3M Specialty Materials 3M Center St.

3M Corporate Toxicology and Regulatory Services 3M Center.

P-1 TSCADocument Processing Center Attn: Section 8(eVFYI yf fL 7 - 7 i- 3 7 3 S Attachment 2 p- 2 July 28,2006 Page 5 of 5 Axys Analytical Services Laboratory - Form 1A and Form 2 (2 pages) P-2 P-3 s r.......... 7 ' "r *'*.".* *'"' ______;______

Final Report Mortality of Employees of an Ammonium Perfluorooctanoate Production Facility Jessica I.

ervkes" Created with Analyst Reporter Printed: 14/02/2010 6:41:00 PM Project Data File Acquisition Method Ewan's Projects\PFCs 020810b\CalLong.wiff PFCkinetexLong.dam Result Table Algorithm Used Instrument Name 02081 OSamplesLong.rdb IntelliQuan API 5000 Sample Name Acquisition Date Acquisition Method Sample ID Sample Comment PFC 5.0ppb 2/8/2010 6:45:29 PM PFCkinetexLong.dam LCMS2-85D Injection Vial Injection Volume Sample Type Dilution Factor Weight to Volume 5 5 Standard 1.00 0.00 Results Summary Analyte Name Analyte RT (Expected) PFOA 1 1.39 (1.36) PFNA 1 2.30 (2.42) PFOS 1 2.36 (2.53) PFDA 1 3.34 (3.34) PFUnA 1 4.12(4.06) PFDS 1 4.13(4.10) PFDoA 1 4.76 (4.63) PFTrA 1 5.29 (5.14) PFTeA 1 5.76 (5.74) IS Name 13C-PFOA 13C-PFNA 13C-PFOS 13C-PFDA 13C-PFUnA 13C-PFOS 13C-PFDOA 13C-PFDoA 13C-PFDOA IS Area 2766100 2154600 6761100 2111500 172740 6761100 199680 199680 199680 Analyte Area 651680 1218400 3709300 1041800 848100 3957300 578950 408680 278340 Exp Cone (ng/mL) 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 Calc.

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.

310 Bos Sfregi Dacotur.

CoSlcThLesBteurr,liVngetromnont Sample Data Summary Package SDG: 117632 STLS E V E R N TRENT November 30, 2006 Mr.

M AA6 _ O7/-S' ACUTE TO XIC ITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate; may also be referred to as PFOS, FC-95, or as a component of FC-203C and L-5440. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Rem arks: The 3M production lot number was 501.

AR9.A 6 - $ l 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 FX-3104. (1Octanesulfonic acid) (CAS # 2795-39-3).

GLP10-01-02; Interim Report 07 Analysis of PFBS, PFHS, and PFOS in Water Samples from Decatur, AL June/July 2010 GLP10-01-02: Interim Report 07 - Analysis of PFBS.

Precise Research.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 239580 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: 09/02/2005 Signature Name: Richard C.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244436 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: 03/06/2006 Signature Name: Richard C.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 245156 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: 03/30/2006 Signature Name: Richard C.