Human and Ecological Risk Assessment - Earthjustice

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Appendix CAttachment C-2: Hydrogeologic EnvironmentHydrogeologic SettingHydrogeologic Environment (continued)Hydrogeologic EnvironmentPlant Code Description Code DescriptionRodemacher 10Ba River Alluvium With6 River Valleys and FloodplainsOverbank Depositswith Overbank DepositPercentageComment50 Setting percentage determined from Heath,productive aquifer, and surficial geologycoveragesRoxboro 8D Regolith 1 Metamorphic and Igneous 100 Based on surficial geology, productiveaquifersSandow 10Ab Unconsolidated and Semi-Consolidated ShallowSurficial Aquifer10 Unconsolidated andSemiconsolidated ShallowAquifers100 Setting based on aquifer and surficialgeology coverages; Heath region coverage isincorrect (based on Heath [1985] and aquifercoverages)Scherer 8D Regolith 1 Metamorphic and Igneous 100 Most common Piedmont setting (residuum)Shawnee 10Bb River Alluvium WithoutOverbank DepositsShawville 6Da Alternating Sandstone,Limestone and Shale - ThinSoilSheldon 7Aa Glacial Till Over BeddedSedimentary Rock7 River Valleys and Floodplainswithout Overbank Deposits100 Predominant alluvial setting (100%alluvium); soils have low fines (SCL = 9%)2 Bedded Sedimentary Rock 100 Setting based on aquifer coverages & Heath(1985); thin regolith inferred from colluvium3 Till Over Sedimentary Rock 30 Percentage based on productive aquifercoverage; buried valley indicated by Heath(1985)Sheldon 7D Buried Valley 4 Sand and Gravel 70 Percentage based on productive aquifercoverage; buried valley indicated by Heath(1985)South OakCreek7AcGlacial Till Over SolutionLimestoneSpringerville 4B Consolidated SedimentaryRockSt Johns RiverPowerStanton EnergyCtr12 Solution Limestone 100 Setting based on aquifer and soil coverages(high SCL soils)2 Bedded Sedimentary Rock 100 Assigned based on productive aquifers(consolidated sandstone)11B Coastal Deposits 4 Sand and Gravel 100 Based on sea island surficial geology11ASolution Limestone andShallow Surficial Aquifers12 Solution Limestone 100 Based on both aquifer coverages(continued)April 2010–Draft EPA document.C-2-17
Appendix CAttachment C-2: Hydrogeologic EnvironmentPlantStockton CogenCompanyStockton CogenCompanyHydrogeologic SettingHydrogeologic Environment (continued)Hydrogeologic EnvironmentCode Description Code Description2C Alluvial Fans 5 Alluvial Basins Valleys andFans2HaRiver Alluvium WithOverbank Deposits6 River Valleys and Floodplainswith Overbank DepositPercentageComment50 Percentage based on surficial geology;Central Valley soils show significant fines50 Percentage based on surficial geology;Central Valley soils show significant finesSyl Laskin 9E Outwash 8 Outwash 60 Percentage based on surficial geologySyl Laskin 9Ga River Alluvium WithOverbank DepositsTecumseh EC 7Ea River Alluvium WithOverbank DepositsTexas-NewMexico10AbUnconsolidated and Semi-Consolidated ShallowSurficial AquiferTitus 6Db Alternating Sandstone,Limestone and Shale - DeepRegolith6 River Valleys and Floodplainswith Overbank Deposit6 River Valleys and Floodplainswith Overbank Deposit10 Unconsolidated andSemiconsolidated ShallowAquifers40 Percentage based on surficial geology100 Alluvial valley with low coarse soils (
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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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Appendix CSite DataWMU and the wate
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Page 261 and 262: Appendix CSite DataRF1 Reach Types
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Page 265 and 266: Appendix CSite DataHydrologicRegion
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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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