Chapter 1 Introduction |
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1 | (12) |
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1.1 History of Sediment Contamination |
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1 | (2) |
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1.2 Framework for Managing Contaminated Sediments |
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3 | (2) |
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1.3 Processes and Risks of Contaminated Sediments |
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5 | (2) |
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1.4 Managing Risks of Contaminated Sediments |
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7 | (2) |
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1.5 Example: Comparison of Remedial Alternatives |
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9 | (2) |
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11 | (1) |
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11 | (2) |
Chapter 2 Sediment And Contaminant Processes |
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13 | (12) |
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13 | (1) |
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2.2 Sediment and Contaminant Characteristics |
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14 | (3) |
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2.2.1 Sediment Characteristics |
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14 | (1) |
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2.2.2 Contaminant Characteristics |
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15 | (2) |
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2.3 Sediment and Contaminant Transport Processes |
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17 | (6) |
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2.3.1 Sediment Erosion and Deposition |
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17 | (1) |
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2.3.2 Porewater Diffusion and Advection |
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17 | (2) |
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19 | (3) |
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22 | (1) |
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23 | (1) |
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23 | (2) |
Chapter 3 Fundamentals Of Sediment Transport |
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25 | (56) |
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25 | (3) |
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3.1.1 Sediment-Related Engineering Problems |
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25 | (1) |
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3.1.2 Sediment Transport Terminology |
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26 | (1) |
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3.1.3 Response of Sediment to Driving Forces |
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27 | (1) |
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3.2 Sediment Transport Processes |
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28 | (22) |
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3.2.1 Sediment Properties |
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28 | (5) |
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3.2.2 Noncohesive Sediment Transport |
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33 | (7) |
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3.2.3 Cohesive Sediment Transport |
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40 | (10) |
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3.3 Sediment Transport Assessment |
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50 | (9) |
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3.3.1 Assessment Methodology |
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50 | (5) |
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3.3.2 Data Needs for Most Sites |
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55 | (1) |
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3.3.3 Determination of Sediment Erodibility |
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56 | (3) |
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3.4 Sediment Transport Modeling |
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59 | (13) |
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3.4.1 Overview of Modeling |
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59 | (1) |
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3.4.2 Hydrodynamic Modeling |
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60 | (4) |
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3.4.3 Sediment Transport Modeling |
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64 | (8) |
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72 | (1) |
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72 | (5) |
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Appendix 3A: Calculation Of Combined Current-Wave Bed Shear Stress |
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77 | (4) |
Chapter 4 The Mechanics Of Soft Cohesive Sediments During Early Diagenesis |
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81 | (26) |
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81 | (1) |
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4.2 Physical Models (Rheology) of Materials |
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82 | (10) |
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82 | (1) |
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4.2.2 Phenomenological Formulas and Constants |
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83 | (1) |
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4.2.3 Phenomenological Constants for Sediments |
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84 | (5) |
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4.2.4 The Origin of Sediment Mechanical Properties |
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89 | (1) |
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4.2.5 The Mechanical Equations for a Deforming Body |
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90 | (2) |
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4.3 Mechanical Processes in Natural Aquatic Sediments |
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92 | (8) |
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4.3.1 One-Dimensional Compaction with Sedimentation |
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92 | (3) |
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4.3.2 The Growth of Methane Bubbles |
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95 | (1) |
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4.3.3 Methane Bubble Rise |
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96 | (2) |
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4.3.4 Animal Motion in Sediments |
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98 | (2) |
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100 | (1) |
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101 | (4) |
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105 | (2) |
Chapter 5 Advances In Risk Assessment In Support Of Sediment Risk Management |
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107 | (24) |
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107 | (3) |
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5.1.1 Focus of this Chapter |
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109 | (1) |
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5.2 Overview of Risk Assessment for Sediments |
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110 | (3) |
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5.2.1 Human Health Risk Assessment |
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110 | (1) |
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5.2.2 Ecological Risk Assessment |
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111 | (2) |
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5.3 Defining "Risk Zones" to Communicate Risk |
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113 | (10) |
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5.3.1 Conceptual Risk Zone Approach |
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113 | (1) |
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5.3.2 Developing Risk Zones for Human Receptors |
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114 | (1) |
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5.3.3 Developing Risk Zones for Ecological Receptors |
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114 | (4) |
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5.3.4 Use of ROC Curves for Defining Chemical Risk Zones |
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118 | (5) |
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5.4 Utilizing Net Environmental Benefits Analysis and Relative Environmental Benefits Evaluation for Judging Remedial Alternatives |
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123 | (5) |
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128 | (1) |
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128 | (3) |
Chapter 6 Assessing Biological Effects |
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131 | (46) |
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131 | (2) |
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6.2 Sediment Quality Guidelines |
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133 | (2) |
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6.3 Laboratory Sediment Toxicity Tests |
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135 | (6) |
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6.4 In Situ Sediment Toxicity Tests |
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141 | (3) |
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144 | (1) |
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6.6 Toxicity Identification Evaluation |
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145 | (1) |
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6.7 Histopathological, Cellular and Molecular Assessments |
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146 | (2) |
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6.8 Measuring and Interpreting Bioaccumulation |
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148 | (3) |
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6.9 Benthic Infaunal Community Condition as Indicator of Sediment Quality |
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151 | (4) |
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6.10 Genetics of Acclimation and Adaptation |
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155 | (1) |
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6.11 Physical Stress Due to Sediments |
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156 | (1) |
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6.12 Integrating Lines of Evidence for Assessing Biological Effects |
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157 | (2) |
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6.13 Assessment of the Biological Effects Associated with In Situ Sediment Remediation Measures |
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159 | (2) |
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6.14 Closing Remarks and Path Forward |
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161 | (1) |
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162 | (15) |
Chapter 7 Assessing Bioavailability Of Hydrophobic Organic Compounds And Metals In Sediments Using Freely Available Porewater Concentrations |
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177 | (20) |
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177 | (2) |
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7.2 Sediment Porewater Concentrations as Indicator of Bioavailability |
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179 | (4) |
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7.2.1 Hydrophobic Organic Compounds |
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179 | (3) |
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182 | (1) |
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7.3 Assessing Bioavailability with Equilibrium Partitioning Theory |
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183 | (2) |
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7.3.1 Equilibrium Partitioning for HOCs |
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183 | (1) |
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7.3.2 Equilibrium Partitioning for Metals-AVS/SEM Model |
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184 | (1) |
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7.4 Biotic Ligand Model (BLM) to Estimate Bioavailability of Metals |
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185 | (1) |
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7.5 Passive Sampling for Measuring Porewater Concentrations and Assessing Bioavailability |
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186 | (4) |
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7.5.1 Passive Sampling for HOCs |
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186 | (3) |
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7.5.2 Passive Sampling for Metals |
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189 | (1) |
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190 | (1) |
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191 | (6) |
Chapter 8 Risk Management For Contaminated Sediments |
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197 | (30) |
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8.1 Risk Management Challenges |
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197 | (3) |
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8.1.1 The Problem Setting |
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197 | (1) |
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8.1.2 Technical Aspects of the Risky Business of Sediment Management |
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198 | (2) |
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8.2 The Risk Management Process |
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200 | (3) |
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8.3 Advancing Risk Management Practice |
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203 | (17) |
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8.3.1 Ten Guidelines for Robust Risk Management |
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204 | (16) |
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8.4 The Path to More Effective Risk Management |
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220 | (2) |
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220 | (1) |
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220 | (1) |
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221 | (1) |
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222 | (1) |
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223 | (4) |
Chapter 9 Monitored Natural Recovery |
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227 | (36) |
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227 | (1) |
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9.2 MNR and Conceptual Site Models |
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228 | (8) |
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9.2.1 Contaminant Characteristics Affecting Natural Recovery Processes |
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229 | (4) |
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9.2.2 Site Conditions Affecting Natural Recovery Processes |
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233 | (1) |
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9.2.3 Implications of Future Site Conditions |
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234 | (2) |
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9.3 Lines of Evidence for Evaluating MNR Feasibility |
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236 | (12) |
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9.3.1 Temporal Trend Analysis |
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238 | (1) |
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239 | (1) |
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9.3.3 Chemical Transformation |
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240 | (1) |
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9.3.4 Reduction in Contaminant Bioavailability/Mobility |
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241 | (1) |
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9.3.5 Physical Isolation, Dispersion, and Reduced Contaminant Exposures |
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242 | (6) |
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248 | (3) |
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9.4.1 Thin-Layer Placement and Stability |
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248 | (1) |
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9.4.2 Impact on Benthic Communities |
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249 | (1) |
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9.4.3 Source Control Considerations |
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250 | (1) |
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9.5 Monitoring Natural Recovery |
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251 | (5) |
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9.5.1 Establishing Monitoring Goals |
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251 | (1) |
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9.5.2 MNR Monitoring Case Studies |
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252 | (4) |
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256 | (1) |
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256 | (7) |
Chapter 10 IN Situ Biotransformation Of Contaminants In Sediments |
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263 | (42) |
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263 | (1) |
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10.2 Basics of In Situ Biotransformation |
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264 | (6) |
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10.2.1 Environmental Conditions Influencing Biotransformation |
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264 | (4) |
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10.2.2 Intrinsic Biotransformation |
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268 | (1) |
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268 | (1) |
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269 | (1) |
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10.2.5 Metabolic Versus Co-metabolic Processes |
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269 | (1) |
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10.3 Selected Contaminant Biotransformation Pathways |
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270 | (19) |
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270 | (5) |
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275 | (5) |
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280 | (6) |
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10.3.4 Chlorinated Ethenes in Groundwater Seeps |
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286 | (3) |
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10.4 Incorporating In Situ Biotransformation into Sediment Remediation |
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289 | (3) |
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10.4.1 Monitored Natural Recovery |
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289 | (1) |
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290 | (1) |
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290 | (2) |
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10.5 Conclusions and Opportunities for Further Development |
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292 | (2) |
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294 | (11) |
Chapter 11 IN Situ Treatment For Control Of Hydrophobic Organic Contaminants Using Sorbent Amendment: Theoretical Assessments |
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305 | (20) |
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305 | (1) |
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11.2 Benthic Organism Uptake of Persistent Organic Contaminants: Biodynamic Modeling |
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306 | (3) |
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11.3 Mechanisms of In Situ Stabilization and Reduction of Bioavailability |
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309 | (2) |
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11.4 Modeling the Mass Transfer of Hydrophobic Organic Contaminant in AC-Amended Sediments |
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311 | (4) |
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11.4.1 Model Concept for a Well-Mixed System |
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311 | (1) |
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11.4.2 Model Calibration for a Well-Mixed System |
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312 | (1) |
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11.4.3 In Situ Treatment Model for a Briefly Mixed or Un-mixed System |
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313 | (2) |
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315 | (1) |
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11.5 Effects of Mixing Regime, Particle Size, and Dose of AC Sorbents in Sediment for In Situ Stabilization |
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315 | (4) |
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315 | (2) |
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317 | (1) |
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318 | (1) |
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319 | (2) |
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321 | (4) |
Chapter 12 Capping For Remediation Of Contaminated Sediments |
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325 | (40) |
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325 | (1) |
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326 | (4) |
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327 | (1) |
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327 | (1) |
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12.2.3 Zeolites and Organoclays |
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328 | (1) |
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328 | (1) |
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329 | (1) |
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329 | (1) |
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329 | (1) |
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12.3 Sorption of Contaminants to Sediments and Cap Materials |
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330 | (3) |
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12.3.1 Organic Compounds Sorption to Sediments and Capping Materials |
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331 | (1) |
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12.3.2 Metals Sorption to Sediments and Capping Materials |
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332 | (1) |
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12.4 Site Conditions and Characterization |
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333 | (5) |
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12.4.1 Remedial Objective Identification |
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333 | (1) |
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12.4.2 Hydrodynamic Characterization |
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334 | (1) |
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12.4.3 Biological Characterization |
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335 | (1) |
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12.4.4 Geotechnical Characterization |
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336 | (1) |
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337 | (1) |
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12.5 Design of Caps for Sediment Remediation |
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338 | (19) |
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12.5.1 Contaminant Transport Modeling Concepts |
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338 | (3) |
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12.5.2 Parameter Estimation |
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341 | (2) |
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12.5.3 Transient Design Model for a Single Chemical Isolation Layer |
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343 | (2) |
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12.5.4 Steady-State Design Model for Two Layers |
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345 | (4) |
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12.5.5 Numerical Modeling |
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349 | (3) |
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12.5.6 Additional Design Considerations for Active Caps |
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352 | (4) |
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12.5.7 Design of Erosion Control and Habitat Layers |
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356 | (1) |
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12.6 Monitoring Cap Performance |
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357 | (1) |
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358 | (1) |
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358 | (7) |
Chapter 13 Sediment Dredging, Treatment And Disposal |
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365 | (28) |
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365 | (3) |
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13.1.1 Sediment Removal as a Remediation Approach |
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365 | (1) |
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13.1.2 Definitions and Objectives |
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366 | (1) |
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13.1.3 Initial Evaluations |
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367 | (1) |
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13.2 Site and Sediment Assessment Considerations |
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368 | (2) |
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13.3 Performance Standards |
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370 | (1) |
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13.4 Dredging Equipment Capabilities and Selection |
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370 | (3) |
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13.5 Resuspension and Contaminant Release |
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373 | (1) |
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374 | (1) |
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13.6.1 Predicting Dredging Residuals |
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375 | (1) |
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375 | (2) |
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377 | (1) |
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13.9 Management Actions and Controls |
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378 | (3) |
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13.9.1 Production Management Actions |
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378 | (1) |
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13.9.2 Resuspension/Release Controls |
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378 | (1) |
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13.9.3 Residuals Management and Controls |
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379 | (2) |
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13.9.4 Adaptive Management |
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381 | (1) |
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13.10 Experiences with Environmental Dredging |
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381 | (2) |
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13.11 Disposal and Treatment Options |
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383 | (5) |
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13.11.1 Transport, Staging and Dewatering |
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383 | (1) |
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13.11.2 Ex Situ Sediment Treatment |
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384 | (1) |
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385 | (1) |
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13.11.4 Sediment Treatment Technologies |
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386 | (1) |
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13.11.5 Sediment Disposal |
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386 | (1) |
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13.11.6 Sanitary/Hazardous Waste Landfills |
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387 | (1) |
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13.11.7 Confined Disposal Facilities (CDFs) |
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387 | (1) |
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13.11.8 Contained Aquatic Disposal (CAD) |
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387 | (1) |
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388 | (1) |
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389 | (4) |
Chapter 14 Monitoring Remedial Effectiveness |
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393 | (22) |
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393 | (1) |
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14.2 Monitoring Phases and Timeframes |
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394 | (1) |
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394 | (1) |
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395 | (1) |
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14.3 Effective Compared to What? |
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395 | (4) |
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14.3.1 State Your Objective |
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395 | (1) |
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14.3.2 Establish a Baseline |
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396 | (2) |
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398 | (1) |
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14.4 Monitoring Tools and Approaches |
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399 | (1) |
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14.5 Selecting Relevant Indicators of Effectiveness |
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400 | (2) |
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14.6 Developing a Monitoring Plan: Data Quality and Data Management |
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402 | (1) |
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14.7 Adaptive Monitoring and Decision Criteria |
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403 | (1) |
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14.8 Case Studies: Lines of Evidence in Remedy Effectiveness Monitoring |
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404 | (7) |
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14.8.1 Sediment Contaminant Chemistry, New Bedford Harbor, Massachusetts |
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404 | (1) |
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14.8.2 Water Column Contaminant Concentrations, Hudson River, New York |
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405 | (1) |
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14.8.3 Contaminant Concentrations in Porewater, Grasse River, New York, Activated Carbon Pilot |
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406 | (1) |
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14.8.4 Benthic Toxicity, Ward Cove, Ketchikan, Alaska |
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407 | (1) |
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14.8.5 Contaminant Bioaccumulation Analyses, Grasse River, New York, Activated Carbon Pilot |
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408 | (1) |
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14.8.6 Contaminant Concentrations in Resident Organisms, Cumberland Bay, Lake Champlain, New York |
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409 | (2) |
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411 | (1) |
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411 | (4) |
Chapter 15 Contaminated Sediment Research And Development Needs |
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415 | (16) |
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415 | (1) |
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15.2 Framework for Sediments Research |
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415 | (1) |
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416 | (12) |
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15.3.1 Contaminant Sources, Behavior and Fate |
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416 | (3) |
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15.3.2 Risk Characterization and Monitoring |
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419 | (4) |
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15.3.3 Remediation and Management |
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423 | (4) |
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15.3.4 Technology Transfer and Education |
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427 | (1) |
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427 | (1) |
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428 | (3) |
Appendix A: List Of Acronyms, Abbreviations, And Symbols |
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431 | (4) |
Appendix B: Glossary |
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435 | (20) |
Index |
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455 | |