1. 05/01 Bioventing (6) Incineration (18) In Situ Thermal Treatment (5) Land Treatment (7) Soil Vapor Extraction (31) Solidification/Stabilization (3) Solvent Extraction (3) Thermal Desorption (22) Vitrification (2) Miscellaneous (2) Acid Leaching Soil Washing Composting (4) Electrokinetics (4) Fracturing (2) Physical Separation/ Segmented Gate System (7) Phytoremediation (3) Slurry-Phase Bioremediation (3) Miscellaneous (3) Chemical Reduction Drilling Lasagna™ Vitrification (2) FRTR Case Studies: Summary of Soil Treatment Technologies Ex Situ Soil Treatment In Situ Soil Treatment

2. 05/01 Air Sparging (10) Pump and Treat (42) Bioremediation (28) In Situ Thermal Treatment (3) In Situ Chemical Oxidation (7) In Situ Flushing (3) Monitored Natural Attenuation (6) Multi-Phase Extraction (6) Permeable Reactive Barrier (7) Drinking Water Treatment (3) Miscellaneous (3) Bioslurping Constructed Wetlands Membrane Filtration FRTR Case Studies: Summary of Groundwater Treatment Technologies Ex Situ Groundwater Treatment In Situ Groundwater Treatment

3. 05/01 FRTR Case Studies: Summary of Contaminants and Media Treated * * Some case studies address more than one type of media/contaminant 45 70 1 19 9 9 1 16 19 2 13 2 5 2 2 0 20 40 60 80 100 120 Chlorinated Solvents 28 20 11 Metals 29 35 BTEX/TPH PAHs Radioactivity PCBs Pesticides/ Herbicides Explosives SoilGroundwaterDebris/Solid Contaminant Types Number of Case Studies

4. 05/01 35 38 45 41 43 44 46 49 50 65 62 55 59 57 56 54 51 50 0 10 20 30 40 50 60 70 1990 or earlier 199119921993199419951996199719981999 FRTR Case Studies: In Situ vs. Ex Situ Treatment * * Cumulative for only soil and groundwater treatment case studies where initial year was reported (excludes case studies involving debris/solid media treatment and containment technologies.) % In Situ Case Studies % Ex Situ Case Studies Percentage of Case Studies Year Deployed 34427198118145170196221230 Cumulative Number of Case Studies

5. 05/01 FRTR Case Studies: Full-Scale and Large Field Demonstration Projects Technology Types 21 10 7 18 0 21 1 20 11 2 1 41 1 17 11 1 23 1 4 0 5 10 15 20 25 30 35 40 45 Full-Scale Field Demonstration Number of Case Studies 26 19 Soil Vapor Extraction (31) Other In Situ Soil Treatment (25) Incineration (on-site) (18) Thermal Desorption (22) Other Ex Situ Soil Treatment (31) Drinking Water Treatment (3) Pump and Treat (42) In Situ Groundwater Bioremediation (28) Debris/Solid Media Treatment (24) Containment (5) Other In Situ Groundwater Treatment (45)