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 7--Guidance for Evaluation of Volatile Emissions ............................................ 7-1
7.1 General Considerations .......................................................................... 7-1
7.1.1 Volatilization Processes ................................................................ 7-1
7.1.2 Condition 1 - Submerged Dredged Material ................................. 7-3
7.1.3 Condition 3 - Exposed Dredged Material ..................................... 7-3
7.1.4 Regulatory Considerations............................................................ 7-4
7.1.5 Data Requirements ....................................................................... 7-5
7.1.6 Summary of Tiered Evaluations for Volatile Emissions ............... 7-5
7.1.7 OSHA Air Quality Standards ....................................................... 7-6
7.2 Tier I Initial Evaluation of Volatile Emissions .................................... 7-8
7.3 Tier II Volatile Emissions Screen........................................................ 7-8
7.3.1 Tier II Volatilization Screen ...................................................... 7-9
7.3.2 Tier II - Volatile Emissions Decision............................................ 7-9
7.4 Tier III Volatile Flux Chamber Test .................................................. 7-10
7.4.1 Volatile Emissions Laboratory Test Procedure - Volatile Flux
Chamber (VFC) ................................................................................... 7-10
7.4.2 Tier III - Volatile Emissions Decision ........................................ 7-10
7.5 Dispersion Evaluations for Volatile Emissions .................................... 7-11
7.6 Tier IV Volatile Emissions Risk Assessment .................................... 7-12
7.6.1 Evaluation ................................................................................... 7-12
7.6.2 Tier IV - Volatile Emissions Decision ........................................ 7-12
7.7 Volatile Emissions Controls ................................................................. 7-13
7.8 References and Bibliography ............................................................... 7-13
8--Animal Bioaccumulation .............................................................................. 8-1
8.1 General Considerations .......................................................................... 8-1
8.1.1 Animal Bioaccumulation Processes .............................................. 8-1
8.1.2 Regulatory Considerations............................................................ 8-1
8.1.3 Data Requirements ....................................................................... 8-3
8.1.4 Summary of Tiered Evaluation of Animal Bioaccumulation ........ 8-3
8.2 Tier I Initial Evaluation of Animal Bioaccumulation .......................... 8-5
8.2.1 Compilation and Evaluation of Existing Information ................... 8-6
8.2.2 Development of Conceptual Site Model ....................................... 8-6
8.2.3 Tier I - Evaluation Procedure........................................................ 8-9
8.2.4 Tier I - Animal Bioaccumulation Decision ................................. 8-10
8.3 Tier II Theoretical Bioaccumulation Potential .................................. 8-10
8.3.1 Tier II Theoretical Bioaccumulation Potential Procedure ........ 8-11
8.3.2 Tier II Theoretical Bioaccumulation Potential Decision .......... 8-12
8.4 Tier III Animal Bioaccumulation Test .............................................. 8-12
8.4.1 Tier III Animal Uptake Test Procedure ................................... 8-12
8.4.2 Tier III - Animal Bioaccumulation Decision .............................. 8-13
8.5 Tier IV Animal Bioaccumulation Risk Assessment .......................... 8-14
8.5.1 Evaluation ................................................................................... 8-14
8.5.2 Tier IV - Animal Bioaccumulation Decision .............................. 8-14
8.6 Animal Bioaccumulation Management Actions................................... 8-15
8.7 References ............................................................................................ 8-15
9--Plant Bioaccumulation .................................................................................. 9-1
9.1 General Considerations .......................................................................... 9-1
9.1.1 Plant Bioaccumulation Processes.................................................. 9-1
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