SITE INFORMATION AND CORRESPONDENCE_FILE 1

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RUSS CHAP I N 209-464-6947 09-05-95 08-22 P.03 t • soil vapor extraction for site cleanup and who is cognizant of problems that may develop during remediation. % BACKGROUND OWNER OPERATOR NAME 'had xxx underground fuel tanks removed from the subject property by xxxx. For more information on this project, the technical reports prepared during site investigation will be made available upon request for review at the office of the OWNER/OPERATOR or at SJCDEH. C,,WQRK M BE EEO EQRMER Tho consultant who conducted the soil and groundwater investigations recommendp that soil vapor extraction be used to " remove the petroleum hydrocarbons from the soil at the source area and that through its dontinued operation, can also reduce hydrocarbon levels in the groundwater. The technical reports prepared during site investigation will be made available upon request for review at OWNER/ OPIrRATOR's office or at SJCDFH. I The chosen consultant will be required to provide all manpower, equipment, supplies, permits, and licenses required to perform the i following work. However, the OWNER/ OPERATOR reserve the right to modify, as deemed necessary, the scope of services to be provided by the bidder. A phased approach to remediation is requested. These phases should include, but not be limited to the following: Em - Would be to use the existing vapor extraction wells and install underground piping and vapor extraction treatment ' equipment to start the remedial process. An extraction blower (design capacity of 250 scfrn and 7 - 8 inches of mercury), emissions treatment system (design capacity or 99% destruction at 250 scfm), security fence, and associated equipment and materials needed to accomplish the task of operation, maintenance, and monitoring will have to be provided. Equipment and ,materials purchased for use during the first phase should be either modular or have built-in expansion capability for continued use during the page 2