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I <br /> California Regional Water Quality Control Board s; <br /> Central Valley Region <br /> F�"n li Htckox m <br /> Steven T Butler,Chair <br /> Cray Davis <br /> etaryfor Sacraento Main Office Governor <br /> ironmental Internet Address http//www swrcb ca gov/rwgcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 18 August 2000 <br /> Durhim Ali Juban Nagi Saleh-Ali Mohamed & Huda Gubary <br /> 667 O'Farrell Street#10 PO Box 1322 25 Poncetta Drive #201 <br /> San Francisco, CA 94109 Riverbank, CA 95367 Daly City, CA 94015 <br /> REQUEST FOR CORRECTIVE ACTION PLAN <br /> RANCH MARKET, 23569 SOUTH SANTA FE ROAD, RIVERBANK, SAN JOAQUIN COUNTY <br /> I reviewed your 3 August 2000 Draft First Phase Soil and Groundwater Assessment Results (Assessment <br /> Report) prepared by Secor International Incorporated As presented in the Assessment Report, two <br /> continuous core soil bonngs were completed to 75 feet, and four geoprobe soil borings to 40 feet <br /> Generalized site lithology consists of silt and clay with minor sand from the surface to 30 feet, and sand <br /> with minor gravels and silt from 30 to 75 feet Hydrocarbon impacted soils were identified at 20 to 30 <br /> Oet below ground surface, where first groundwater was encountered <br /> Groundwater samples were collected at 32 to 37 feet in the shallow borings, and from 75 to 78 feet in the <br /> deep continuous core bonngs Both shallow and deep borings showed hydrocarbon impact to <br /> groundwater including MtBE One deep and five shallow monitoring wells were installed during the <br /> second week of August, and a quarterly monitoring event was scheduled for 16 August 2000 <br /> hinvestigation data collected to date you must complete the following <br /> Based on the site , y p g <br /> 1 By 15 September 2000, locate and install a permanent water supply well to replace the <br /> neighboring domestic well (DW-2) that was taken out of service in January 2000 San Joaquin <br />' County Environmental Health Division (County) has special requirements for well installation in <br /> areas of known groundwater contamination, and these requirements must be met Contact Mike <br /> Infurna at the County for further direction <br />' 2 By 1 October 2000, properly destroy DW-2 <br /> 3 By 1 October 2000, prepare and submit a Problem Assessment Report (PAR) as presented in <br /> Appendix A to the Tn-Regional Recommendations The PAR must include a feasibility study to <br /> identify and evaluate alternatives for remedying site soil and groundwater contamination <br /> I <br /> AUG 2 1 <br /> California Environmental Protection Agency <br /> r : Recticled Paver <br />