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Environmental Bio-Systems, Inc.

IN-SITU CHEMICAL OXIDATION USING JETTING DELIVERY TECHNOLOGY. Environmental Bio-Systems, Inc. Jim Jacobs, RG, REA, CHG. Overview of Compounds that can be Oxidized:. MTBE, TBA Chlorinated solvents (PCE, TCE, DCA) Polychlorinated Biphenols (PCBs) Pentachlorophenol (PCPs) Solvent stabilizers

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Environmental Bio-Systems, Inc.

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  1. IN-SITU CHEMICAL OXIDATION USING JETTING DELIVERY TECHNOLOGY Environmental Bio-Systems, Inc. Jim Jacobs, RG, REA, CHG Environmental Bio-Systems, Inc.

  2. Overview of Compounds that can be Oxidized: • MTBE, TBA • Chlorinated solvents (PCE, TCE, DCA) • Polychlorinated Biphenols (PCBs) • Pentachlorophenol (PCPs) • Solvent stabilizers • Free product or hot spots • Fuel hydrodcarbons and BTEX • Pesticides (DDT, DDE, etc.) Environmental Bio-Systems, Inc.

  3. Chemical Oxidation • BEST MAP FOR SUCCESS: • Bench test and chemical evaluation using soil and • groundwater data: • TOC, pH, alkalinity, iron content, contaminant • concentrations, temperatures, other data • Pilot Scale Test –field test with soil and • groundwater confirmation testing • 3) Full Scale Remediation Environmental Bio-Systems, Inc.

  4. Selected Remediation Case Studies: • In-Situ Oxidation of TCE, PCE in Soil and Groundwater • In-Situ Oxidation of Hydrocarbons in Groundwater • In-Situ Oxidation of PCE in Soil • In-Situ Oxidation of Free Product Environmental Bio-Systems, Inc.

  5. RIP® - Case Study #1 RIP® Chemical oxidation – Low permeability silty clays; pH > 8.0; 2 ft. centers Environmental Bio-Systems, Inc.

  6. RIP® - Case Study #1 - Details Contaminants: TCE, PCE, 1,2-DCE • Low permeability soil: silty clay • Close spacing of RIP probes: 2 foot centers • High pH; > 8.0 • Treatment event: about 1 week • Number of events: 1 Environmental Bio-Systems, Inc.

  7. RIP® - Case Study #1 • Average of 93% reduction in total VOCs in soils due to chemical oxidation, 1 week of treatment Environmental Bio-Systems, Inc.

  8. RIP® - Case Study #1 • Average of 61% reduction in groundwater based on 1 treatment event Environmental Bio-Systems, Inc.

  9. RIP® - Case Study #2 RIP®In-Situ Chemical Oxidation of Groundwater Environmental Bio-Systems, Inc.

  10. x x x x x x x x x x x x x x x x RIP® - Case Study #2 In-Situ Chemical Oxidation of Groundwater Fuel Terminal Contaminated Zone Monitoring Wells Concentrations (mg/L) Building Tanks Building (Data: Cambria Environmental) Environmental Bio-Systems, Inc.

  11. RIP® - Case Study #3 In-Situ Chemical Oxidation of Soil with PCE Environmental Bio-Systems, Inc.

  12. RIP PROJECT RIP® - Case Study #3 In-Situ Chemical Oxidation of Soil with PCE * US EPA Residential PRG; (Data MFG, Inc) Environmental Bio-Systems, Inc.

  13. RIP® - Case Study #4 In-Situ Oxidation of 1.5 cm of Free Product RIP PROJECT Environmental Bio-Systems, Inc.

  14. RIP ® – Case Study #4 In-Situ Oxidation of 1.5 cm of Diesel in Groundwater (Data: SECOR International) Environmental Bio-Systems, Inc.

  15. In-Situ Soil Washing using Surfactants • Solutions • Surfactants • Co-Solvents • Microemulsion- droplets of oil in solution • Move contaminant toward treatment using extraction wells Free product Oil Microemulsion Environmental Bio-Systems, Inc.

  16. In-Situ Soil Washing using Surfactants • Requires extraction system Contaminants: • Heavy Oils • PCBs • Free Product Free product Oil Microemulsion Environmental Bio-Systems, Inc.

  17. Environmental Bio-Systems, Inc.www.EBSinfo.com QUESTIONS…. James A. Jacobs, RG, REA, CHG Tel: 415-381-5195 Fax: 415-381-5816 Email:augerpro@sbcglobal.net Environmental Bio-Systems, Inc.

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