Human and Ecological Risk Assessment - Earthjustice

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Appendix CAttachment C-2: Hydrogeologic EnvironmentHydrogeologic SettingHydrogeologic Environment (continued)Hydrogeologic EnvironmentPlant Code Description Code Description PercentageCommentConemaugh 6Da Alternating Sandstone, 2 Bedded Sedimentary Rock 100 Setting based on aquifer coverages & HeathLimestone and Shale - Thin(1985); thin regolith inferred from colluviumSoilConesville 6Da Alternating Sandstone,Limestone and Shale - ThinSoilConesville 6Fa River Alluvium WithOverbank DepositsCouncil Bluffs 7Ea River Alluvium WithOverbank DepositsCrawford 7Ea River Alluvium WithOverbank DepositsCrist 10Bb River Alluvium WithoutOverbank DepositsCross 10Ab Unconsolidated and Semi-Consolidated ShallowSurficial AquiferCumberland 6Fa River Alluvium WithOverbank Deposits2 Bedded Sedimentary Rock 40 Percentage based on surficial geology; soilswith low (10%) SNL6 River Valleys and Floodplainswith Overbank Deposit6 River Valleys and Floodplainswith Overbank Deposit6 River Valleys and Floodplainswith Overbank Deposit7 River Valleys and Floodplainswithout Overbank Deposits10 Unconsolidated andSemiconsolidated ShallowAquifers6 River Valleys and Floodplainswith Overbank Deposit60 Percentage based on surficial geology; soilswith low (10%) SNL100 Setting based on productive aquifers100 Assigned based on predominant surficialgeology (98% Floodplain and alluviumgravel terraces), productive aquifer coverage100 Assigned based on predominant surficialgeology (96% Floodplain and alluviumgravel terraces), coarse-grained soil (49%SNL)100 Setting based on aquifers, surficial geology,soils, Heath (1985)100 Setting based on surface geology; high (61%)SCL = overbank depositsDale 6E Solution Limestone 12 Solution Limestone 20 Percentage based on surficial geology;setting from principal aquifers (carbonate)Dale 6Fa River Alluvium WithOverbank DepositsDallman 7Aa Glacial Till Over BeddedSedimentary Rock6 River Valleys and Floodplainswith Overbank Deposit80 Percentage based on surficial geology; soilshave significant fines (SNL = 0.1%)3 Till Over Sedimentary Rock 100 Based on soils, surficial geology, principalaquiferDan E Karn 7F Glacial Lake Deposits 4 Sand and Gravel 100 Based on surficial geology, soils(continued)April 2010–Draft EPA document.C-2-5
Appendix CAttachment C-2: Hydrogeologic EnvironmentHydrogeologic SettingHydrogeologic Environment (continued)Hydrogeologic EnvironmentPlant Code Description Code Description PercentageCommentDan River 6H Triassic Basins 2 Bedded Sedimentary Rock 100 Based on surfucial geology, principalaquifers; Triassic basinDanskammer 7D Buried Valley 4 Sand and Gravel 100 Based on predominant Heath region,productive aquifers; little coarse-grainedsoilsDave Johnston 4C River Alluvium 7 River Valleys and Floodplainswithout Overbank Deposits100 Based on aquifer and surficial geologycoverages, Heath (1985)Dickerson 8D Regolith 1 Metamorphic and Igneous 100 Predominant settingDolet Hills 10Ab Unconsolidated and Semi-Consolidated ShallowSurficial AquiferDuck Creek 7Ea River Alluvium WithOverbank DepositsDunkirk 7H Beaches, Beach Ridges andSand DunesE D Edwards 7Aa Glacial Till Over BeddedSedimentary RockE D Edwards 7Ea River Alluvium WithOverbank Deposits10 Unconsolidated andSemiconsolidated ShallowAquifers6 River Valleys and Floodplainswith Overbank Deposit100 Predominant shallow unconsolidated aquifersystem100 Assigned based on predominant surficialgeology (100% Floodplain and alluviumgravel terraces), Heath Alluvial ValleyRegion11 Coastal Beaches 100 Based on location, surficial geology3 Till Over Sedimentary Rock 20 Percentage based on surficial geology (83%Floodplain and alluvium gravel terraces)6 River Valleys and Floodplainswith Overbank Deposit80 Percentage based on surficial geology (83%Floodplain and alluvium gravel terraces)E W Brown 6E Solution Limestone 12 Solution Limestone 20 Percentage based on surficial geology (76%alluvium, 23% clay); soils have significantfine-grained (0% SNL)E W Brown 6Fa River Alluvium WithOverbank DepositsEckert Station 7Bb Outwash Over BeddedSedimentary Rock6 River Valleys and Floodplainswith Overbank Deposit80 Percentage based on surficial geology (76%alluvium, 23% clay); soils have significantfine-grained (0% SNL)2 Bedded Sedimentary Rock 30 Percentage based on productive aquifercoverage, Heath regions(continued)April 2010–Draft EPA document.C-2-6
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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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Page 237 and 238: Appendix BAttachment B-2: CCW WMU D
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Page 257 and 258: Appendix CSite DataFigure C-2. EPAC
Page 259 and 260: Appendix CSite DataEPACMTP Climate
Page 261 and 262: Appendix CSite DataRF1 Reach Types
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Page 265 and 266: Appendix CSite DataHydrologicRegion
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Page 271 and 272: Appendix CAttachment C-1: Soil Data
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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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