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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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.

Katherine E.

AR226 1089 NB-eEntchhymlaPrekrfDlousoersoofcotraTnuemsuolrfsonianmSipdroaEgtuheanDoalwl(eNy-ERtaFtOsSfEe)d David W.

a. iin RwoEsiregmrnrsAea.rmeBcsoosmr AR TAFT, STETTINIUS & HOLLISTER LLP 1800 FIRSTAR TOWER 425 WALNUT STREET CINCINNATI, OHIO 45202-3957 Fa51S3.t38a1.r28a3m8es ewtatnucom March 18, 2002 CERTIFIED MAIL RETURN RECEIPT REQUESTED 426 _ 1174 . al Sai Bint sr 3g SE 3220 Son z 308 2 = No. 7000 1670 0009 4961 7436 No. 7000 1670 0009 4961 7429 David P.

21 PP DDuuPPoonotpFroludourcotsproducts AR226-1538 DuPont Fluoroproducts Chestnut Run Plaza P.

Attachments toLetter to C.

AR226 - 0TH yrmse Contain NO CBI EH _12R 00_ 3773 December 4, 2000 Pp HR oo bq S55 Document Processing Center (7407) (Attn: Section 8(e) Coordinator) Office of Toxic Substances US EPA 401 M Street, SW.

BACK TO MAIN BIODEGRADATION (Anaerobic Sludge) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was 217 (TN-A-2130).

Toxicological Summary PFOS Dictary Chronic Plot Reproductive Study: Mallard TestSubstance: Perforoocincsul(fPoFnOaSe) Structure: est Remarks: potion salt CASH 2795.39 1-Octanesulfonic acid, 1,1,2.2,3,3,4,4,5,5,6,6,7,7.8,88-heptadecafluoroTShoereestdsebssiaamnbcieesnacownhdiittiopnosw,daenrd(pBuMttLyowtas#2d17e)t.rTmihneesdamtopl6ew8a6s.9% by LC/MS, "H-aN ndeMlemRent,al analysis techniques.

_------- sm ee AR226-194T STUDY TITLE Exiacion of PoftoarsAsniaulmysPiesfUlsuicnrgoHoPtLaCns.uEfloenaotseprfaoymMMaaslslaSrpdcSceuroummeannd Millard ivr DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDY COMPLETED ON September 06,2001 PERFORMINGLABORATORY [TESTING FACILITY Centre AnaSlyu3t0ti4ca8CloRlLleaesbgoee,raactPhoAriDer1si6,v8eI0n1c.

226-2047 ^ Roger J Zipfel 07/27/2001 01:30PM To: cc: Subject John E Crum/SBDuPont@DuPont Ta-Wei Fu/CL/DuPont@DuPont Re: C-8 sampling Q John, this is very perplexing information.

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 :: .