AR226-2427 CONSTITUENT LOWERPOHD DISCHARGE FC-143* TOLUENE OTHER VOC'S OTHERSEHIVOL'S UPPER PONDDISCHARGE FC-143* in-CRESOL OTHERVOC'S OTHERSEHIVOL'S LETART LANDFILL MONITORING OUTFALLS mg/L SURFACEMATER. 12/11/90 01/18/91 02/08/91 03/22/91 03/28/91 | 04/26/91 11/22/91 12/27/91 1.200 0.400 0.340 0.010 BDL NA 0.670 1,000 1.300 2.900 2.300 0.500 0.930 0.790 4.100 BOL- BELOWDETECTIONLIMIT NA - NOTAVAILABLE * FC-143 IS AMMONIUPMERFLUOROOCTANIOOANTICE SURFACTANT f4841 ^9l02rs

AR226-2463 5 ^ : fT'-^ jack L Offenberger ^-;- t< o7/o7;99o,;5gp|^ i ?

Opinion on the Restriction and Lack of Alternatives for Per-and Polyfluoroalkyl Substances We are a specialized manufacturer and processor of various products made from Polytetrafluoroethylene (PTFE).

AR226-2771 FOR DU FONT DSE ONLY Copies Co: Haakell B.

AR226-2895 FOR DU POUT USE ONLY Copies Co E.

AR226-3034 S&SKSEA LABORATORY VOS TOSZCOLOS?

Statement GEA Heating and Refrigeration Division Use of PFAS in Heating and Refrigeration Technologies 1.

1 Public Consultation on PFAs - Section III.

AR L426_ 3262 "444 AR 226 - 3R6.2 ~ |,=: sour Test Guideline(s) `OECD 105 (adopted 12 May 1981).

e -- er. me e \ ' ( ( l 1 1 -1 I II ~I ~INI\TvVVVI VIE VIII H i HHeel LIiRENE EFRNe NBa IR eS v Cl Ar 5 Br Danzonm H lSi A ) 1.20 2.1 (kcaligato 315.0 cal/gatom) 17.8 2)(10-24cc) 0.79 terusonns [C-F F 2s22p5 1.35 4.0 403.3 83.5 1.27 C' 3s23p53d 1.80 3.0 300.0 87.3 4.61 C-x A) C-x (kcm 0x 10-24cc) H 1.091 99.5 0.66 F 1.317 116 0.68 C1 1.766 78 2.58 C-F C-F 1 1-2 7 ft (J.CFPTFE 't>9 1=/ 12 l,'1 7,1/t1=1, --17 (1TPCTFEk 11; #), T I- 11 721/71-1= -1 :,--.^ --)1-7/1/7J-1 712 I, :7Jk.2'ift`'f7 W-FFEPk .5s- 1- 111 /1,7j-i:i (.12.TPFA , 7 9 7 '7'fL W-FETFEk 11; 7J< 9 7 ' 'fL 9 (1;k-FPVF ilfr; f'F) W4v1giWMU, WTPVdF 9 7 sy ffit4ri'Lrl itt, -r*i0-~*ttl" 7 -7 *WWI 't4/fi 0)g-M*tt g.*4*St. t) 0 "Cif .3n=f*, g V] *lt , th-'71.

NafionTM Circularity Case Study X NafionTM Ion Exchange Materials C Chemours Introduction Chemours' commitment to circularity is evident in our efforts to develop sustainable solutions, promote reduction, reuse and recycling, plus collaborate with customers and stakeholders.

AR226-3369 fttAT^X-EFFKCT FR ^ALYTIC-AL METHODS FOR UETERPjtiNA-nOM OF PEFIFLUOH^ATEO CARBOKVLiO ACIDS iK EftiVtRONMENTAt ASiD EEOLOGECAt SAMPLES Cliarias ft. fowloy', Ttmothy W. ttysa' nnd Robflrt C.

AR226-3370 The Role of Photolysis in the Atmosp Fate of Perfluorinated Aldehydes: Phase UV and IR Absorption Spec Hashikawa, Y.1, Kawasaki, M.1, Sulbaek Andersen, M.2, N O.2, Hurley, M.3, Wallington, T.3, Waterland, R.4, 1 Kyoto University/ Kyoto, Japan 2 University of Copenhagen, Copenhagen, Denmark 3 Ford Motor Company, Dearborn, MI, USA 4 E.

2nd submission - Comment on Proposed Restriction of PFAS Conference of Fluoro-Chemical Product Japan (FCJ) On behalf of chemical manufacturers, we, Conference of Fluoro-Chemical Product Japan (FCJ), have been working tirelessly to comply with national chemical regulations.