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California Regional Water Quality coontrol Board <br /> NP AF <br /> Central Valley Region <br /> Steven T.Butler,Chair Gray Davis <br /> Winston H.Hickox <br /> Secretaryfor Sacramento Main Office Governor <br /> Environmental Internet Address: http://w .sw b.ca.gov/— gcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,Califomia 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 8 December 1999 SIVED <br /> UEC 10 1999 <br /> EN1.11: O�1'i'V;ENTAL HEALTH <br /> CERTIFIED MAIL CERTIFIED MAIL CERT" ' b <br /> Z 471 428 131 Z 471 428 132 Z 471 428 133 <br /> Mohamed&Huda Gubary Nagi &Halima Saleh-Ali Durhim Saleh-Ali <br /> 23569 South Santa Fe Road 23569 South Santa Fe Road 23569 South Santa Fe Road <br /> Riverbank, CA 95367 Riverbank, CA 95367 Riverbank, CA 95367 <br /> REQUIREMENT TO SUBMIT REPORTS UNDER WATER CODE SECTION 13267 FOR <br /> RANCH MARKET, 23569 SOUTH SANTA FE ROAD, RIVERBANK <br /> Total petroleum hydrocarbons and related constituents were detected in soil and ground water during the <br /> May 1991 underground storage tank(UST)removal at the Ranch Market, and subsequently in one soil <br /> boring completed in January 1998. Four on-site monitoring wells, installed on 24 November 1998,had <br /> noticeable petroleum odors and stained soils; as reported by the San Joaquin County Public Health <br /> Services (County). <br /> Between 26 May 1999 and 3 September 1999, County staff sent multiple letters to Durham Saleh-Ali <br /> requesting the Monitoring Well Installation Report for wells installed on 24 November, initiation of <br /> ground water quarterly monitoring of on-site monitoring wells, sampling of downgradient domestic <br /> wells, and record fee title owner information. On 8 September 1999, the County sent a certified letter to <br /> Durham Saleh-Ali requesting a meeting on 21 September 1999 to discuss noncompliance with County <br /> directives. Neither Mr. Durham Saleh-Ali,nor his representative attended the scheduled meeting. <br /> On 7 October 1999, a consultant for Mr. Durham Saleh-Ali sampled three neighboring domestic wells, <br /> with County staff present. Methyl t-butyl ether(MtBE), a gasoline additive,was detected at <br /> 38 micrograms per liter(µg/1)in the closest domestic well located at 23565 South Santa Fe Road. A <br /> second water sample was collected on 3 November 1999, and MtBE was confirmed at 58 µg/1,which <br /> exceeds both the California Secondary Maximum Contaminant Limit(MCL) of 5 µg/1, and Public <br /> Health Goal of 13 µg/1. On 22 October 1999,the County sent a letter to the occupants at <br /> 23565 South Santa Fe Road,notifying them not to drink the water. <br /> The presence of MtBE at concentrations above the Secondary MCL and Public Health Goal has <br /> adversely affected the beneficial uses of the private well located at 23565 South Santa Fe Road. <br /> Therefore,we request that you provide an alternate water supply to replace the existing degraded supply. <br /> Your plans to replace this water supply must be documented in a technical report to the Regional Board. <br /> California Environmental Protection Agency <br /> ed Recycled Paper <br />