Engineering Issue Paper: In-Situ Chemical Oxidation August 2006

III. TECHNOLOGY DESCRIPTION AND TECHNOLOGY SELECTION FACTORS III.A. Bench-Scale Studies III.A.1. Objectives III.A.2. General Guidelines III.A.3. Oxidant Demand III.B. Pilot-Scale Studies III.B.1. Objectives III.B.2. General Guidelines III.C. Technology Applicability III.C.1. Location of Oxidant Application III.C.2. Contaminant Characteristics III.C.3. Subsurface Characteristics III.D. Site Requirements and Operational Issues III.D.1. Site Characterization Data III.D.2. Required Site Infrastructure III.D.3. Regulatory Constraints on Injection of Reagents III.E. Field-Scale Implementation and Engineering Design Considerations III.E.1. Treatment Objectives III.E.2. General Conceptual Approach to ISCO III.E.3. Oxidant Delivery III.E.4. Monitoring III.E.5. Summary of Contaminant Transport and Fate Mechanisms during ISCO III.E.6. Safety Issues III.E.7. Treatment Trains III.F. Limitations/Interferences/Impacts III.F.1. Untreated COCs/Rebound III.F.2. Toxic Reaction Byproducts III.F.3. Process Residuals III.F.4. Geochemical Impacts III.F.5. Impact of ISCO on Natural Attenuation and Biodegradation III.G. Summary