From: To: Sent: Subject: Bowling, Curtis, Mr, OSD-ATL <Atkins>;<lsaac>;<LtCol>;<OSD-ATL> 3/31/2001 6:24:00 PM FW: Fluorotelomer Chemicals and Related Fluoroorganics We need to talk about the occupational exposure of telomers. > --- Original Message---->From: Dierdorf Doug S Contr AFRL/MLQD > [mailto:Doug.Dierdorf0tyndall.af.mil] >Sent: Friday, March 30, 2001 2:08 PM >To: Curtis Bowling (E-mail) >Cc: Carr Virgil J Contr AFRL/MLQD; Vickers Dick N Civ >AFRL/MLQD; Galindo >Bob Contr AFRL/MLQD >Subject: FW: Fluorotelomer Chemicals and Related Fluoroorganics > > >Curtis, > >1 believe that a response to this needs to come from your >office.

MATERIAL SAFETY DATA SHEET IDENTITY- BUCKEYE 3% MIL SPEC AFFF SECTION I.

GAO Review of DOD Drinking Water Contaminants (100947) Follow-up Questions on AFFF Products In our prior conversations with Navy officials, we have been told that DOD's AFFF MILSPEC calls for AFFF products to contain PFCs.

From : To: S e n t: S u b je c t: A ttachm ents: Fletcher, Steven G CIV NAVSEA HQ, SEA 05 Hunstad, Mary P CIV NAVSEA HQ, SEA 05; Berkoski, Daniel T CIV NAVSEA, SEA 05 2/8/2017 5:07:27 PM Updated GAO Answers GAO 100947 - AFFF Questions Rev1 sgf (3)JLW.docx v/r, Steve Fletcher, P.E.

ORIGINAL DOCS NOT CONTAIN CBI 3 3 9 ^ 2 -0 October 29, 2010 DuPont Haskell Global Centers for Health and Environmental Sciences 1090 Elkton Road, P.O.

STATUS REPORT ON ENVIRONMENTAL CONCERNS RELATED TO AQUEOUS FILM FORMING FOAM (AFFF) By: Joseph L.

Table 4.15 Fluororesin characteristics list (representative values) Characteristic Melting point Density Tensile strength Elongation Compressive strength Izod impact strength Rockwell hardness Shore hardness Flexural modulus Tensile modulus Dynamic friction Thermal conductivity Specific heat Coefficient of linear expansion Ball pressure temperature Deflection temperature under load Maximum operating temperature (continuous) Volume resistivity Dielectric strength (short term) Dielectric constant Loss tangent Arc resistance Water absorption rate Flame retardance Limiting Oxygen Index (LOI) Effects of direct sunlight Chemical resistance acid alkali Organic solvent Unit g/cm3 MPa MPa [10Deformation] J/m [R scale] [D scale] GPa GPa [0.69MPa, 3m/min] W/mK 103J/kgK 10-5/ K (-30+30) [1.81MPa] [0.45MPa] JIS K 6935 K 7112 K 7162 K 7181 Test method ISO 12086 1183 527 Same above 604 ASTM D 4591 D 792 D 638 D 695 K 7110 180 D 256 K 7202 2039 D 785 K 7215 868 D 2240 K 7171 K 7161 K 6935 A 1412 K 7123 178 527 8302 D 790 D 638 D 1894 C 177 D 696 Compliance with the Report on Registration System for Thermoplastic Ball Pressure Used in Electrical Appliances K 7191 75 D 648 PTFE 327 2.13-2.20 20-35 200-400 10-15 150-160 R20 D50-55 0.53-0.58 0.40-0.60 0.1 0.23 1.0 10 180 55 120 cm[50%RH,23] MV/m [3.2mm Thickness] [ 60Hz] [103Hz] [106Hz] [ 60Hz] [103Hz] [106Hz] sec [24hr] [3.2 Thickness] K 7226 K 6911 K 6935 K 6935 K 6935 K 7209 K 7140 K 6935 2578 IEC 60093 IEC 60243 IEC 60250 IEC 60250 62 1210 4589 D 257 D 149 D 150 D 150 D 495 D 570 UL-94 D 2863 D 543 260 >1018 19 2.1 2.1 2.1 0.0002 0.0002 0.0002 >300 0.01 V-0 >95 Non S.E S.E S.E PFA 310 2.12-2.17 25-35 300-350 15-20 non breaking R50 D62-66 0.54-0.64 0.31-0.35 0.2 0.19 1.0 12 230 47 74 260 >1018 20 2.1 2.1 2.1 0.0002 0.0002 0.0003 >300 0.01 V-0 >95 Non S.E S.E S.E FEP 260 2.15-2.17 20-30 250-330 14-19 non breaking R50 D60-65 0.55-0.67 0.32-0.36 0.3 0.2 1.2 9 170 50 72 200 >1018 22 2.1 2.1 2.1 0.0002 0.0002 0.0005 >300 0.01 V-0 >95 Non S.E S.E S.E PCTFE 220 2.10-2.20 31-41 80-250 31-51 135-145 R80 D75-80 1.25-1.79 1.03-2.10 0.4 0.22 0.9 6 170 90 126 120 >1018 22 2.6 2.6 2.6 0.0012 0.025 0.020 >300 0.01 V-0 >95 Non E E V.G ETFE 270 1.73-1.74 38-42 300-400 40-50 non breaking R50 D67-78 0.90-1.20 0.70-0.85 0.4 0.24 2.0 6 185 74 104 150 >1017 16 2.6 2.6 2.6 0.0006 0.0008 0.005 75 0.03 V-0 32 Non V.G V.G V.G ECTFE 245 1.68-1.69 41-48 200-300 35-40 non breaking R50 D53-57 0.66-0.69 1.55-1.70 0.4 0.16 2.0 8 180 77 116 150 >1015 20 2.6 2.6 2.6 0.0005 0.0015 0.015 18 0.01 V-0 60 Non E E E PVDF 151-178 1.75-1.78 30-70 20-370 32-74 160-375 R93-116 D64-79 0.60-1.99 0.37-2.58 0.4 0.17 1.2 16 150 100 156 150 >1015 11 8.4 7.7 6.4 0.049 0.018 0.017 60 0.03 V-0 43 Non E V.G G PVF 203 1.38-1.57 (82) 115-250 (1.9) 0.14-0.17 1.0 7.1-7.8 100 >1014 8.2-8.5 6.2-6.7 6.2-7.0 0.3 <0.5 HB 23 Non G V.G G Super Excellent(S.E): Not attacked by most chemicals and solvents even under harsh conditions.

2225 W.

AR226-1914 DuPont Global PFOA Strategy Comprehensive Source Reduction Presentation to EPA January 31, 2005 Company Sanitized Contains No TSCA CBI Purpose Present a comprehensive risk management approach for PFOA based on source reduction - DuPont commitment - Global impact - Voluntary actions - Work in progress for some elements - Open dialogue with EPA on this approach Page 2 January 31, 2005 Company Sanitized Contains No TSCA CBI Topics for Discussion Comments on overall approach to mitigation?

Proposta di restrizione REACH sui PFAS Osservazioni Confindustria Settembre 2023 1.

AR226-1998 TBENDS IM C-8 IM A-IR LEVELS PEP Area (Composite Avg.) .1980 1.87 PEP Wet Finishing Operator FEP - Bo. 1 Clean Boom Ko. 2 Clean ROOIB Fine Powder Dryer-dperator Fine Powder Dryer Room (Composite Avg.) 0.95 6.80 1.40 3.00 C-8 Tn Mr' (ropb) AEL 0.56 1981 1982 0.32 Mot Calculated 0.30 0.09 3.11 3.54 0.56 2.47 0.15 0.37 1983 0.15 0.11 j . -. 0.19 0.06 0.23 JWR:ldr 10/19/83 10077033

Socioeconomic effects of Co. 2mag AG products, in 2022 Market segments Research & Development in chemical-labs Research & Development in analytical-labs Pharmaceutical laboratory equipment Process control, quality testing EHSA (Environmental health & safety) Medicine development technology Summary Turnover (mio.

General Comments on the Annex XV Restriction Report for Per- and polyfluoroalkyl substances (PFASs) dated 22.03.2023 PUBLIC VERSION Confidential Business Information is REMOVED. .

Lining resin material Chemical resistance comparison data Hydrochloric acid () Sulfuric acid () 20 40 60 80 100 120 150 20 40 60 80 100 120 150 20 PFA ETFE polyethylene resin hard vinyl chloride resin judgement: Excellent Good Poor Sodium hydroxide () 40 60 80 100 120 150

AR226-2156 Catherine A Barton ^ 07/08/2001 04:23 PM To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont Debbie J Mulrooney/AE/DuPont@DuPont Rob, I hope you had a nice vacation last week.