Protocol for the Derivation of Environmental and Human ... - CCME

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List of Figures 1 National Framework for Contaminated Site Assessment and Remediation..............................5 2 Contaminant Assessment Procedure for Deriving Soil Quality Guidelines ...............................12 3 Concept of Generic Land Uses Envisioned for Guidelines Derivation.....................................14 4 Simplified Diagram of Potential Ecological Receptors and Exposure Pathways of Contaminated Soil 29 5 Key Receptors and Exposure Pathways of Contaminated Soil Considered for Agricultural Land Use......................................................................................................................................31 6 Key Receptors and Exposure Pathways of Contaminated Soil Considered for Residential/Parkland Land Use.............................................................................................33 7 Key Receptors and Exposure Pathways of Contaminated Soil Considered for Commercial Land Use.............................................................................................................................35 8 Key Receptors and Exposure Pathways of Contaminated Soil Considered for Industrial Land Use..............................................................................................................37 9 Overall Procedure for Deriving Environmental Soil Quality Guidelines for Agricultural, Residential/Parkland, Commercial and Industrial Land Uses..................................................41 10 Procedure for Deriving Soil Quality Guidelines for Soil Contact for Agricultural and Residential/Parkland Land Use 44 11 Frequency Distribution of "No Observed Effects" and "Effects" Data for Cadmium Showing Position of the TECs Calculated for the Various Soil Contact Methods for Agricultural and Residential/Parkland Land Uses...............................................45 12 Procedure for Deriving Soil Quality Guidelines for Soil Contact for Commercial and Industrial Land Use 13 Frequency Distribution of "Effects" Data for Cadmium Showing Position of the ECLs Calculated for the Various Soil Contact Methods for Commercial and Industrial Land Use..............................................................................................................51 14 Procedure for Deriving Soil Quality Guidelines for Soil and Food Ingestion............................55 15 Apportionment of the Total Exposure Contributed by Various Media Using a Theoretical Contaminant for Grazing Herbivore.......................................................................................59 xx
16 Generalized Framework for Human Health Risk Assessment.................................................70 17 Relationship Between Estimated Daily Exposure for a Human Receptor Away from the Site (a) and Exposure at a Previously Contaminated Site, which has been Remediated (b)....................................................................................................................76 18 Significant Pathways of Human Exposure to Environmental Contamination.............................79 19 Conceptual Derivation of the Soil Guideline for Threshold Substances from the Multi-media Exposure Assessment and Assumed Soil Apportionment (20%) from the Residual Tolerable Daily Intake...............................................................................81 20 Exposure Assumptions for Defined Agricultural Land Use Scenario.......................................85 21 Exposure Assumptions for Defined Residential/Parkland Land Use Scenario .........................86 22 Exposure Assumptions for Defined Commercial Land Use Scenario......................................87 23 Exposure Assumptions for Defined Industrial Land Use Scenario ..........................................89 24 Overview of Steps Leading to Derivation of a Final Soil Quality Guideline ...........................104 A.1 Simplified Terrestrial N Cycle.............................................................................................117 D.1 Hydrologic Components at a Generalized Remediated Site..................................................145 D.2 Conceptual Model of Dilution of Contaminants by Mixing of Recharge in Groundwater Flow.............................................................................................................146 D.3 Recharge Estimated by Water Balance of Various Canadian Locations................................147 D.4 Cumulative Frequency Distribution for Dilution Factor.........................................................148 xxi
Page 1 and 2: A Protocol for the Derivation of En
Page 3 and 4: Readers' Comments The Canadian Coun
Page 5 and 6: Overview In response to growing pub
Page 7 and 8: mechanisms for migration of soil co
Page 9 and 10: procédures d'élaboration des reco
Page 11 and 12: • être absorbés par les plantes
Page 13 and 14: PART B Section 1 Derivation of Envi
Page 16 and 17: Section 2 Investigation of Contamin
Page 18 and 19: PART D Section 1 Derivation of the
Page 22 and 23: Acknowledgements The CCME Subcommit
Page 24 and 25: Document Organization This document
Page 26 and 27: Bioaccumulation: The process by whi
Page 28 and 29: Denitrification: The gaseous loss o
Page 30 and 31: GGG Guidelines: Generic numerical l
Page 32 and 33: Mutagenicity: The ability of a chem
Page 34 and 35: xxxiv human exposure. Risk estimati
Page 36 and 37: Soil: Normally defined as the uncon
Page 38 and 39: VVV Volatilization: The chemical pr
Page 41 and 42: Section 1 The National Contaminated
Page 44 and 45: Part A, Section 1 6
Page 46 and 47: Part A, Section 1 1.2.2.2 Remediati
Page 48 and 49: Part A, Section 1 of, and establish
Page 50 and 51: Part A, Section 2 Section 2 Nationa
Page 53 and 54: Part A, Section 2 2.2 Limitations o
Page 55 and 56: Part A, Section 2 17
Page 57 and 58: Part A, Section 2 Industrial: where
Page 59 and 60: • the sensitivity of the test con
Page 61: Part A, Section 3 23
Page 64 and 65: Section 2 Level of Ecological Prote
Page 66 and 67: Part B, Section 2 2.3 Endpoint Defi
Page 68 and 69: Part B, Section 2 There is consiste
Page 70 and 71:
Part B, Section 4 Section 4 Potenti
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Part B, Section 4 Figure 4 Simplifi
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Figure 5 Key Receptors and Exposure
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Part B, Section 5 grazing herbivore
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Part B, Section 5 5.2.2 Maintenance
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Part B, Section 5 5.4 Industrial La
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Section 6 Uncertainty in Guidelines
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Section 7 Guidelines Derivation Pro
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Part B, Section 7 (SQG SG = soil qu
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Part B, Section 7 a soil quality gu
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Where: NPER = no to Potential Effec
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Part B, Section 7 7.5.2.1 Using Mic
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Part B, Section 7 data, the Median
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Part B, Section 7 EC 50 LC 50 UF =
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Where: ERL = Effects Range Low, ECL
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Part B, Section 7 Where: EC 50 = Me
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Part B, Section 7 Where the ECL lie
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Part B, Section 7 4. Fewer than thr
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Part B, Section 7 An uncertainty fa
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Part B, Section 7 Therefore, BCF =
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Part B, Section 7 ingestion (SQG I
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Section 8 Derivation of the Final E
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Part C, Section 1 65
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Part C, Section 1 various sites acr
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Part C, Section 1 Geographical unce
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preferred for the assessment, but s
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Page 129 and 130:
Part C, Section 2 Environmental con
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Part C, Section 2 extent, the steep
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Section 3 Exposure to Contaminants
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Page 137 and 138:
Part C, Section 4 Section 4 Exposur
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Part C, Section 4 within limits, th
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Part C, Section 4 Figure 19 Concept
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Part C, Section 4 4.2 Absorption of
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Part C, Section 4 In the case of no
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Residential/Parkland Land Use Sensi
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Part C, Section 4 Commercial Land U
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Part C, Section 4 Industrial Land U
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Part C, Section 5 these data are av
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Part C, Section 5 GEOCHEM (Mattigod
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Part C, Section 5 • K oc (sorptio
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Part C, Section 5 5.3.3 Evaluation
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Part C, Section 5 parameters, and s
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Section 6 Derivation of the Final H
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Part D, Section 1 101
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does not apply to the commercial or
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Part D, Section 1 105
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References Aldenberg, T., and W. Sl
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References -dwelling Organisms", Ab
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References 112
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References Hill, E.F., and D.J. Hof
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References Paustenbach, D.J., (1989
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References Summers, J.K., H.T. Wils
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Appendix A Appendix A Nutrient and
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Appendix A Figure A.1 Simplified Te
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Appendix A 4.1 Agricultural and Res
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Appendix A References Bååth, E.,
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The Subcommittee considers that exp
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Appendix B P l P r BW = percent pro
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Appendix B Substituting equation 5
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Appendix B Where no MRL exists, the
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Appendix B Then, the remainder (T R
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Appendix B For carcinogens, total i
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Appendix C Rearranging [2] and subs
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Appendix C References Chiou, C.T.,
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Appendix D uncontaminated organic m
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Appendix D R = recharge, m/yr A = a
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Appendix D 2.3.3 Hydraulic Gradient
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Appendix D 2.3.5 Site Length The le
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Appendix D Table D.2 Lower Quantile
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Figure D.2 Conceptual Model of Dilu
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Appendix D Figure D.3 Recharge Esti
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Appendix D 159
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Smith, A.E., P.B. Ryan, and J.S. Ev
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Appendix E C K L V is the climate f
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Appendix E contaminant concentratio
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Appendix F Appendix F Multi-media E
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Appendix F example, fish BCFs are t
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Appendix G 2.2 Contaminant Vapour T
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Appendix G Table G.1 Equations Used
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Appendix G at the outset that, rath
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Appendix G 4.4 Application of the R
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Average outdoor summer temperature
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Appendix G References Alberta Envir
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