AR226-2556 June 23, 2000 Dr.

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Taft/ Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800/ Cincinnati, OH 45202-3957/Tel: 513.381.2838/Fax: 513.381.0205/www.taftlaw.com Cincinnati / Cleveland / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing Robert a .

GLP10-01-02; Interim Report 19 Analysis of PFBS, PFHS, and PFOS in Water Samples Off-Site BP Property - July 2011 GLP10-01-02: Interim Report 19 - Analysis of PFBS.

3M ENVIRONMENTAL LABORATORY REPORT NO.

\f vasr ntrA AUEnpnvoitinerdeoynSmtaetnetsal Protection flRl%-COOO A<C1no7dm03Pm}uubnhiecaAtilofsnirs*, SdaeaSem, Environm ental News FOR RELEASE: TUESDAY, MAY 16,2000 Following negotiations between EPA and 3M, the company today announced that it will voluntarily phase out and End substitutes for pcrfluorooctanyl sulfonate (PFOS) chemistry used to produce a range of products, ipppnolecartlnesuinssdtttiieonanlgpltyhsinaopsmotehseeeooueaftnrtvaihnsirekdoirntdomSeheveouentmltco*hpahgnsaauhvrbedesaaltliitntshuetrtsaoe.nsnd3gbMtytheeyndeedaanetravn'scisryueopnntopdmlafieeocndcrtuttohomveEueplrPartAothedeiiunnlcodthniicouganmtteeoardnfmttahh.neaEditrPtahiAnneivsmsoeulacvplheptediosmrsptuisrcoeatdshluseacnactdrose.mcvopeuarlyndy's eliminat"eTdo,daanyd'sppuhbaliscehoeuatlathnnaonudntcheemeennvtirboyn3mMenwt willilelnbseurperothteacttfeudt,u"rseaeidxpEoPsAureAtdomthineissetrcahtoemr CicaarloslwMil,lBbreowner.

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'aceAnalytical F ie ld Services Division 3 Prepared by: Pace Analytical Services, Inc.

ATTACHMENT TO LETTER OF JUNE 28, 2001 BACK TO COMPOUNDS 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE DOCUMENTS Click on Study Title to View Report COMPOUND-SPECIFIC STUDIES PFOS Perfluorooctane Sulfonate Repeat Dose Studies 1.

BACK TO MAIN PERFLUOROOCTANESULFONATE, POTASSIUM SALT (PFOS): A FLOW-THROUGH BIOCONCENTRATION TEST WITH THE BLUEGILL (Lepomis macrochirus) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

BACK TO MAIN DIETARY ACUTE MALLARD DUCK STUDY REVISED Tissue analysis is now included.

BACK TO MAIN WATER SOLUBILITY IN PURE WATER TEST SUBSTANCE___________ Identity: Perfluorooctanesulfonyl fluoride; may also be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, CAS # 307 35-7).

BACK TO MAIN June 25, 2001 Overview of the 3M Company Study "An Epidemiologic Analysis of Episodes of Care of 3M Decatur Chemical and Film Plant Employees, 1993-1998" The analysis of administrative databases, including health insurance claims data, have been infrequently reported in occupational epidemiologic research studies.

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71 pp Ann K.