t r a d e SF.rRFT AR226-3095 Study Tide Laboratory Project ID: HLO-1998-01285 Data Requirements: Author: David Gabriel Study Completed on: April 17,1998 P erforming Laboratory: ConTox Ltd.

AR226-3109 FILE No. 715 02/12 '99 09:19 ID:DUPONT JACKSON LAB RflllO 609 540 4463 CONFIDENTIAL FEB -1999 y PAGE : :^ ^iiNOTE- L -esis^y4?

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RSCYCLEO [S O 000223 )> /Wf ~9VVW From: To: Barbara J Dawson on 10/19/2000 12:06 PM Beth F Basham/AE/DuPortt@DuPont, Aaron Chen/AE/DuPont@DuPont, Michaei J Daly/AG/DuPont@DuPont, Nicholas J DeStefano/AE/DuPont@DuPont.

RECYCLED > 000455 I 05 REVIEW OF WASHINGTON WORKS C-8 DATA PERSONNEL AIR MONITORING AND BLOOD Th e r e v i e w o f b l o o d d a t a v s . c u r r e n t p e r s o n n e l a i r m o n i t o r i n g DATA MUST BE VIEWED AS A TECHNICAL STUDY WHICH DEMONSTRATES THE CORRELATION BETWEEN C-8 IN AIR, C-8 SKIN EXPOSURE, AND BLOOD LEVELS.

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At2Z< '3 % 13 Studies on the Toxicological and Environmental Properties of PFBA as of July 2008 I.

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Taft/ Taft Stettinius & Hollister LLP 4 2 5 W alnut Street, Suite 1 8 0 0 / Cincinnati, OH 4 5 2 0 2 -3 9 5 7 / Tel: 5 1 3 .3 8 1 .2 8 3 8 / Fax: 5 1 3 .3 8 T V 0 2 0 5 /w w w .taftlaw .com C in cin n a ti/C lev e la n d /C o lu m b u s / Dayton / Indianapolis / Northern Kentucky / Phoenix/ Beijing Robert A.

ANALYTICAL REPORT '/k^/oy STL A/3G 3 3 7 \jC STL Denver 4 9 5 5 Yarrow Street Arvada, CO 8 0 0 0 2 Tel: 3 0 3 7 3 6 0 1 0 0 Fax: 3 0 3 4 3 1 7 1 7 1 www.stl-inc.com PFOA/PFOS Analysis Lot#: D7G270329 Laura Vancho/Jane Hanuszczyk NJ American Water 213 Carriage Lane Delran, NJ 08075 TestAmerica Denver Gail DeRuzzo Project Manager August 12,2007 DEP2-SDWB-000001 METHODS SUMMARY D7G270329 ANALYTICAL PARAMETER_________________________________________ METHOD______ LC/MS/MS, PFOA DEN -LC-0012 References: DEN Severn Trent Laboratores, Denver, Facility Standard Operating Procedure.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 245318 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: 04/07/2006 Signature Name: Richard C.

STL Burlington Colchester, Vermont Extended Data Package SDG: 117507 Case Narrative Chain of Custody................................................................................................

A R a .a -6 - 0 9 \ & ACUTE TO XIC ITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE_________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3103. (1Octanesulfonic acid) (CAS # 2795-39-3).