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

EXECUTIVE SUMMARY - Detection Highlights D7C140365 PARAMETER RESULT REPORTING LIMIT UNITS / DRRWTP RAN HATER 03/13/07 13:05 001 PFOS PFOA 0.0073 J 0.010 0.0068 J 0.015 ug/L ug/L DRRWTP INLET 03/13/07 07:55 002 PFOS PFOA 0.0066 J 0.010 0.0069 J 0.015 ug/L ug/L ^ D R R W T P SETTLED 03/13/07 07:55 003 PFOS PFOA r 0.0086 J 0.010 0.0073 J 0.01S ug/L ug/L DRRWTP FILTER EFFLUENT 03/13/07 07:55 004 PFOS PFOA 0.0052 J 0.010 0.0062 J 0.015 ug/L ug/L DRRWTP PLANT EFFLUENT 03/13/07 07: 55 005 PFOS PFOA 0.0059 J 0.010 0.0068 J 0.015 ug/L ug/L BIRCH CREEK WELL 6 03/13/07 10:40 Oil PFOS PFOA 0.0064 J 0.010 0.052 0.015 ug/L ug/L BIRCH CREEK NELL 6 POST FILTER 03/13/07 10:50 012 pros PFOA 0.0054 J 0.010 0.052 0.015 ug/L ug/L BIRCH CREEK NELL 6 POH 03/13/07 11:06 013 PFOS PFOA 0.0066 J 0.010 0.050 0.015 ug/L ug/L BIRCH CREEK NELL 4 03/13/07 11:00 014 PFOA 0.030 0.015 ug/L ANALYTICAL METHOD DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DBM -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 STL Denver CONFIDENTIAL, SUBJECT TO PROTECTIVE ORDER IN ROWE/COLES 3 NJAW000257 EXECUTIVE SUMMARY - Detection Highlights D7D1B0342 PARAMETER RESULT REPORTING LIMIT UNITS BIRCH CREEK BOB 04/17/07 08:25 001 PFOS PFOA 0.0067 J 0.010 0.062 0.015 ug/L ug/L BIRCH CREEK HELL 6 04/17/07 08:20 002 PFOS PFOA 0.0072 J 0.010 0.061 0.015 ug/L ug/L BIRCH CREEK WELL 4 04/17/07 08:45 003 PFOS PFOA 0.0021 J 0.010 0.029 0.015 ug/L ug/L DRKWTP INLBT 04/17/07 13:05 004 PFOS PFOA 0.0045 J 0.010 0.0094 J 0.015 ug/L ug/L ERRWTP EE 04/17/07 13:05 005 PFOS PFOA 0.0047 J 0.010 0.010 J 0.015 ug/L ug/L ANALYTICAL METHOD DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 DEN -LC-0012 STL Denver CONFIDENTIAL, SUBJECT TO PROTECTIVE ORDER IN ROWE/COLES 3 NJAW001584

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244884 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 03/20/2006 Signature Name: Richard C.

f i d Q.SL& - 0 6 3 J I 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-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3).

M A 2 6 - 07/6 ACUTE TOXICITY TO FISH (BLUEGILL SUNFISH) 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).

A k 2.36 - 0 3 o S ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: Mixture containing Perfluorooctanesulfonate; may also be referred to as PFOS, FC-95, or as a component of FC-3072. (1Octanesulfonic acid) (CAS # 2795-39-3).

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30 June 2003 To: Mary F.

AR226-1484 3M WASTEWATER TREATMENT PLANT LEGEND ra Monitor well Sampled 3/28/01 |T| Monitor well Sampled 7/16/03 m Monitor well Sampled 3/28/01 and 7/16/03 | C:\Decatur\GIS\3mdec\SiteLayout\aprs\SamplingLocations.apr | Fig 1 1q:\3mdec\plts\rfi_figure_1-fc.eps 14:17 PM, 7/31/20031 N 200 0 200 400 Feet 3M Decatur Site Morgan County, Alabama RCRA Facility Investigation Figure 1 FC Sampling Locations

3M Specialty Materials 3M Center St.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 245986 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 05/05/2006 Signature Name: Richard C.

JEFFERSON MEDICAL COLLEGE of THOMAS JEFFERSON UNIVERSITY h < Daniel Baugh Institute Department of Anatomy O ffic e o f the Director and Chairman Philadelphia, 19107 (215) 928-7820 V.

AR.1&-CH34 ( r -'h IN VITRO MICROBIOLOGICAL MUTAGENICITY ASSAYS OF 3M COMPANY COMPOUNDS T-2247 CoC AND T-2248 CoC Final Report 5 September 1978 By.: Vincent F.

Attachments to Letter to C.

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