Acknowledgments |
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1 | (12) |
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1.1 Ace Solvent Recovery Facility |
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1 | (7) |
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1 | (1) |
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1.1.2 Scope of the Site Investigation |
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2 | (1) |
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1.1.3 Results of the Site Investigation -- Soils |
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3 | (1) |
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1.1.4 Results of the Site Investigation -- Groundwater |
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4 | (4) |
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8 | (3) |
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11 | (2) |
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13 | (90) |
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2.1 The Significance of Numbers |
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13 | (1) |
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2.2 Chemistry of Hazardous Materials |
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14 | (15) |
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15 | (1) |
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15 | (2) |
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2.2.1.2 Charge and Polarity |
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17 | (1) |
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18 | (1) |
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19 | (1) |
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20 | (2) |
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22 | (1) |
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2.2.2 Common Contaminants |
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23 | (1) |
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23 | (1) |
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2.2.2.2 Aromatic Hydrocarbons |
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23 | (1) |
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2.2.2.3 Chlorinated Methanes, Ethanes, and Ethenes |
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24 | (1) |
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25 | (1) |
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2.2.2.5 Polynuclear Aromatic Hydrocarbons (PAHs) |
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25 | (1) |
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2.2.2.6 Polychlorinated Biphenyls (PCBs) |
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25 | (2) |
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2.2.2.7 Metals and Other Inorganics |
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27 | (2) |
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2.3 Overview of Hydrogeology |
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29 | (12) |
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29 | (1) |
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2.3.2 Geologic Formations |
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30 | (1) |
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31 | (4) |
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2.3.4 Contaminant Transport |
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35 | (1) |
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2.3.4.1 Nonaqueous Phase Liquids |
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35 | (2) |
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37 | (1) |
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37 | (2) |
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2.3.4.2 Dissolved Contamination |
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39 | (2) |
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41 | (23) |
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43 | (1) |
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43 | (1) |
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2.4.3 Regulatory Standards, Criteria, and Screening Levels |
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43 | (2) |
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2.4.4 Site-Specific Risk Assessment |
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45 | (1) |
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2.4.4.1 Clean-Up Levels Based on Potential Human Health Risks |
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45 | (1) |
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2.4.4.1.1 Types of Health Risks |
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46 | (1) |
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2.4.4.1.2 Acceptable Risk |
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47 | (1) |
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2.4.4.1.3 Exposure Assumptions |
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48 | (2) |
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2.4.4.1.4 Calculation of Clean-Up Levels |
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50 | (9) |
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2.4.4.2 Clean-Up Goals Based on Potential Risks to an Ecosystem |
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59 | (2) |
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2.4.5 Clean-Up Goals Based on Protection of Groundwater |
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61 | (2) |
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2.4.6 Clean-Up Levels Based on Mass Removal |
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63 | (1) |
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64 | (6) |
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64 | (1) |
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65 | (3) |
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68 | (1) |
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2.5.4 Treatability Testing |
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69 | (1) |
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2.6 Environmental Regulations |
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70 | (12) |
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70 | (1) |
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2.6.2 Waste Site Remediation |
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71 | (3) |
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2.6.3 Hazardous Waste Treatment, Storage, and Disposal |
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74 | (1) |
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2.6.3.1 Waste Classification |
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74 | (2) |
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2.6.3.2 Land Disposal Restrictions |
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76 | (2) |
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2.6.3.3 Other RCRA Regulations |
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78 | (1) |
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2.6.4 Other Pertinent Regulations |
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78 | (1) |
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78 | (2) |
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2.6.4.2 Safe Drinking Water Act |
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80 | (1) |
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2.6.4.3 Occupational Safety and Health |
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81 | (1) |
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81 | (1) |
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82 | (8) |
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82 | (1) |
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2.7.2 Basis for Estimates |
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82 | (1) |
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2.7.3 Components of Cost Estimates |
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83 | (3) |
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2.7.4 Sources of Information |
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86 | (1) |
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2.7.5 Shortcuts for Preliminary Estimates |
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87 | (1) |
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2.7.5.1 Updating Capital Costs |
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87 | (1) |
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2.7.5.2 Scaling Equipment Costs |
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88 | (1) |
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2.7.5.3 Estimating Costs as a Percentage of Capital Costs |
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88 | (1) |
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2.7.6 Sensitivity Analysis |
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88 | (2) |
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90 | (5) |
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95 | (8) |
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3 Groundwater Remediation |
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103 | (106) |
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105 | (2) |
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3.2 Groundwater Extraction |
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107 | (13) |
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107 | (1) |
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3.2.1.1 Well Construction and Pumps |
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107 | (3) |
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3.2.1.2 Modeling the Flow to a single Extraction Well |
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110 | (4) |
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3.2.1.3 Siting Extraction Wells |
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114 | (1) |
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3.2.1.4 Practical Considerations |
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115 | (1) |
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115 | (1) |
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3.2.3 Interceptor Trenches |
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116 | (2) |
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3.2.4 Effectiveness of Pump-and-Treat Remedies |
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118 | (1) |
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119 | (1) |
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3.3 Groundwater Discharge |
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120 | (1) |
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3.4 Groundwater Treatment |
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121 | (31) |
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3.4.1 Immobilization Technologies |
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122 | (4) |
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3.4.2 Separation Technologies |
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126 | (1) |
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3.4.2.1 Sedimentation and Sludge Handling |
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126 | (2) |
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128 | (1) |
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3.4.2.3 Oil-Water Separators and Dissolved Air Flotation |
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129 | (2) |
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131 | (4) |
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3.4.2.5 Carbon Adsorption and Related Technologies |
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135 | (5) |
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140 | (3) |
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143 | (1) |
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3.4.3 Destruction Technologies |
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143 | (1) |
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3.4.3.1 Biological Treatment |
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143 | (1) |
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3.4.3.1.1 Model for Bioreactors |
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144 | (1) |
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3.4.3.1.2 General Design Considerations |
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145 | (3) |
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3.4.3.1.3 Applications to Groundwater Treatment |
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148 | (1) |
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3.4.3.2 Chemical Oxidation |
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149 | (2) |
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3.4.3.3 Reduction by Zero-Valent Iron (Reductive Dehalogenation) |
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151 | (1) |
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152 | (14) |
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3.5.1 Natural Attenuation |
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153 | (1) |
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3.5.1.1 Conditions for Microbial Growth; Electron Acceptors |
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154 | (1) |
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3.5.1.2 Degradation of Hydrocarbons |
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155 | (1) |
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3.5.1.3 Degradation of Chlorinated Solvents |
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155 | (2) |
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157 | (1) |
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3.5.2.1 Physical Principles |
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157 | (1) |
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3.5.2.2 Air Sparging Through Wells |
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158 | (1) |
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159 | (1) |
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160 | (1) |
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3.5.3 In Situ Bioremediation |
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161 | (1) |
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3.5.3.1 Aerobic Bioremediation |
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162 | (1) |
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3.5.3.2 Anaerobic Bioremediation |
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163 | (1) |
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3.5.4 Reductive Dehalogenation |
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164 | (2) |
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3.6 Nonaqueous Phase Liquids |
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166 | (19) |
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3.6.1 Light Nonaqueous Phase Liquids |
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167 | (1) |
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167 | (1) |
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3.6.1.1.1 Removal of LNAPL Only |
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167 | (2) |
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3.6.1.1.2 Removal of LNAPL and Groundwater |
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169 | (1) |
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3.6.1.1.3 Vacuum Extraction/Multi-Phase Extraction |
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169 | (5) |
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174 | (1) |
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3.6.2 Dense Nonaqueous Phase Liquids |
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174 | (1) |
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174 | (2) |
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3.6.2.2 Surfactants and Cosolvents |
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176 | (1) |
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176 | (3) |
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3.6.2.2.2 Cosolvents/Alcohol Flooding |
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179 | (1) |
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179 | (4) |
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183 | (2) |
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3.7 Control of Air Emissions from Groundwater Treatment Units |
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185 | (5) |
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3.7.1 Removal of Water or Other Liquids |
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186 | (1) |
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186 | (2) |
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3.7.3 Thermal Incineration |
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188 | (1) |
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3.7.4 Catalytic Incineration |
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189 | (1) |
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190 | (1) |
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190 | (6) |
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196 | (13) |
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209 | (88) |
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4.1 Soil Excavation and Materials Handling |
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209 | (9) |
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210 | (4) |
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4.1.2 Mobilization, Excavation, and Production |
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214 | (3) |
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217 | (1) |
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4.1.4 Transportation Off Site |
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217 | (1) |
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4.2 Immobilization Technologies |
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218 | (17) |
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4.2.1 Disposal/Landfilling |
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218 | (2) |
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220 | (1) |
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4.2.2.1 Construction of a Multilayer Cap |
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221 | (1) |
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4.2.2.1.1 Bottom or Low-Permebility Layer |
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221 | (2) |
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4.2.2.1.2 Middle or Drainage Layer |
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223 | (1) |
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4.2.2.1.3 Top or Erosion-Control Layer |
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224 | (1) |
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4.2.2.2 Maintenance and Monitoring |
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224 | (1) |
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224 | (1) |
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224 | (2) |
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4.2.4 Solidification/Stabilization |
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226 | (1) |
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4.2.4.1 Mechanics of Treatment |
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227 | (1) |
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228 | (1) |
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4.2.4.2.1 Pozzolan- or Silicate-Based Processes |
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228 | (1) |
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4.2.4.2.2 Cement-Based Processes |
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229 | (1) |
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4.2.4.3 Results of Treatment |
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230 | (1) |
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231 | (1) |
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4.2.5.1 Vitrification of Excavated Soil |
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232 | (1) |
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4.2.5.2 In Situ Vitrification |
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233 | (2) |
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4.3 Separation Technologies |
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235 | (27) |
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4.3.1 Soil Vapor Extraction |
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235 | (1) |
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4.3.1.1 Physical Principles |
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235 | (2) |
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4.3.1.2 Design of a Soil Vapor Extraction System |
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237 | (1) |
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4.3.1.2.1 Soil Vapor Extraction Wells |
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237 | (2) |
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4.3.1.2.2 Optimizing Air Flow Through the Soil |
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239 | (1) |
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4.3.1.2.3 Blowers and Vacuum Pumps |
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240 | (1) |
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4.3.1.2.4 Vapor Treatment System |
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241 | (1) |
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242 | (2) |
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4.3.1.4 Related Technologies |
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244 | (1) |
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245 | (1) |
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4.3.2.1 Treatment of Excavated Soil |
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245 | (1) |
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4.3.2.1.1 Pretreatment and Feed |
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246 | (1) |
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4.3.2.1.2 Thermal Processor |
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246 | (3) |
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4.3.2.1.3 Emissions Control |
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249 | (1) |
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4.3.2.1.4 Operating Considerations |
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249 | (1) |
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4.3.2.2 In Situ Treatment |
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250 | (1) |
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4.3.3 Soil Washing, Solvent Extraction, and Soil Flushing |
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251 | (1) |
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252 | (1) |
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4.3.3.2 Solvent Extraction |
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253 | (1) |
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253 | (2) |
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4.3.4 Electrokinetic Remediation Technologies |
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255 | (1) |
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255 | (4) |
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4.3.4.2 Remediation Processes |
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259 | (3) |
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4.4 Destruction Technologies |
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262 | (17) |
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4.4.1 Biological Processes |
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262 | (1) |
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262 | (1) |
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262 | (1) |
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263 | (1) |
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4.4.1.1.3 Process Options |
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264 | (5) |
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4.4.1.1.4 Operating Issues and Variations |
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269 | (1) |
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270 | (1) |
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4.4.1.2.1 Treatment Mechanisms |
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270 | (1) |
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271 | (1) |
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272 | (1) |
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4.4.2.1 Glycolite Dehalogenation |
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272 | (1) |
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4.4.2.2 Base-Catalyzed Dechlorination |
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273 | (1) |
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273 | (2) |
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275 | (2) |
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277 | (2) |
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4.4.3.3 Regulatory Requirements |
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279 | (1) |
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4.5 Control of Air Emissions from Soil Treatment Units |
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279 | (1) |
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280 | (5) |
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285 | (12) |
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297 | (22) |
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297 | (1) |
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297 | (5) |
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302 | (9) |
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311 | (6) |
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317 | (2) |
Index |
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319 | |