BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com (814)231-8032 Fax: (814)231-1253 or (814)231-1 580 Analytical Report Fluorochemical Characterizationof POTW Effluent Columbus, Georgia (W2336) Centre Analytical Laboratory Report No. 023-014M (Revision 1) Revision Date 3/27/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

BACK TO MAIN CEntre Analytical Laboratories, Inc. 3048 Research Drive State C a ?

H4,RDICK SUPPLIERS FOR SMOOTH PRODUCTION Public consultation on PFAS restriction Hardick BV, Thermen 5, 7521 PS Enschede, Netherlands Jorg Nijkamp, Background Hardick is a producer of PTFE coated glass and aramid conveyor belts, sheets and tapes.

PROJECT REFERENCE THERMAL SOLAR PLANT ZERO LIQUID DISCHARGE Project Details Location: Product: Produced permeate: Membrane type: Mojave Desert - California External B-SMARTTM Crossow System 6.720 m3/day 5 mm PVDF CR backwashable Project overview A large zero discharge treatment plant located in California's Mojave desert faces the unique challenge of treating reverse osmosis (RO) concentrate/wastewater.

Bt Doty REVIEW OF PROLIFERATIVE LESIONS OF THE EXOCRINE PANCREAS IN "TWO CHRONIC FEEDING STUDIES IN RATS WITH AMMONIUM PERFLUOROOCTANOATE Authors Steven R.

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`EXY8eRESnEARCH "Fron Res. - 22671933 - Analytical Report a 3M Company Analysis of PFOA and PFOS in Water Samples from Cottage Grove - Municipality E04-0910 Exygen Report No.

AR226-2045 y Jan M Stouffer 07/23/99 06:27 PM To: cc: Subject: Bobbin Banefjee/AE/DuPont@DuPont, Anthony J Ptgytte/CL/OuPont@DuPont, John J MBrrtink/CUDuPont@DuPont.

2965269 3M Response to the Call for evidence supporting an analysis of restriction options for PFAS For 5.1.1 IV.

AR226-2366 DRAFT -^(--------^ Purpose: Scope: Proposal to Conduct a Genera) Human Health and Envlronmenta!

File;c8 Emission Point 662 647 699 652 658 231 232 216 242 274 R022EEF6 R022EEF8 R022EEF7 R022EEF9 Emission Rate (a/sl 0 2.06E-01 0 4.00E-03 2.00E-03 3.2BE-02 3.32E-Q2 0 1.05E.02 3.03E.02 1.73E-04 4.31 E-05 4.31 E-05 8.63E-08 Stack Height (ml 45.7 18 19.2 21.3 20.7 21.7 20.3 18.3 21.3 33.5 14.3 14.9 14.9 14.9 Temp (K) 350.9 317 317 366.5 422 327,6 327.6 343.2 366.5 397 299.8 299,8 299.8 299.8 Velocity (mis} 12.3 51.8 6.46 16.5 6.8 4.6 0.9 10.5 18 13.6 9.1 12.2 3 6.1 Diameter (ml 0.405 0.457 0.305 0.598 0.497 0.251 0.635 0.396 0.204 0.21 0.762 0.61 0.61 0.61 Flle.'

Comments on the PFAS proposal Zhejiang Quhua Fluor- Chemistry Co., LTD.

Response to Hydrofluoroethers PFAS As a representative of fluorine chemical manufacturers, Juhua Group has always been mainly producing fluorine chemical products and basic chemical raw materials, as well as more than 200 products from 17 major categories such as polymer materials, fertilizers and pesticides, and chemical medicine etc.

AR226-2788 C-8 ALTERNATES: MATERNAL AND DEVELOPMENTAL TOXICITY IN THE RAT (PRELIMINARY STUDY, BY GAVAGE) HASKELL LABORATORY REPORT NUMBER 441-84 Copies to: Company Sanitized.

AR226-2863 Material Tested Copies to; E.