Human and Ecological Risk Assessment - Earthjustice

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Log(disposal capacity, cubic yards)Appendix BWaste Management Units3.53y = 0.6854x - 2.4976R2 = 0.5867Std. Dev. = 0.322.5Log(area, acres)21.510.500 1 2 3 4 5 6 7 8 9log(capacity, cubic yards)Figure B-6. Linear regression to impute surface impoundment area from capacity.98y = 0.8559x + 4.8166R2 = 0.5867Std. Dev. = 0.35765432100 0.5 1 1.5 2 2.5 3 3.5Log(area, acres)Figure B-7. Linear regression to impute surface impoundment capacity from area.April 2010–Draft EPA document. B-9
Appendix BWaste Management UnitsB.7 ResultsAttachment B-1 lists the 181 CCW disposal sites modeled in this risk assessment andtheir locations. The WMU data used in the CCW risk assessment for each of the 108 landfillsand 96 surface impoundments at these coal combustion facilities are presented inAttachment B-2. Missing data that were randomly replaced as described above are notrepresented in the table (i.e., the fields are left blank).B.8 ReferencesCIBO (Council of Industrial Boiler Owners). 1997. Report to the U.S. Environmental ProtectionAgency on Fossil Fuel Combustion Byproducts from Fluidized Bed Boilers. Prepared bythe CIBO Special Project on Non-Utility Fossil Fuel Ash Classification and ICF KaiserConsulting Group. November.EPRI (Electric Power Research Institute). 1991. Comanagement of Coal Combustion By-Products and Low-Volume Wastes: A Southeastern Site. Final Report. EN-7545. EPRI,Palo Alto, CA. November 1991. (“L” Site).EPRI (Electric Power Research Institute). 1992. Comanagement of Coal CombustionBy-Products and Low-Volume Wastes: A Midwestern Site. Interim Report. TR-100955.EPRI, Palo Alto, CA. August 1992. (“C” Site).EPRI (Electric Power Research Institute). 1994a. Calcium-Based Flue Gas DesulfurizationSludge Disposal Sites. Final Report. TR-103914. EPRI, Palo Alto, CA. April 1994.EPRI (Electric Power Research Institute). 1994b. Sodium-Based Flue Gas DesulfurizationSludge Disposal Sites. Final Report. TR-103915. EPRI, Palo Alto, CA. April 1994.EPRI (Electric Power Research Institute). 1996a. Comanagement of Coal Combustion By-Products and Low-Volume Wastes: A Southwestern Site. Final Report. TR-105673. EPRI,Palo Alto, CA. June 1996. (“O” Site).EPRI (Electric Power Research Institute). 1996b. Evaluation of the Co-Management of HighVolume Combustion By-Products with Other Utility Wastes: CL Site. Draft Report. EPRI,Palo Alto, CA. May 1996 (updated December).EPRI (Electric Power Research Institute). 1997a. Coal Combustion By-Products andLow-Volume Wastes Comanagement Survey. EPRI, Palo Alto, CA. June.EPRI (Electric Power Research Institute). 1997b. Evaluation of the Co-Management of HighVolume Combustion By-Products with Other Utility Wastes: AP Site. Draft Report. EPRI,Palo Alto, CA. June 1997.EPRI (Electric Power Research Institute). 1997c. Evaluation of the Co-Management of HighVolume Combustion By-Products with Other Utility Wastes: CY Site. Final Report.TR-108426. EPRI, Palo Alto, CA. August 1997.April 2010–Draft EPA document. B-10
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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 Characterization4.1
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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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Appendix AAttachment A-1: Sources o
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Appendix CAttachment C-1: Soil Data
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Appendix CAttachment C-2: Hydrogeol
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Appendix CAttachment C-3: Climate C
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Appendix CAttachment C-4: Waterbody
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Appendix DMINTEQA2 Nonlinear Sorpti
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Appendix EEquationsIf Cwctot > Csol
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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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