Interim Report #2 Epidemiology, 220-3W-05 Medical Department _." 3M Company St.

STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Mallard Serum and Mallard Liver for Analysis Using HPLC-ElectrosprayiMassSpectrometry DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDY COMPLETED ON September 06,2001 -PERFORMING LABORATORY / TESTING FACILITY Centre Analytical Laboratories, Inc.

RRA 1840 INDEX TO TSCA SECTION 8() DOCKET SUBMISSION BY 3M COMPANY (AUGUST 17, 2004) I PILOT STUDIES A.

AR226-2104 WSCSVS^BfSSSWWWt^lWW Test Results Sample Date Range Concentration Range Action Level Industrial Hygiene wm 1201/77 100% Sample Dt Sample Duration Type Employee Nairn!

AR226-2324 / Charles J Zarzecki 04/03/2003 01:34PM To: cc: Subject: Catherine A Barton/AE/DuPont Re: Beychok Article Q Cathie, I think they are really not 2separate issues- Part of the work is to look at future (raiment issues, and part of the work is to develop the required input parameters for c8 for the TOXCHEM model, which will be used to estimate c8 emissions from the wastewater treatment tanks.

AR226-2481 Roger J Zpfel 11/08/2000 02:35 PM To: cc; Subject: shamrockl wirefire.com Results from extraction studies Jeff.

AR226-2562 Meeting Notes - September 25,2001 Washington Works Groundwater Model A meeting was held on September 25, 2001, at EPA headquarters in Philadelphia to discuss the groundwater model developed for the Washington Works Plant in Parkersburg, WV.

"-1" -r- ' KEVIN J, HOPPER" GeoRiae noppeft werwito <M-BO ABMiTflSD IN KEMTUCKV KEVW J.

1260 Study number AR 236. 2711 414 | AR 05.820 AMI: StL 22 FINAL REPORT LED Biodegradation study of( C81) by microorganisms ASEM 8 `September 18, 2003 Chemicals Evaluanad tReiseaorcnh Institute, Japan Company Sanitized 000001 RAK 22D WE" Sponsor Tide Study number 14114 STATEMENT Kurume Laboratory Chemicals Evaluation and Research Institute, Japan DAIKIN INDUSTRIES, LTD Biodegradation study of ( C81) by microorganisms 14114 the 1, the undersigned, Final Report (Study heteby declare that No 14114, issued this report provides a correct English translation of on September 18, 2003, amended on October 10, 2003) Date Study Director December 2, 2003 ZY Miatam_zbn Yasuko Matsunobu 000003, on GLP STATEMENT Kurume Laboratory Chemicals Evaluation and Rescarch Institue, Japan Sponsor DAIKIN INDUSTRIES, LTD Tide Biodegradation study of C81) by microorganisms Study number 14114 This study was performed in compliance with "OECD PrinciplesofGood Laboratory.

Lp a SLaarrlyvRi.

AR226-2731 APFO CONTAINMENT AT WASHINGTON WORKS Part II - Process Water Charts Prepared for Meetings at Shimizu Jan. 20-22, 2003 Company Sanlltod.

Corporate Health Physics Corporate IndustrialHygiene & Ergonomics Corporate Occupational Medicine Corporate Toxicology 3M Medical Department 3M Center,Building220-2E-02 PO Box 33220 - St.Paul,MN 55133-3220 651 733 1110 May 3, 2000 Facsimile Dr.

PASCAGOULA BASELINE STUDY/REPORT FOR FIRST CHEMICAL CORPORATION PASCAGOULA, MISSISSIPPI Date: October 2006 Project No.: 18984786.06051 508800 Pascagoula Baseline Study/Report Table of Contents TABLE OF CONTENTS Executive Summary .............................................................................................................1 1.0 Introduction.................................................................................................................1 1.1 Background on PFOA and PFOS ......................................................................1 1.2 Report Content ...................................................................................................2 2.0 Pascagoula Region Water and Solids Sampling .........................................................3 2.1 Introduction and Background ............................................................................3 2.2 Water and Solids Field Sampling ......................................................................3 2.2.1 Surface Water and Wastewater Sampling ............................................3 2.2.2 Potable and Industrial Water Sampling................................................5 2.2.3 Groundwater Sampling.........................................................................5 2.2.4 Pascagoula POTW Sludge Sampling ...................................................6 2.3 Laboratory Analysis and Data Review - Water and Solid Samples..................6 2.4 Discussion of Analytical Results .......................................................................8 2.4.1 Surface Water .......................................................................................8 2.4.2 Groundwater.........................................................................................9 2.4.3 Pascagoula POTW Sludge..................................................................10 2.5 General Occurrence of PFOA in the Water and Solids ...................................10 2.5.1 Discussion of PFOA Concentrations in Fresh Water .........................10 2.5.2 Discussion of PFOA Concentrations in Salt Water............................11 2.5.3 Discussion of PFOA in Waste Water Treatment Facilities ................11 2.6 Summary of Water and Solids Field Sampling................................................11 3.0 Pascagoula Region Fish and Invertebrate Sampling.................................................13 3.1 Introduction and Background ..........................................................................13 3.2 Fish and Invertebrate Field Sampling ..............................................................13 3.2.1 Selected Fish Sampling ......................................................................13 3.2.2 Selected Invertebrate Sampling..........................................................14 3.3 Laboratory Analysis and Data Review - Fish and Invertebrate Samples........14 3.4 Discussion of Analytical Results for Fish and Invertebrates ...........................15 3.4.1 Fish .....................................................................................................15 3.4.2 Invertebrates .......................................................................................16 3.5 General Occurrence of PFOA in Fish and Invertebrates .................................16 3.5.1 Discussion of PFOA Concentrations in Saltwater Fish......................16 3.5.2 Discussion of PFOA Concentrations in Marine Invertebrates ...........17 3.5.3 Bioaccumulation Discussion ..............................................................17 3.6 Summary of Invertebrates and Fish Field Sampling........................................18 4.0 References.................................................................................................................19 S:\Groups\URS\WP\Pascagoula\508800 Baseline Study\Report\FCC BaselineStudyRpt.doc October 2006 i Pascagoula Baseline Study/Report Table of Contents Table 1a Table 1b Table 2 Table 3a Table 3b Table 4 Table 5 TABLES PFOA Summary Water Samples PFOS Summary Water Samples PFOA and PFOS Summary of Solids Sample PFOA Summary Biological Samples PFOS Summary Biological Samples Summary of Background Information on PFOA from the Literature Cited in This Report Biological Sample Sizes Figure 1 Figure 2 FIGURES Baseline Study Sampling Locations Groundwater and Storm Water Sample Locations Appendix A Analytical Data APPENDICES S:\Groups\URS\WP\Pascagoula\508800 Baseline Study\Report\FCC BaselineStudyRpt.doc October 2006 ii Pascagoula Baseline Study/Report Acronyms ACRONYMS Acronym APFO BCF BAF COC DuPont FCC LC/MS/MS LOD LOQ MDEQ MDL MDMR MS ND NQ g/Kg g/L ng/g NERR PBS PFOA PFOS POTW Ppb PQL QAPP QC RPD SNUR SOP STL SWPPP WWTP Definition / Description Ammonium perfluorooctanoate Bioconcentration Factor Bioaccumulation Factor Chain of Custody E.

INTERIM REPORT #26 - Analvsis of Groundwater Samples STUDY TITLE Analysis of PerfluorooctanoicAcid (PFOA) 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 REOUIREMENTS 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 January 9,2007 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.

Eby SAR .