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14 <br />a <br />6421 Capitol Avenue <br />24 July 2000 <br />properly destroyed. You must continue efforts to provide an alternate water source for Rocky's <br />Restaurant so RDW -1 canbe destroyed. <br />AGE identified groundwater extraction and treatment as the most effective method for soil and <br />groundwater remediation at the site. Contaminated soils associated with the underground storage tanks <br />(USTs) were excavated in 1995.when the USTs were replaced, and current soil contamination is due to <br />contaminant transport by shallow groundwater. AGE proposes to pump extracted groundwater from <br />multiple on-site shallow and intermediate wells through an air stripper to remove TPH and BTEX <br />constituents, and then through a series of carbon vessels with MtBE specific carbon to remove MtBE. <br />The soil and groundwater cleanup is expected to take approximately 36 months. <br />AGE proposed to discharge treated water directly into the storm drain at the site, but was denied access <br />by the San Joaquin County Public Works. AGE now proposes to discharge treated water into a <br />Department of Water Resources (DWR) conveyance ditch south of the site. AGE has submitted a <br />discharge request to the DWR, and is in the process of submitting an application to this Board for a <br />surface water discharge permit. <br />The PAR proposed groundwater remediation for on-site contamination only. However, once RDW -1 <br />has been destroyed, and additional site assessment work is completed, off-site remediation Mll likely be <br />required. On 7 July 2000 and 12 July 2000, I discussed the PAR with AGE. I notified AGE to submit <br />the Final Remediation Plan by 31 July 2000, as required by Cleanup and Abatement Order No. 5-00-700. <br />Please notify Mr. Mike Infurna at the San Joaquin County Environmental Health Division and me at <br />least two business days prior to any site work or sampling. If you have any questions or comments, <br />please call me at (916) 255-3115. <br />'� <br />Marty Ha tell <br />Associate Engineering Geologist <br />Enclosures <br />cc: Ms. Wennilyn Fua, State Water Resources Control Board, UST Cleanup Fund, Sacramento <br />Mr. Mike Infurna, San Joaquin County Environmental Health DiNision, Stockton <br />Mr. Timothy J. Cuellar, Advanced GeoEnvironmental, Incorporated. Stockton <br />Mr. Ben Guzman, San Joaquin County Llunicipal Utilities, Stockton <br />Ms. Beverly Benigno, Rocky's Restaurant, Lodi <br />