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California Re- gional Water Quality Control Board <br /> L <br /> Central Valley Regioili AL I <br /> Steven T.Butler,Chair Gray Davis <br /> Winston H.Hickox <br /> Secretaryfor Sacramento Main Office �9 NOV I 8 PM 1. 05 Governor <br /> Environmental Intemet Address: http://www.swrcb.ca.gov/—rwqcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 16 November 1999 <br /> Ms. Margaret Lagorio <br /> San Joaquin County.Environ-mental Health Division <br /> 304 E. Weber Avenue, Third Floor <br /> Stockton, CA 95202 <br /> NONCONCURRENCE WITH SAN JOAQUIN COUNTY'S,iNO FURTHER ACTION <br /> REQUIRED DETERMINATION,JAY'S MINI MART, 3302 WEST LANE, STOCKTON, <br /> SAN JOAQUIN COUNTY <br /> Our staffs have discussed the case Closure Summary and chronology for this site. MtBE was detected in <br /> Soil at 0.650 mg/kg. Although found at shallow depths, the ability of MtBE to travel through soils in <br /> relatively narrow pathways is of concern. Therefore, we do not concur with San Joaquin County's <br /> closure recommendation at this time. For our concurrence, Jay's Mini Mart must show, through <br /> analytical data, that groundwater at the site has not been degraded by constituents from the underground <br /> storage tanks. Also, a sensitive receptor survey must be completed unless it is determined that there are <br /> no impacts on groundwater. <br /> If you have any questions, please call Marty Hartzell at (916) 255-3115. <br /> WILLIAM J�MARSHALL <br /> Chief, Site Cleanup Section <br /> Enclosures (NFAR Memorandum and Checklist) <br /> cc: Mr. Jay McIlrath, P.O.Box 326, Stockton, CA 95201 <br /> Ms. Sandy Gill, State Water Resources Control Board,UST Cleanup Fund, Sacramento <br /> Mr. Jeffrey A. Clayton, Grayland Environmental, Davis <br /> Mr. Michael Walton, Walton Engineering, West Sacramento <br /> California Environmental Protection Agency <br /> Recycled Paper <br />