Electrical Resistance Heating & Soil Vapor Extraction John Menatti Manager Petroleum Storage Tank Trust Fund Utah Department of Environmental Quality ASTSWMO LUST & State Fund Workshop Tampa, Florida May 20, 2014 Jeff Kuhn McMillan-McGee Electro-Thermal Dynamic Stripping Process Electrical Resistivity Heating/Soil Vapor Extraction Remediation Project Former Gas Station 1310 East 3300 South, Salt Lake City, Utah Facility ID 4001145, Release MKK For questions, please call: John Menatti (DEQ) at (801) 554-6560 Kevin Beery (DEQ) at (801) 536-4214 Antea Group at (800) 651-3117 Former UST Basin Former Former Electrode Ground Surface SVE Wells Silt & Clay 15 ft bgs Sandy Gravel 30 ft bgs 35 ft bgs 37 ft bgs Silt & Clay with several thin, interbedded sand & gravel layers 50 ft bgs 60 ft bgs 47 ft bgs 57 ft bgs LNAPL Smear Zone and GW Depth (47-53 ft bgs) Sonic Drilling Rig LNAPL (gasoline) at 50 feet bgs in clay Electrodes Installing ERH Electrodes using Sonic Drill Rig Calgary, Alberta, Canada Thermal Oxidizer & Explosion-Proof Blower Piping Headers Vapor Extraction Wells Testing For Stray Current No Stray Current Detected January 7, 2014 46.5 feet bgs November 18, 2013 49.5 feet bgs 37.5 feet bgs January 6, 2014 49.5 feet bgs 58.5 feet bgs 40.5 feet bgs 46.5 feet bgs February 5, 2014 52.5 feet bgs Vapor Temp = 136 degrees F Vacuum = 8 inches Hg Flow = 216 cfm “The Beast” Thermal Oxidizer Oct. 28, 2013 ERH-SVE system startup. March 1, 2014 1 ton (333 gallons) of TPH-Gasoline removed from the subsurface clayey soil in about 4 months. Electrical Resistivity Heating/Soil Vapor Extraction Remediation Project Former Gas Station 1310 East 3300 South, Salt Lake City, Utah Facility ID 4001145, Release MKK For questions, please call: John Menatti (DEQ) at (801) 554-6560 Kevin Beery (DEQ) at (801) 536-4214 Antea Group at (800) 651-3117
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