SITE INFORMATION AND CORRESPONDENCE

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1990-04-24 15 : 46 )5 323 0930 MAGNOLIA ENEF Vol '< PEF- INING 002 P01 MAGNOLIA ENVIRONMENTAL SERVICES GASOLINE CONTAMINATED SOIL REMEDIATION PROCESS AND EQUIPMENT DESCRIPTION PROCESS DESCRIPTION Phase—I (No Carbon C�aniater ) Gasoline contaminated soil is transported from the contaminated soil stockpile to the process equipment by a front-end loader which feeds the contaminated Boil into a three cubic yard feed bin. The material gravity feeds from the teed bin into an enclosed auger syatem which Is positioned under the fed bin. Vacuum linen leading to a bag house (positioned over the enclosed auger syntom) are connected to the auger system (approximately midway at oach Of two auger sections) . The bag house functions to establish a continuous vacuum within the enclosed auger system and removes dust particulates from the air stream. In accordw ce with air quality permit conditions, no more than 150 cubic yards per day of contaminated material will he prOceOsad utilizing the above described system. Phage II (Carbon Canister) In addition to the process equipment described above, a two thousand (2, 000) pound Carbon bed will be added if Phase I Production indicates addition of carbon is economically feasible ( 2, 000 pounds of carbon is required to accommodate 600 cfm of air and associated hydrocarbons flowing through the bag house) . Ail air discharged from the bag house will flow through the carbon bed and the cicaaned air will then be vented. BOGause hydrocarbons generated by the process are captured by the carbon rather than discharged to the air, the permissible volume of material which can be processed per day can be substantially increased_ EQUIPMENT DESCRIPTION Phase 11 ( 1 ) One 32 ' long 16" horizontal screw auger; (2) One 17, long 16" sorew auger positioned @ 450 angle. (3) One 600 cfm bag house; ase I e ( 1 ) Phase I equipment plus a 2, 000 pound carbon bed.