Larry R.

AR226-2796 _ ' !

AR226-2816 Trade Secret Study Title j^HHj^TVvo Year Oral Toxicity-Oncogenicity Study in Rats Peer Review of Ovaries A u th o rs Peter C.

Company Sanitized.

AR226-2996 .

AR226-3635 3M ENVIRONMENTAL LABORATORY REPORT NO.

Katherine E.

M iZ Z ir 2727 Pace Analytical Services, Inc. 1700 Elm St.

O QG Laboratories' I S4. ly Analytical Report PETER TYRRELL UNITED WATER CITY OF ORANGE CHESTNUT STREET PLANT AT 632 BEACH STREET ORANGE, NJ 07050 Account No: C00927, UNITED WATER CITY OF ORANGE Project No: C00927, * Sample Number L25WS60^r * Sample Description CHESTNUT ST POE TREATED TP001001 Received Temp: 38 F Iced (Y/N): Y Parameter PFOA Method Sample Number LW?

STLS F.

SEVERN TRENT STL STL Chicago 2417 Bond Street University Park, IL 60466 Tel; 708 534 5200 Fax; 708 534 5211 www.stl-inc.com S iqria L /v Name: Richard Ch WrighL T it.T.e ; P ro je c t Manage r E-Mail : r w r i g h t @ s t 1 - i n c .corn This Report Contains Leaders in Environmental Testing Da Le STL Chicago 2417 Bond Street University Park, IL 60466 PHONE: (70S) 534-5200 FAX. ,, : (708) 534-521:1 Pages Severn Trent Laboratories, Inc.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 249891 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur Attention: Jai Kesari Date: 01/03/2007 Signature Name: Richard C.

"/\fL S l.olG -- D & 3> ACUTE TO XICITY TO AQUATIC INVERTEBRATES (ACARTIA TONSA) 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).

_ 075S 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-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

-M m % / A K * _ iifC Ce: S.