- 3M ENVIRONMENTAL LABORA TORY REPORT NO.

TSCA Document Processing Center Attn: Section 8(e)/FYI M2.Z6 - 373V August 10,2006 Page 4 of 10 Attachment 1 July 19, 2006 "Note for settling parties" from the Science Panel (1 page) Note for settling parties We have prepared some outline protocols for several interlinked research components addressing the potential health effects of exposure to C8 around the Washington Works plant.

September 29,2006 Page 3 ATTACHMENT 2 Tables and excerpts from the draft protocols that contain raw data C-8 blood levels.

Sanitized Version for the AR-226 Public Electronic Docket (CBI and copy restricted documents removed) Index DOCUMENT DESCRIPTION NO.

I Betty Boros-Russo - FW: L2535805 City of Salem PFOA/PFOS (3rd round of samples) From: To: Date: Subject: "Fred Mucci" <fmucci.salem@verizon.net> "'Betty Boros-Russo'" <Betty.Boros-Russo@dep.state.nj.us> 1/29/2008 9:40:16 AM FW: L2535805 City of Salem PFOA/PFOS (3rd round of samples) Good Morning Ms.

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P-1 "McCrea, Deborah" <mccrea@taftlaw.com> 03/15/2010 02:08 PM To NCIC OPPT@EPA cc "Bilott, Robert A." < bilott@taftlaw.com> bcc Subject 03/15/2010 Letter To EPA Docket Center Taft / Deborah McCrea / Legal Assistant Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 Cincinnati, Ohio 45202-3957 Tel: 513.381.2838 Fax: 513.381.0205 www.taftlaw.com / mccrea@taftlaw.com Internal Revenue Service Circular 230 Disclosure: As provided for in Treasury regulations, advice (if any) relating to federal taxes that is contained in this communication (including attachments) is not intended or written to be used, and cannot be used, for the purpose of (1) avoiding penalties under the Internal Revenue Code or (2) promoting, marketing or recommending to another party any transaction or matter addressed herein.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 249892 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.

STL Burlington Colchester, Vermont Sample Data Summary Package SDG: 117507 STLS E V E R N TRENT November 30, 2006 Mr.

M & U 6 - 07LO MICROBIAL INHIBITION (DEHYDROGENASE ACTIVITY TEST) 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).

Katherine E.

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SEVERN 1 REN T STL STL Chicago 2417 Bond Street University Park, IL 60466 Tel: 708 534 5200 Fax: 708 534 5211 HWW.Si/-ff7C.C0fn SEVERN TREN T LA B O R A TO R IES i l t io JOB NUMB ER : 233 5 07 P r e p a r e d "Por: W e s Lon Soluti, o n s , Inc . 14 0 C -Weston Way B u i l d i n g 5-2 :: .

CHAIN OF CUSTODY / ANALYSIS REQUEST FORM Tuscaloosa Testing Laboratory PAGE 1 o f j g T: 256-353-2910 PROJECT INFORMATION Client: Weston Solutions, Inc. 1400 Weston Way, Bldg. 5-2 West Chester, PA 19380 T: 610-701-3761 F: 610-701-7401 Project Manager: Jai Kesari emcail: j.kesari@westonsolutions.com Project Name: Reference No: Decatur, AL FSIA GP Investigation 02181-129-081-0001 1 ANALYSES REQUESTED Sampler: T.