,3,3-trifluoroprop-1-ene Trans 1-Chloro-3,3,3-trifluoroprop-1-ene 2,3,3,3- tetrafluoroprop-1-ene Trans-1,3,3,3-tetrafluoroprop-1-ene Trans-1,1,1,4,4,4-hexafluorobut-2-ene (2Z)-1,1,1,4,4,4-hexafluorobut-2-ene Honeywell International Inc.

Wildlife International, Ltd. "1- Project Number 454A-105 PFOS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE FRESHWATER MUSSEL (Umo complamatus) ADDENDUM WILDLIFE INTERNATIONAL, LTD.

_--_--m--m .E n B RESEARCH Pen, gLeenn Ar2z26-194 9 APPT Cie 05APR25 AMI: [1 F< V4 3M Company Analysisof PFOA and PFOS In Water Samples from HastingsMunicipality : [E05-0186 Exygen Report No.

PFAS additive consumption during battery life ref.

CHEMOURS IN DORDRECHT Everything from smart technology, medical devices, cars and EVs, aerospace and defence, computers and software systems, fuel cells and 5G, is powered by Chemours Chemistry.

AR226-2228 EID295000 Emission Information 1823A 815D 8150 1353A Pre-Existing 614A 614A 781 1953 2365A Semiworks Application Semi-works Application Semiworks Application Semiworks Application 'This is the declared polential-to-emit for this emission point.

AR226-2250 Watershed Paniculate Phase Total Wet Dry Deposition Deposition Deposition (a/vr) (g/yr) (a/yr) Vapor Phase Wet Deposition (fl/yl Total (a/yr) Total (Ib/yr) Little Hocking 19449 12483 6966 1642 21091 46.5 Lake Washington 2686 803 1883 364 3050 6.7 Ohio River 103942 70335 33547 11612 115554 254.7

vim AR226-2370 Example calculation of chemical toadfngand groundwater response.

AR226-2438 CH-3134 WV. 7<92 [zjs - n;(-j- x ^^ ^ ^ REOUesT60BY 0 CHEMIST -1--------------""" .... ^,..

AR226-2458 t > i FT"-^ r'" i j Stephen Opp 05/17/99 01-.40 PM To: cc: Subject: Roger J 2ipfel/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPont@DuPont Andrew S Hartten/AE/DuPont@DuPont Washington Works Groundwater Results Summary Tables Roger and Bob; Attached you will find a spreadsheet that summarizes the 2 groundwater sampling events at Washington Works.

AR226-2506 ASH010154 ASH010155