AR226-2953 FOR DU POUT USE ONLY Du Pont HLR 121-91 Approximate Lethal Dose (ALD) of tin Rats Author John H.

AR226-3073 DuPont HL-1997*00273 TRADE SECRET Study Title Inhalation Approximate Lethal Concentration (ALC) of H-22359 in Rats Laboratory Protect ID H L -1997-00273 j Author !

TRADE SECRET Study Title H-24002: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2926 DuPont-2926 Supplement No. 1 AR226-3216 AUTHOR: Carol Finlay, B.A.

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Msne _zil8 o d 22 000216 finale,- w e ANALYTICAL RESULTS: POLYMER PRODUCTS - IN BLOOD WORKS Production Building Operators Building Mechanic July-August 1981 First Technicians Line Solution Emulsion Supervision Prep** __ f e g -- Method Development Technician 0.014 0.062 0.077 0.140 0.150 0.025 0.084 0.110 0.039 0.027 0.250 0.150 0.059 as ppm)Fluorine in Blood 0.013 0.016 N.i). 0,032 0.015 0.033 0.013 ( 0,015 ) 0.007 ( 0,007 ) 0.011 ( 0.016 ) 0.020 N.D. <0.007 <0.007 Q.0 1 0 0.096 ( 0.120 ) N.D. 0.014 0,250 0.094 0.059 0.059 0 0,033 0.018 0,007 0.120 0.036 0 0.020 0.009 Low 0 High 0 Mean Overall Range: 0-0.250, Overall Mean: 0.049 *Ammoniura Perfluorooctanoate **Duplicate numbers reported for four individuals.

3M Katherine E.

TSCA Section 8(e) Office , Vfl Attachment 2 DuPont First Chemical Blood Monitoring EIB Provided to Mississippi DEQ (2 pages) p.1 October 23,2006 Page 6 P-2 DuPont First Chemical Blood Monitoring EIB As part of an ongoing industrial hygiene program, DuPont First Chemical has been monitoring PFOA levels in blood samples taken from employee volunteers.

Katherine E.

3M General Offices August 1,2008 3M Center St.

ANALYTICAL REPORT u . f ' l PFOA/PFOS Analysis i' Lot#: D8A170279 William Grenniile Town of Newton 39 Trinity Street Newton, NJ 07860 TestAmerica Denver Michelle A.

-1- Final Report Volume 1 of 6 (Text, Figures and Tables 1-51) Study Title An Oral (Gavage) Developmental Neurotoxicity and Thyroid Function Study of MTDID 208 in Rats Study Number WIL-180017 Data Requirement EPA OPPTS Guideline 870.6300; OECD Draft Guideline 426 Study Director Donald G.

INTERIM REPORT # 8 - Analysis of Sediment Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 ' Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE 07/13/06 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

AKA.a.6 . 0 6 3 0 ACUTE TO XIC ITY TO FISH TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-201. (1Octanesulfonic add, perfluoroalkyl sulfonate salts (5) + (5140P)) (CAS # 2795-39-3) Rem arks: The 3M production lot number was Lot 1.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206C and 81-2/8. (1-Octanesulfonicadd, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

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