Human and Ecological Risk Assessment - Earthjustice

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Appendix CAttachment C-2: Hydrogeologic EnvironmentPlantVictor J DanielJrHydrogeologic SettingHydrogeologic Environment (continued)Hydrogeologic EnvironmentCode Description Code Description10Ba River Alluvium With6 River Valleys and FloodplainsOverbank Depositswith Overbank DepositW A Parish 10Ab Unconsolidated and Semi-Consolidated ShallowSurficial AquiferW A Parish 10Ba River Alluvium WithOverbank DepositsW HWeatherspoonW HWeatherspoon10Ab10BbUnconsolidated and Semi-Consolidated ShallowSurficial AquiferRiver Alluvium WithoutOverbank Deposits10 Unconsolidated andSemiconsolidated ShallowAquifers6 River Valleys and Floodplainswith Overbank Deposit10 Unconsolidated andSemiconsolidated ShallowAquifers7 River Valleys and Floodplainswithout Overbank DepositsPercentageComment40 Percentage based on surficial geology, soils30 Percentage based on surficial geology andproductive aquifer coverages70 Percentage based on surficial geology andproductive aquifer coverages; high SCL(96%) = overbank deposits30 Percentage based on surficial geology; sandysoils70 Percentage based on surficial geology; sandysoilsW S Lee 8D Regolith 1 Metamorphic and Igneous 100 Setting based on aquifers, surficial geology,soils, Heath (1985)Wabash River 7D Buried Valley 4 Sand and Gravel 100 Glaciofluvial aquifer in Alluvial ValleyregionWalter CBeckjordWalter CBeckjord7Aa7EaGlacial Till Over BeddedSedimentary RockRiver Alluvium WithOverbank Deposits3 Till Over Sedimentary Rock 60 Percentage based on surficial geology; placedin glaciated central based on Heath (1985);soils 2% SNL6 River Valleys and Floodplainswith Overbank Deposit40 Percentage based on surficial geology; placedin glaciated central based on Heath (1985);soils 2% SNLWansley 8C Mountain Flanks 2 Bedded Sedimentary Rock 30 Percentage based on surficial geologyWansley 8E River Alluvium 6 River Valleys and Floodplainswith Overbank DepositWarrick 6Fa River Alluvium WithOverbank DepositsWaukegan 7Bc Outwash Over SolutionLimestone6 River Valleys and Floodplainswith Overbank Deposit70 Percentage based on surficial geology100 Predominant alluvial setting; soils havesignificant fines (SCL+SLT = 94%)12 Solution Limestone 100 Based on soils, surficial geology, aquifercoverages(continued)April 2010–Draft EPA document.C-2-19
Appendix CAttachment C-2: Hydrogeologic EnvironmentHydrogeologic SettingHydrogeologic Environment (continued)Hydrogeologic EnvironmentPlant Code Description Code Description PercentageCommentWeston 9E Outwash 8 Outwash 100 Setting based on productive aquifer, surficialgeology coveragesWidows Creek 6Da Alternating Sandstone,Limestone and Shale - ThinSoilWidows Creek 6Fa River Alluvium WithOverbank DepositsWill County 7Aa Glacial Till Over BeddedSedimentary RockWill County 7Ea River Alluvium WithOverbank DepositsWyodak 6Da Alternating Sandstone,Limestone and Shale - ThinSoil2 Bedded Sedimentary Rock 20 Percentage based on surficial geology; thinsoils inferred from colluvium6 River Valleys and Floodplainswith Overbank Deposit80 Percentage based on surficial geology; soilshave significant fines (SCL+SLT > 25%)3 Till Over Sedimentary Rock 40 Percentage based on surficial geology (65%Floodplain and alluvium gravel terraces)6 River Valleys and Floodplainswith Overbank Deposit60 Percentage based on surficial geology (65%Floodplain and alluvium gravel terraces)2 Bedded Sedimentary Rock 100 Based on aquifer and surficial geologycoverages, Heath (1985)Yates 8D Regolith 1 Metamorphic and Igneous 40 Percentage assigned based on surficialgeology (59% alluvium/colluvium, 42%residuum)Yates 8E River Alluvium 6 River Valleys and Floodplainswith Overbank DepositSCL = silty clay loam; SNL = sandy loam; SLT = silt loam.60 Percentage assigned based on surficialgeology (59% alluvium/colluvium, 42%residuum)Aller, L., T. Bennett, J.H. Lehr, R.J. Perry, and G. Hackett. 1987. DRASTIC: A Standardized System for Evaluating Pollution Potential Using HydrogeologicSettings. EPA-600/2-87-035. U.S. Environmental Protection Agency. Office of Research and Development. Ada, OK. April.Heath, R.C. 1985. National Water Summary 1984. State Summaries of Groundwater Resources. Water-Supply Paper 2275. U.S. Geological Survey, Washington,DC.April 2010–Draft EPA document.C-2-20
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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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Appendix CSite DataFigure C-1. Exam
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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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