Human and Ecological Risk Assessment - Earthjustice

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Appendix FHuman Exposure FactorsTable F-7. 50th Percentile Exposure Data Used in the Screening AnalysisAge CohortParameter Value 1–5 yr 6–11 yr 12–19 yr 20+ yrUnits Reference TableBody weight 15.3 29.6 56.8 69.3 kg U.S. EPA (1997a) T7-2, 7-3, 7-4, 7-5, 7-6, 7-7Consumption rate of fish 2 2 2 2 g WW/d U.S. EPA (1997b) T10-64Exposure duration 5 7.5 8 10 yr U.S. EPA (1997c) T15-164, 15-168Ingestion rate of drinkingwater0.6165 0.731 0.8685 1.275 L/d U.S. EPA (1997a) T3-6April 2010–Draft EPA document. F-11
Appendix FHuman Exposure FactorsF.3 ReferencesBickel, P.J., and K.A. Doksum. 1977. Mathematical Statistics. San Francisco, CA: Holden Bay.Burmaster, D.E, and K.M. Thompson. 1998. Fitting second-order parametric distributions to datausing maximum likelihood estimation. Human and Ecological Risk Assessment 4(2):319–339.Jennrich, R.I., and R.H. Moore. 1975. Maximum likelihood estimation by nonlinear leastsquares. Pp. 57–65 in Statistical Computing Section Proceedings of American StatisticalAssociation. American Statistical Association, Alexandria, VA.Jennrich, R.I., and M.L. Ralston. 1979. Fitting nonlinear models to data. Annual ReviewBiophysical Bioengineering 8:195–238.U.S. EPA (Environmental Protection Agency). 1989. Risk Assessment Guidance for Superfund.Volume I: Human Health Evaluation Manual (Part A) (Interim Final). EPA/540/1-89/002. Prepared by Office of Emergency and Remedial Response, Washington, DC.December.U.S. EPA (Environmental Protection Agency). 1997a. Exposure Factors Handbook, Volume I,General Factors. EPA/600/P-95/002Fa. Office of Research and Development,Washington, DC. August.U.S. EPA (Environmental Protection Agency). 1997b. Exposure Factors Handbook, Volume II,Food Ingestion Factors. EPA/600/P-95/002Fa. Office of Research and Development,Washington, DC. August.U.S. EPA (Environmental Protection Agency). 1997c. Exposure Factors Handbook, Volume III,Activity Factors. EPA/600/P-95/002Fa. Office of Research and Development,Washington, DC. August.U.S. EPA (Environmental Protection Agency). 1999. Revised Risk Assessment for the AirCharacteristic Study. Volume II: Technical Background Document. EPA/530/R-99/019b.Office of Solid Waste, Washington, DC. August.U.S. EPA (Environmental Protection Agency). 2000. Options for Development of ParametricProbability Distributions for Exposure Factors. EPA/600/R-00/058. National Center forEnvironmental Assessment, Office of Research and Development, Washington, DC. July.April 2010–Draft EPA document. F-12
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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 Characterizationund
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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 Characterizationwas
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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 CSite Dataeach site, eithe
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Appendix CSite DataBecause EPACMTP
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Appendix CSite DataHydrogeologic Se
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Appendix CSite DataFigure C-2. EPAC
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Appendix CSite DataEPACMTP Climate
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Appendix CSite DataRF1 Reach Types
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Appendix CSite DataTable C-9. Regio
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Appendix CSite DataHydrologicRegion
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Appendix CSite DataClawges, R.M., a
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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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Page 355 and 356: Appendix FHuman Exposure Factorswer
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Page 367 and 368: Appendix GHuman Health BenchmarksG.
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Page 373 and 374: Appendix HEcological BenchmarksRisk
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Page 377 and 378: Appendix HEcological BenchmarksCons
Page 379 and 380: Appendix HEcological BenchmarksU.S.
Page 381 and 382: Appendix ICalculation of Health-Bas
Page 389 and 390: Appendix JChemical-Specific Inputs
Page 391 and 392: Appendix JChemical-Specific Inputs
Page 393 and 394: Appendix KScreening Analysis Result
Page 399 and 400: Appendix LTime to Peak Concentratio
Page 409: Appendix LTime to Peak Concentratio
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