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6421 Capitol Avenue - 2 -_ • � 24 July 2000 <br /> properly destroyed. You must continue efforts to provide an alternate water source for Rocky's <br /> Restaurant so RDW-1 can be 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 will 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 Infiima 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 /> Marty Ha6ell0' <br /> Associate Engineering Geologist <br /> Enclosures <br /> cc: Ms. Wennilyn Fua, State Water Resources Control Board, UST Cleanup Fund, Sacramento <br /> Mr. Mike Infuma, San Joaquin County Environmental Health Division, Stockton <br /> Mr. Timothy J. Cuellar, Advanced GeoEnvironmental, Incorporated, Stockton <br /> Mr. Ben Guzman, San Joaquin County Municipal Utilities, Stockton <br /> Ms. Beverly Benigno, Rocky's Restaurant, Lodi <br />