BACK TO MAIN Study Title Microbial Metabolism (Biodegradation) Studies of Perfiuorooctane Sulfonate (PFOS) I l l .

BACK TO MAIN WATER SOLUBILITY IN PURE WATER TEST SUBSTANCE Identity: Perfluorooctanesulfonyl fluoride; may also be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, CAS # 30735-7).

BACK TO MAIN 3M Company EPI-0013 Page 1 of 5 INTERIM REPORT Epidemiology Medical Department 3M Company St.

Sponsor: 3M St.

Interim Report #2 Epidemiology, 220-3W-05 Medical Department _." 3M Company St.

3M Specialty Materials 3M Center St.

AR226-2214 ^ Debbie J Mulrooney i 11/15/2001 11:13 AM To: cc: Subject Robert F Pinchot/DEV/AE/DuPont@DuPont Steven L Grise/AE/DuPont@DuPont Consent Order Requirements - Particle Size Distribution Rob, Here is a spreadsheet with the particle size distribution, particle density and particulale scavenging coefficients based on the defaults in the ISC Users guide.

.^' '-A^ R226-2353 Daikin America Decatur Plant Monitoring January 15, 2004 Daikin America Decatur Plant , - . .

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LITTLE HOCKING WATER ASSOCIATION, INC. 3998 St.

3M Katherine E .

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p. 1 Andrea V .

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425 Walnut Street, Taft/ Taft Stettinius & Hollister LLP Suite 1800 / Cincinnati, OH 45202-3957 /Tel : 513 .381 .2838 / Fax : 513 .381~0205 /vvww .taftlaw .com Cincinnati / Cleveland / Columbus / Dayton / Indianapolis / Nortrhern Kentucky / Phoenix / Beijing ROBERT A BtLoTT 513.357.9638 bilott@tafdaw.com 14 1 aa6-38'29 February 16, 2009 F r:r-c9-$-cro 15 7T TSCA Confidential Business Information Center (7407M) EPA East - Room 6428, Attn: Section 8(e) & FYI U .S.