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1 | (4) |
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I.1 Background and Objectives |
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1 | (1) |
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2 | (1) |
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3 | (2) |
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Chapter II Site Characterization and Remedial Investigation |
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5 | (52) |
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5 | (2) |
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II.1 Determination of the Extent of Contamination |
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7 | (21) |
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II.1.1 Mass and Concentration Relationship |
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7 | (4) |
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II.1.2 Amount of Soil from Tank Removal or Excavation of Contaminated Area |
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11 | (4) |
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II.1.3 Amount of Contaminated Soil in the Vadose Zone |
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15 | (2) |
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II.1.4 Mass Fractiona and Mole Fraction of Components in Gasoline |
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17 | (3) |
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II.1.5 Height of the Capillary Fringe |
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20 | (2) |
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II.1.6 Estimating the Mass and Volume of the Free-Floating Product |
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22 | (2) |
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II.1.7 Determination of the Extent of Contamination A Comprehensive Example Calculation |
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24 | (4) |
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II.2 Soil Borings and Groundwater Monitoring Wells |
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28 | (4) |
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II.2.1 Amount of Cuttings from Soil Boring |
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28 | (1) |
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II.2.2 Amount of Packing Materials and/or Bentonite Seal |
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29 | (2) |
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II.2.3 Well Volume for Groundwater Sampling |
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31 | (1) |
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II.3 Mass of Contaminants Present in Different Phases |
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32 | (25) |
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II.3.1 Equilibrium Between Free Product and Vapor |
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33 | (3) |
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II.3.2 Liquid-Vapor Equilibrium |
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36 | (6) |
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II.3.3 Solid-Liquid Equilibrium |
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42 | (4) |
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II.3.4 Solid-Liquid-Vapor Equilibrium |
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46 | (2) |
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II.3.5 Partition of Contaminants in Differents Phases |
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48 | (9) |
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Chapter III Plume Migration in Groundwater and Soil |
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57 | (46) |
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III.1 Groundwater Movement |
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58 | (9) |
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58 | (1) |
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III.1.2 Darcy's Velocity vs. Seepage Velocity |
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59 | (2) |
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III.1.3 Intrinsic Permeability vs. Hydraulic Conductivity |
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61 | (3) |
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III.1.4 Transmissivity, Specific Yield, and Storativity |
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64 | (2) |
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III.1.5 Determine Groundwater Flow Gradient and Flow Direction |
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66 | (1) |
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III.2 Groundwater Pumping |
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67 | (7) |
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III.2.1 Steady-State Flow in a Confined Aquifer |
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67 | (4) |
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III.2.2 Steady-State Flow in an Unconfined Aquifer |
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71 | (3) |
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74 | (7) |
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75 | (2) |
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III.3.2 Cooper-Jacob Straight-Line Method |
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77 | (2) |
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III.3.3 Distance-Drawdown Method |
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79 | (2) |
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III.4 Migration velocity of the Dissolved Plume |
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81 | (13) |
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III.4.1 The Advection-Dispersion Equation |
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81 | (1) |
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III.4.2 Diffusivity and Dispersion Coefficient |
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82 | (6) |
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III.4.3 Retardation Factor for Migration in Groundwater |
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88 | (2) |
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III.4.4 Migration of the Dissolved Plume |
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90 | (4) |
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III.5 Contaminant Transport in the Vadose Zone |
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94 | (9) |
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III.5.1 Liquid Movement in the Vadose Zone |
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94 | (1) |
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III.5.2 Gaseous Diffusion in the Vadose Zone |
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95 | (3) |
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III.5.3 Retardation Factor for Vapor Migration in the Vadose Zone |
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98 | (5) |
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Chapter IV Mass Balance Concept and Reactor Design |
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103 | (36) |
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IV.1 Mass Balance Concept |
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104 | (3) |
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107 | (5) |
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107 | (3) |
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110 | (2) |
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112 | (10) |
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113 | (4) |
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117 | (2) |
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119 | (3) |
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122 | (2) |
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IV.5 Reactor Configurations |
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124 | (15) |
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IV.5.1 Reactors in Series |
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125 | (6) |
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IV.5.2 Reactors in Parallel |
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131 | (8) |
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Chapter V Vadose Zone Soil Remediation |
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139 | (44) |
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V.1 Soil Vapor Extraction |
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139 | (29) |
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139 | (1) |
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V.1.2 Expected Vapor Concentration |
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140 | (8) |
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V.1.3 Radius of Influence and Pressure Profile |
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148 | (3) |
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151 | (4) |
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V.1.5 Contaminant Removal Rate |
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155 | (3) |
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158 | (6) |
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V.1.7 Effect of Temperature on Soil Venting |
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164 | (1) |
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V.1.8 Number of Vapor Extraction Wells |
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165 | (1) |
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V.1.9 Sizing of Vacuum Pump (Blower) |
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166 | (2) |
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168 | (6) |
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V.2.1 Description of the Soil Bioremediation Process |
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168 | (1) |
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V.2.2 Moisture Requirement |
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168 | (2) |
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V.2.3 Nutrient Requirements |
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170 | (2) |
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172 | (2) |
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V.3 Soil Washing/Solvent Extraction/Soil Flushing |
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174 | (4) |
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V.3.1 Description of the Soil Washing Process |
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174 | (4) |
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V.4 Low-Temperature Heating (Desorption) |
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178 | (5) |
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V.4.1 Description of the Low-Temperature Heating (Desorption) Process |
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178 | (1) |
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V.4.2 Design of the Low-Temperature Heating (Desorption) Process |
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178 | (5) |
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Chapter VI Groundwater Remediation |
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183 | (46) |
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VI.1 Hydraulic Control (Groundwater Extraction) |
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183 | (15) |
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VI.1.1 Cone of Depression |
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184 | (5) |
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VI.1.2 Capture Zone Analysis |
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189 | (9) |
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VI.2 Above-Ground Groundwater Treatment Systems |
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198 | (19) |
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VI.2.1 Activated Carbon Adsorption |
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198 | (7) |
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205 | (6) |
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VI.2.3 Advanced Oxidation Process |
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211 | (2) |
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VI.2.4 Metal Removal by Precipitation |
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213 | (1) |
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VI.2.5 Biological Treatment |
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214 | (3) |
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VI.3 In Situ Groundwater Remediation |
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217 | (12) |
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VI.3.1 In Situ Bioremediation |
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217 | (5) |
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222 | (7) |
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Chapter VII VOC-Laden Air Treatment |
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229 | (26) |
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VII.1 Activated Carbon Adsorption |
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229 | (8) |
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VII.1.1 Adsorption Isotherm and Adsorption Capacity |
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230 | (3) |
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VII.1.2 Cross-Sectional Area and Height of GAC Adsorbers |
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233 | (1) |
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VII.1.3 Contaminant Removal Rate by the Activated Carbon Adsorber |
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234 | (2) |
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VII.1.4 Change-Out (or Regeneration) Frequency |
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236 | (1) |
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VII.1.5 Amount of Carbon Required (On-Site Regeneration) |
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237 | (1) |
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237 | (11) |
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VII.2.1 Air Flow Rate vs. Temperature |
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238 | (1) |
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VII.2.2 Heating Values of an Air Stream |
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239 | (2) |
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241 | (2) |
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VII.2.4 Auxiliary Air to Supply Oxygen |
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243 | (2) |
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VII.2.5 Supplementary Fuel Requirement |
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245 | (1) |
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VII.2.6 Volume of Combustion Chamber |
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246 | (2) |
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VII.3 Catalytic Incineration |
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248 | (3) |
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248 | (1) |
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VII.3.2 Supplementary Heat Requirements |
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249 | (1) |
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VII.3.3 Volume of the Catalyst Bed |
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250 | (1) |
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VII.4 Internal Combustion Engines |
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251 | (1) |
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VII.4.1 Sizing Criteria/Application Rates |
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252 | (1) |
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VII.5 Soil Beds/Biofilters |
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252 | (3) |
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252 | (3) |
Index |
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255 | |