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,,.,)HAZLMMON W IS C 0 N S IN POST OFFICE BOX 75,45 s MADISON.

ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may also be referredto as PFOA ammonium saltA,mmonium perfluorooctanoateP,FO, FC-1 16, FC-126, FC-1 69, FC-143, oras a major component of FX-1003.

TOXICITY TO AQUATIC PLANTS (E.G.

ACUTE TOXICITY TO FISH (BLUEGILL SUNFISH) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-783. (1Octanesulfoniaccid)(CAS # 2795-39-3).

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component of FX-3104. (1Octanesulfonicacid)(CAS # 2795-39-3).

MICROBICS MICROTOXID TOXICITY TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFX-3106.

ntpeAnalyticaLlabopatopieIsn,c. 3048ResearchDrive Phone: (814)231-8032 StateCollege,PA 16801 Fax: (814)231-1253 or (814)231-1580 Ana@fi(;Raelport Fluorochemical Characterizationof Surface Water Samples Decatur,Alabama (Wl979) Centre AnalyticalLaboratory Report No. 023-007B Testing Laboratory CentreAnalyticaLlaboratoryI,nc. 3048 Research Drive StateCollege,PA 16801 3M Environmental Laboratory Contact Kent R.

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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.

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DuPont Haskell Global Centers for Health and Environmental Sciences 1090 Elkton Road, P .O .

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3M Environmental Laboratory ( Final Report- Analytical Study Single-dose DermalAbsorption/Toxicity Study of T-6049 in Rabbits In-Vivo Study Reference Number: HWI#6329-130 Study Number: AMDT-020895.1 Test Substance: FC-95 (T-6049) Name and Address of Sponsor: 3M SCD Division 367 Grove Street St.

28 Day Percutaneous Absorption Study inw'iAeinbirngosRsabbits : 5 Z Srpesinent.