Human and Ecological Risk Assessment - Earthjustice

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Appendix CAttachment C-2: Hydrogeologic EnvironmentHydrogeologic SettingHydrogeologic Environment (continued)Hydrogeologic EnvironmentPlant Code Description Code DescriptionLeland Olds 7Eb River Alluvium Without 7 River Valleys and FloodplainsOverbank Depositswithout Overbank DepositsLeland Olds 7G Thin Till Over BeddedSedimentary RockLon Wright 7Ea River Alluvium WithOverbank DepositsLon Wright 7Eb River Alluvium WithoutOverbank DepositsLouisa 7Ea River Alluvium WithOverbank DepositsLouisa 7Eb River Alluvium WithoutOverbank DepositsMarion 7Aa Glacial Till Over BeddedSedimentary RockPercentageComment50 Percentage based on surficial geology;assumed coarse soils3 Till Over Sedimentary Rock 50 Percentage based on surficial geology;assumed coarse soils6 River Valleys and Floodplainswith Overbank Deposit7 River Valleys and Floodplainswithout Overbank Deposits6 River Valleys and Floodplainswith Overbank Deposit7 River Valleys and Floodplainswithout Overbank Deposits30 Alluvial based on predominant Heath,productive aquifer; percentage based on soiltextures70 Alluvial based on predominant Heath,productive aquifer; percentage based on soiltextures50 Alluvial Valley; significant coarse-graineddeposits50 Alluvial Valley; significant coarse-graineddeposits3 Till Over Sedimentary Rock 100 Assigned to Glaciated Central region basedon surficial geology (pre-Wisconsin drift)Marshall 8D Regolith 1 Metamorphic and Igneous 100 Based on surficial geologyMartin Lake 10Ab Unconsolidated and Semi-Consolidated ShallowSurficial Aquifer10 Unconsolidated andSemiconsolidated ShallowAquifers100 Setting based on aquifer and surficialgeology coveragesMayo 8D Regolith 1 Metamorphic and Igneous 100 Based on surficial geologyMeramec 7Ea River Alluvium WithOverbank Deposits6 River Valleys and Floodplainswith Overbank Deposit100 Based on surficial, predominant HeathMerom 7D Buried Valley 4 Sand and Gravel 100 Glaciofluvial aquifer overlaid by alluvialdepositsMiami Fort 7Ea River Alluvium WithOverbank Deposits6 River Valleys and Floodplainswith Overbank Deposit100 Assigned based on productive aquifers,surficial geology and soil (3% SNL)(continued)April 2010–Draft EPA document.C-2-13
Appendix CAttachment C-2: Hydrogeologic EnvironmentHydrogeologic SettingHydrogeologic Environment (continued)Hydrogeologic EnvironmentPlant Code Description Code Description PercentageCommentMilton R Young 7G Thin Till Over Bedded 3 Till Over Sedimentary Rock 100 Based on principal aquifer and surficialSedimentary Rockgeology coveragesMitchell 6Da Alternating Sandstone,Limestone and Shale - ThinSoilMitchell 6Fa River Alluvium WithOverbank DepositsMitchell 6Fa River Alluvium WithOverbank DepositsMohave 2Ha River Alluvium WithOverbank DepositsMonroe 7Ea River Alluvium WithOverbank DepositsMorgantown 10Ab Unconsolidated and Semi-Consolidated ShallowSurficial AquiferMountaineer(1301)6FaRiver Alluvium WithOverbank DepositsMt Storm 6Da Alternating Sandstone,Limestone and Shale - ThinSoilMuscatine Plant#1Muscatine Plant#17Ea7EbRiver Alluvium WithOverbank DepositsRiver Alluvium WithoutOverbank DepositsMuskogee 6Fa River Alluvium WithOverbank Deposits2 Bedded Sedimentary Rock 60 Percentage based on surficial geology; thinregolith inferred from colluvium6 River Valleys and Floodplainswith Overbank Deposit6 River Valleys and Floodplainswith Overbank Deposit6 River Valleys and Floodplainswith Overbank Deposit6 River Valleys and Floodplainswith Overbank Deposit10 Unconsolidated andSemiconsolidated ShallowAquifers6 River Valleys and Floodplainswith Overbank Deposit40 Percentage based on surficial geology; soils 0% SNL100 Setting based on surficial geology; low SNL(< 1%) = overbank deposits100 Setting based on predominant surficialgeology, Heath (1985)100 Based on Heath region, productive aquifers,soils100 Assigned based on location and aquifer andsurficial geology coverages; Heath regionincorrect (it's Atlantic Coastal Plain, notPiedmont)100 Setting based on surficial geology; low SNL(10%) = overbank deposits2 Bedded Sedimentary Rock 100 Setting based on surficial geology, aquifercoverages; thin soils inferred from surficialgeology6 River Valleys and Floodplainswith Overbank Deposit7 River Valleys and Floodplainswithout Overbank Deposits6 River Valleys and Floodplainswith Overbank Deposit50 Alluvial Valley; significant coarse-graineddeposits50 Alluvial Valley; significant coarse-graineddeposits100 Surficial geology indicatesalluvium/colluvium; Heath (1985) indicatesfine soils over sands and gravels(continued)April 2010–Draft EPA document.C-2-14
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This draft document has been prepar
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CCWTable of ContentsTable of Conten
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CCWTable of ContentsList of Figures
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CCWTable of Contents4-22. Summary o
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CCWList of AcronymsAcronymDefinitio
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CCWList of AcronymsApril 2010-Draft
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Executive SummaryHuman and Ecologic
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Section 1.0Introduction1.0 Introduc
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Section 1.0Introduction1.3.2 Exposu
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Section 1.0IntroductionThis methodo
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Section 1.0Introduction1.4 Document
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Section 2.0Problem Formulationdata
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Section 2.0Problem FormulationTable
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Section 2.0Problem Formulationsmall
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Section 2.0Problem FormulationFigur
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Section 2.0Problem Formulationonsit
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Section 2.0Problem Formulation2.3 S
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Section 2.0Problem Formulationand C
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Section 2.0Problem Formulationof dr
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Section 3.0Analysisscale analysis.
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Section 3.0Analysis• The RfD is a
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Section 3.0Analysis3.1.2 Ecological
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Section 3.0AnalysisEcological Risk
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Section 3.0Analysisfor the screenin
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Section 3.0AnalysisTable 3-5. Scree
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Section 3.0Analysisapproximately 30
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Section 3.0Analysisthose input file
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Section 3.0AnalysisCCW Waste TypesC
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Section 3.0Analysis• An in-depth
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Section 3.0Analysisused to determin
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Section 3.0Analysisconsolidation. A
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Section 3.0Analysis3.4.4 Model Outp
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Section 3.0Analysisclogged region o
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Section 3.0Analysissurface impoundm
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Section 3.0Analysisobtained from a
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Section 3.0AnalysisIn the saturated
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Section 3.0Analysis• The receptor
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Section 3.0Analysissediment and por
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Section 3.0AnalysisTable 3-11. Alum
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Section 3.0Analysischild was aged f
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Section 3.0Analysisa per kilogram b
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Section 3.0AnalysisNoncancer risk w
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Section 4.0Risk Characterization4.0
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Section 4.0Risk CharacterizationNot
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Section 4.0Risk Characterization90t
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Section 4.0Risk Characterizationbas
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Section 4.0Risk CharacterizationZer
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Section 4.0Risk Characterization4.1
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Section 4.0Risk Characterizationund
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Section 4.0Risk CharacterizationLin
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Section 4.0Risk CharacterizationRis
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Section 4.0Risk CharacterizationTab
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Section 4.0Risk CharacterizationThe
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Section 4.0Risk Characterizationin
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Section 4.0Risk Characterizationand
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Section 4.0Risk Characterizationdis
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Section 4.0Risk Characterizationana
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Section 4.0Risk Characterizationmay
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Section 4.0Risk Characterizationval
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Section 4.0Risk Characterizationars
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Section 4.0Risk Characterizationwas
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Section 4.0Risk Characterizationche
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Section 4.0Risk CharacterizationMer
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Section 4.0Risk CharacterizationWat
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Section 4.0Risk CharacterizationEPA
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Section 4.0Risk CharacterizationEco
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Section 4.0Risk Characterization•
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Section 4.0Risk Characterization•
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Section 5.0ReferencesFinkelman, R.B
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Section 5.0ReferencesU.S. EPA (Envi
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Section 5.0Referenceshttp://www.epa
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Section 5.0ReferencesDisposal of Co
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Appendix AConstituent DataA.1 Data
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Appendix AConstituent DataA.2.1 Sel
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Appendix AConstituent Data2. Select
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Appendix AAttachment A-1: Sources o
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April 2010-Draft EPA document.[This
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Appendix AAttachment A-2: CCW Const
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Appendix A Attachment A-3Table A-3-
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Appendix A Attachment A-3Cr IIIHgAg
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Appendix A Attachment A-3NO3CNCd, C
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Appendix BWaste Management UnitsWas
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Appendix BWaste Management Units•
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Appendix BWaste Management Units(e.
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Log(capacity, cubic yards)Log(area,
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Appendix BWaste Management UnitsB.7
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Appendix BAttachment B-1: CCW Dispo
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Appendix BAttachment B-1: CCW Dispo
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Appendix BAttachment B-2: CCW WMU D
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Page 245 and 246: Appendix BAttachment B-2: CCW WMU D
Page 247 and 248: Appendix CSite DataWMU and the wate
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Page 257 and 258: Appendix CSite DataFigure C-2. EPAC
Page 259 and 260: Appendix CSite DataEPACMTP Climate
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Page 265 and 266: Appendix CSite DataHydrologicRegion
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Appendix EAttachment E-1: Surface W
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Appendix EAttachment E-1: Surface W
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Appendix EAttachment E-2: Fish Conc
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Appendix EAttachment E-3: Intake Ra
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Appendix FHuman Exposure Factorswer
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Appendix FHuman Exposure FactorsBec
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Appendix FHuman Exposure FactorsF.1
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Appendix GHuman Health BenchmarksG.
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Appendix GHuman Health BenchmarksHu
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Appendix GHuman Health BenchmarksU.
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Appendix HEcological BenchmarksRisk
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Appendix HEcological BenchmarksH.1.
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Appendix HEcological BenchmarksCons
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Appendix HEcological BenchmarksU.S.
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Appendix ICalculation of Health-Bas
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Appendix JChemical-Specific Inputs
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Appendix JChemical-Specific Inputs
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Appendix KScreening Analysis Result
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Appendix LTime to Peak Concentratio
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