1c;c 0 FL)EI OFFICE ECY 7545 11rA,[)I'@C)14,V\'1 5 3 7 0 7 - 7 E,4 5 FINAL REPORT .

Table of Contents 1.

MICROBICS MICROTOXC TOXICITY TEST TEST SUBSTANCE ldenfity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95 or as a component ofFC-201AF. (1Octanesulfonicacid)(CAS # 2795-39-3).

Chemours Thermal & Specialized Solutions (TSS) contribution to the universal PFAS restriction ECHA Public Consultation 21 September 2023 Attachment 3 Table of Contents Annex I: Annex II: Annex III: Annex IV: Annex V: Complement to the information presented in Attachment 1 Chapter 1 - Go to Page Specific comments and observations on Annex A of the PFAS restriction dossier - Go to Page Comments on the analytical methods described by the Dossier Submitters in Annex E of the PFAS restriction dossier - Go to Page Socio-Economic Analysis and Impact Assessment of a potential REACH Restriction on F-gases as PFAS, report for Chemours Thermal Specialized Solutions (TSS) [attached in confidential version] - Go to Page Evaluation of Costs based on Restriction Derogations for Mobile Air Conditioning Maintenance - Go to Page Annex I: Complement to the information presented in Attachment 1 Chapter 1 Supporting information - Attachment 1, Section 1.2 Table 1 - Summary of available toxicity data for TSS substances and TFA Attribute Substance Name EC Number CAS Number Occupatio nal Exposure Limit Acute Inhalation Lethality HFO-1234yf 2,3,3,3tetrafluoropr opene 468-710-7 754-12-1 500 ppm (8hr TWA) TERA WEEL 4-hr LC50 > 405,000 ppm (> 1887 mg/L), rat 1-hr NOAEC > 100,000 ppm (> 466 mg/L), rabbit HFO1336mzz- E (2E)1,1,1,4,4,4 Hexafluoro but-2-ene 811-2130 6671186-2 400 ppm (8-hr TWA) TERA WEEL 4-hr LC50 > 17,000 ppm (> 114 mg/L), rat HFO1336mzz- Z (2Z)1,1,1,4,4,4 Hexafluoro but-2-ene 700-6517 692-49-2 500 ppm (8-hr TWA) TERA WEEL 4-hr LC50 > 102,900 ppm (> 690 mg/L), rat HFC-134a HFC-125 HFC-143a HFC-152a 1,1,1,2tetrafluoroe thane 1,1,1,2,2pentafluoroe thane 1,1,1trifluoroeth ane 1,1difluoroeth ane 212-377-0 811-97-2 206-557-8 354-33-6 206-9965 420-46-2 200-8661 75-37-6 OCCUPATIONAL EXPOSURE LIMITS 1000 ppm (8-hr TWA) - TERA WEEL 1000 ppm (8-hr TWA) TERA WEEL 1000 ppm (8-hr TWA) - TERA WEEL 1000 ppm (8-hr TWA) - TERA WEEL ACUTE TOXICITY 4-hr LC50 > 359,300 ppm (> 1500 mg/L), rat 4-hr LC50 > 800,000 ppm (> 3927 mg/L), rat 4-hr LC50 > 591,000 ppm (> 2030 mg/L), rat 4-hr LC50 > 437,500 ppm (> 1182 mg/L), rat HFC-227ea 1,1,1,2,3,3,3heptafluoropr opane 207-079-2 431-89-0 No data 4-hr LC50 > 788,696 ppm (> 5485 mg/L), rat HFC4310mee 1,1,1,2,2,3,4, 5,5,5decafluorope ntane 420-640-8 138495-428 225 ppm (8hr TWA), 700 ppm (15-min STEL) TERA WEEL 4-hr LC50 > 359,300 ppm (> 1500 mg/L), rat TFA Trifluoroacet ic Acid 200-929-3 76-05-1 4-hr LC50 > 64 ppm (> 0.3 mg/L), rat Acute Cardiac Sensitizati on Dermal Irritation Eye Irritation Skin Sensitizati on In vitro In vivo Inhalation Oral NOAEL = 120,000 ppm LOAEL > 120,000 ppm None None None Negative (mutagenicit y & clastogenicit y) Negative (clastogenici ty) 13-week NOAEC = 50,000 ppm, rat* 4-week NOAEC = 10,000 ppm, minipig* 4-week NOAEC = 500 ppm, rabbit Not a relevant route of exposure.

Assogomma comments on the Annex XV Dossier of the universal PFAS restriction proposal September, 6th 2023 1 1.

BIODEGRADATION (OECD 301 D) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-780B. (1Octanesulfoniaccid)(CAS # 2795-39-3).

Comment on Proposed Restriction of PFAS Aug 24, 2023 Japan Valve Manufactures' Association (JVMA) Japan Valve Manufacturers Association (JVMA) appreciates the opportunity to provide comments to the PFAS restriction proposal. 1.

Processed product for water supply and sewerage applications Application :Water supply and sewerage Materials used in the field are PTFE (CAS NO: 9002-84-0), PCTFE (CAS NO: 9002-839), PFA (CAS NO: 26655-00-5), PVDF (CAS NO: 24937-79-9), and ETFE (CAS NO: 94228-79-2).

HAZLEZON 3301 KINSMAN BLVD.

Comment on Proposed Restriction of PFAS Aug 25, 2023 Japan Valve Manufactures' Association (JVMA) Japan Valve Manufacturers Association (JVMA) appreciates the opportunity to provide comments to the PFAS restriction proposal. 1.

Enar+orunent Errarannenert Canada Canada P. 1 AR Q A v ~ 31% RISK MANAGEMENT STRATEG Y FOR NEW FLUOROTELOMER BASED SUBSTANCES PROHIBITED UNDER SECTION 84 OF CEPA 1999 1 .

AR226 _ 3465 w" 125231One-GeoerationReprodotionSy nats ~ Dens AR226 _ 3265 `TRADE SECRET Study Title H-25231: One-Generation Reproduction Study in Rats Volume 3 of 3 Laboratory Project ID: DuPont-9763 - AUTHOR: Eve Mylchreest, Ph.D.

Comparative data by material heat resistance (continuous use temperature) Measurement Method UL 1581 Fluoropolymer (ETFE) 150 Cross-linked polyethylene 105 Flame resistance UL 94 V-0 ASTM D638 Mechanical Strength or 48 (Tensile strength) JIS K 6251 None 22 Polyester elastomer 125 None 48

Classification: Public Date Division/Dept.

9/22/2023 ffentliche- Konsultation zum Beschrnkungsvorschlag PFAS Katja Schollek HERAEUS NOBLELIGHT GMBH 0 / 3 Informationen zu Art/Typ der verwendeten PFAS-Substanz Insbesondere PTFE sowie FKM-haltige Materialien (Viton) Informationen zu Umfang und Art der Verwendung O-Ringe und Isoliermaterial fr Anwendungen im UV- und Infrarotbereich sowie im Hochspannungsbereich, z.B. fr Netzstecker und Anschlusslitzen, UV-Sensoren, Gleitschienen (Sliding Rail), Spezielles Teflon, das als Schrumpfschlauch um UV-Lampen herum verwendet wird, um alle Quarzteile zusammenzuhalten.