BACK TO MAIN AR226-1030A036 Study Title Microbial Metabolism (Biodegradation) Studies of Perfluorooctane Sulfonate (PFOS) III.

BACK TO MAIN -V 3 `.

TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE DOCUMENTS MULTIPLE CHEMICAL STUDIES STUDY TITLE LABORATORY OR DATE AUTHOR COMPLETED TYPE Hum an Sera/M edical Surveillance/Epidem iology M ortality Study of W orkers Em ployed at he 3M C ottage G rove Facility M ortality Study of W orkers Em ployed at the 3M D ecatur Facility Division of Environm ental and O ccupational Health, School of Public Health, U niversity of M innesota Division of Environm ental and O ccupational Health, School of Public Health, U niversity of M innesota Y ear 2000 Medical Surveillance Serum FC Levels Am ong Em ployee Participants of the Y ear 2000 D ecatur Fluorochem ical M edical S urveillance Program Serum FC Levels Am ong Em ployee Participants of the Y ear 2000 A ntw erp Fluorochem ical M edical S urveillance Program D escriptive Sum m ary of Serum Fluorochem ical Levels Am ong Building 236 W orkers An E pidem iologic A nalysis of Episodes of Care of 3M D ecatur Chem ical and Film Plant E m ployees, 1993-1998 04/26/01 04/26/2001 03/19/001 03/19/01 03/19/01 05/18/01 Final Report Final Report Report Report Final Report Final Report Id e n tifica tio n o f F lu o ro c h e m ic a ls in H um an T issu e 06/14/01 Final Report TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE DOCUMENTS MULTIPLE CHEMICAL STUDIES STUDY TITLE LABORATORY OR DATE AUTHOR COMPLETED TYPE Hum an Sera/M edical Surveillance/Epidem iology Serum Level Studies Id e n tifica tio n o f F lu o ro c h e m ic a ls in C h ild re n 's S era Id e n tifica tio n o f F lu o ro c h e m ic a ls in A m e ric a n Red C ro ss D onors Supplem ental notice for Sulfonate Based and C arboxylic-B ased Fluorochem icals, Reporting Results of Red Cross A dult and C hildren's Sera S tu d ie s 06/26/2001 06/26/2001 Final Report Final R eport 03/19/001 3m Letter to TSC A 8e Docket

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES N-EtFOSE ALCOHOL backtocompounds P h ysical/C h em ical S TU D Y TITLE LABORATORY OR AUTHOR DATE COMPLETED TYPE C haracterization Study ETFO SE-O H, test Control R eference #SE-035.

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) 231-1580 Analytical Report Fluorochemical Characterization of POTW Effluent Decatur, Alabama (W1979) Centre Analytical Laboratory Report No. 023-014J (Revision 1) Revision Date 3/26/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

BACK TO MAIN Sulfonated Perfluorochemicals: Maps of Environmental Sampling Sites for Six Cities in Multi-City Study for 3M Specialty Materials prepared by Battelle Memorial Institute 505 King Ave.

P-1 finz-s'ny .

P-1 "M cC rea, Deborah" < m ccrea@ taftlaw .co m > 0 8 /2 1 /2 0 0 9 10:52 AM To N C IC O P P T @ E P A cc "Bilott, R obert A." < bilott@ taftlaw .com > bcc S ubject 0 8 /2 1 /2 0 0 9 Letter To E PA D ocket C enter P tL X ^ -^ a i Taft/ Deborah McCrea / Legal Assistant Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 Cincinnati, Ohio 45202-3957 Tel: 513.381.2838 Fax: 513.381.0205 www.taftlaw.com / mccrea@taftlaw.com o 7cz cn ro o o PO Internal Revenue Service Circular 230 Disclosure: As provided for in Treasury regulations, advice (if any) relating to federal taxes that is contained in this communication (including attachments) is not intended or written to be used, and cannot be used, for the purpose of (1) avoiding penalties under the Internal Revenue Code or (2) promoting, marketing or recommending to another party any transaction or matter addressed herein.

3M Jean B.

SEVERN TRENT STL STL Chicago 2417 Bond Slreel University Park, IL 50465 Tel: 70S 534 5200 Fax: 708 534 5211 www.stl-inc.com SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER; 232883 Prepared For: Weston Solutions/ Inc: 1400 W e s t o n Way .

A R A S 6 _ 071 & ' BIODEGRADATION (OECD 301E) TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR ^ 2 6 - ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic add) (CAS # 2795-39-3).

/ AR 6 -OSlf-8 BIODEGRADATION (BOD/COD) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfonic acid) (CAS # 2795-39-3).

TSCA NCIC Notification Form for CB!

\& 2> March 31, 2003 To: Mary F.