TSCA SANITIZED A22&3B3/ M B Research Laboratories , VOLUME I P.

"McCrea, Deborah" <mccrea@taftlaw.com> 09/30/2010 02:23 PM /}eZ2Cr To NCIC OPPT@EPA cc "Bilott, Robert A."

INTERIM REPORT # 21 - Analysis of Soil Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE November 6,2006 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244963 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Sue Stefanosky Date: 03/23/2006 Signature Name: Richard C.

310 Bank Street Decatur, Alabama 35601 256.353.2910 tele 256.353.3944 fax www.TTyNC.com geotechnical analytical * materials * en v ir o n m e n t a l Decatur.

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AKZ2G - 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 -201. (1Octanesulfonic acid, perfluoroalkyl sulfonate salts (5) + (5140P)) (CAS # 2795-39-3) Rem arks: The 3M production lot number was not noted.

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Electronically Served 9/22/2017 10:33 PM Hennepin County, MN 27-CV-10-28862 Filed in Fourth Judicial District Court 11/17/2017 7:31 PM Hennepin County, MN STATE OF MINNESOTA DISTRICT COURT FOR THE COUNTY OF HENNEPIN FOURTH JUDICIAL DISTRICT CIVIL ACTION NO. 27-CV-10-28862 STATE OF MINNESOTA, et al. v. 3M COMPANY EXPERT REPORT OF PHILIPPE GRANDJEAN, MD, DMSc PREPARED ON BEHALF OF PLAINTIFF STATE OF MINNESOTA 22 September, 2017 CONFIDENTIAL - SUBJECT TO A PROTECTIVE ORDER ENTERED IN HENNEPIN COUNTY DISTRICT COURT, NO. 27-CV-10-28862 27-CV-10-28862 Filed in Fourth Judicial District Court 11/17/2017 7:31 PM Hennepin County, MN a disease, such as prostate cancer, occurs at a different (lower) rate in the background population o f M innesota, as com pared to the country as a whole.

Electronically Served 9/22/2017 10:33 PM Hennepin County, MN 27-CV-10-28862 Filed in Fourth Judicial District Court 11/17/2017 7:31 PM Hennepin County, MN STATE OF MINNESOTA DISTRICT COURT FOR THE COUNTY OF HENNEPIN FOURTH JUDICIAL DISTRICT CIVIL ACTION NO. 27-CV-10-28862 STATE OF MINNESOTA, et al. v. 3M COMPANY EXPERT REPORT OF PHILIPPE GRANDJEAN, MD, DMSc PREPARED ON BEHALF OF PLAINTIFF STATE OF MINNESOTA 22 September, 2017 CONFIDENTIAL - SUBJECT TO A PROTECTIVE ORDER ENTERED IN HENNEPIN COUNTY DISTRICT COURT, NO. 27-CV-10-28862 27-CV-10-28862 Filed in Fourth Judicial District Court 11/17/2017 7:31 PM Hennepin County, MN in elderly subjects from the Faroe Islands, where exposure levels are sim ilar to background levels in the US (unpublished results). h.

From: To: CC: Sent: Subject: Corl III, William E CIV Chemist, LQAO, C1198 Fletcher, Steven G CIV NAVSEA HQ, SEA 05; Willey, Janice L CIV SEA04X, LQAO Adelson, Jordan M CIV SEA04X, LQAO; Brown, Kim P CIV NAVFAC HQ, EV; Corack, Jennifer M CIV NAVFAC Atlantic, EV 3/15/2017 12:49:20 PM RE: Newly Discovered PFASs Steven, More typical Jennifer Fields work to identify other compounds present.