AR226 _ 14 TH B 000161 - _. .

i 19 of 30 AR 826 - 1503 C-8 DATA SUMMARY REPORT CONSENT ORDER GWR-2001-019 DuPont Washington Works Facility and Local, Letart And Dry Run Landfills February2003 ProjectNo.T74o23mes Preparedby 18)9 ON NIvInDD QUPORR CORPORATE REMEDIATION GROUP An Alliance between i DuPont and URS Diamond : Barley Mill Plaza, Building 27 00000: # Wilmington, Delaware 19805 3 i OEPA 4053 ary DuPont Engineering February5,2003 Er WestVigini DeparofEtnvmiroenmnenttal Protection Divisionof WaterResources C12h01GarerenlbWreieessrtStVtiroregenitn,ia 25311-1088 tdSeraaee mtnehu IFi "Tre mn FEB - 6 2003 ofic i - oe RE: CCo4nsDeanttaOSrudemrmaGrWyRR-e2p0o0r1t019 DearMi.

BACK TO MAIN Lab0ratoyRep-t-Revision1 Analytical Reportof Data for PFOS Dietary LC50 Studiyn Northern Bobwhite (Sera and Liver) Laboratory Report No.FACT-TOX-129 (U2723) Testing Laboratory ~~~ ~ 3M Environmental Technology& Safety Services 3M Environmental Laboratory FluorineAnalybcal Chemistry Team (FACT) 2-3E-09 935 Bush Avenue, St.

BACK TO MAIN TO: M.

BACK TO MAIN WATER SOLUBILITY TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

3M Environmental LaboratoryStudy BACK TO MAIN Analytical Report: FACT GEN-050 LlMS E01-0096 Analytical Laboratory Repott Title Determination of PFOS, PFOSA, and PFOA Levels in - Surface Water Samples from Port St.

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.

BACK TO MAIN Focus Environmental, Inc.

,, Benchmark Doses for Liver Tumors in Sprague Dawley Rats fed ' Perfluorooctane Sulfonic Acid Potassium Salt (PFOS) Introduction David W.

Po. - Ketio.Rot, AD.

SpecPiraoflH.seiGdlioHnvoaCdnihaoiunCoaoestLaavoro PaCUnnaittveeNrrasstgaaidiMo,agki1Si.3n7o1t3o11lVVLeadrEvooRnraAo cr coAHTAOoEnansari0:r33o8zs AR226-1866 Spett MDiIrTezEioNneS.A.

. . . 3M General Offices Lwmocesnerses ne ME A951 AR226-1895 3M September 24, 20G4 STF 27 [1 6:15 Nv BpP-or07B-7/75 24p.

January 2005 Supplemental Noticeof Contamination Page 1 0f3 AR2%-1937 January 2005 Supplemental Notice of Contamination Little Hocking's November 2004 Sampling Results In June, 2004, the Little Hocking Water Association ("Little Hocking") sent out a Notice. reminding our members that drinking or otherwise using water contaminated with C8 may pose health risks.

Karine E Ret, 0.

AXY5 YE'"400 MU431 R."01 CLIENT ID: Lab Nan,.: AXYS *NALYTNX.