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i <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQ IN COUNTY <br /> Unit Supervisors <br /> a_ a Donna K.Heran,R.E.H.S. <br /> h. Director 304 East Weber venue, Third Floor Carl Bor an,KE.H.S. <br /> Al Olsen,R.E.H.S. Stockton, Calif ornia 95202-2708 Mike Huggins,R.E.H.S.,R.D.I. <br /> Program Manager <br /> Douglas W.Wilson,R.E.H.S. <br /> Telephone: 209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Laurie A.Cotulla,RE.H.S. <br /> Program Manager Fax: (20)) 464-0138 Robert McClelIon,R.E.H.S. <br /> Mark Barceilos,.R.E.H.S. <br /> LAURINO AND MARY-LOU PONTES APR 17 2003 <br /> PONTES QUICKI-KLEEN CAR WASHRECEIVED <br /> 707 E YOSEMITE AVE <br /> MANTECA CA 95336 <br /> RE: PONTES QUICKI-KLEEN CAR WASH Site Code: 500097 <br /> 707 EAST YOSEMITE <br /> MANTECA CA 95336 <br /> San Joaquin County Environmental Health Departrn nt (EHD) discussed the status of the <br /> above-referenced site with Central Valley Regional Water Quality Control Board (RWQCB) <br /> on April 16,2003. Analytical results of the groundwater samples from all three monitoring <br /> wells at the site over the last four quarters were non- etect at or above the method detection <br /> limits,with the exception of MW-2 in August 2002,which had a concentration of 0.60 <br /> micrograms per liter (µg/i) of methyl.butyl Cert ether (MTBE). Based on previous <br /> investigations, .Advanced GeoEnvironmental, Inc. (AGE) calculated a mass of 0.37 gallons of <br /> gasoline remaining in the soil. <br /> RWQCB agreed with EHD that the site is a candidate for closure status pending receipt of a <br /> 500-foot radius door-to-door well receptor survey, arid the submission of a certification of a <br /> list of all record fee title owners. Sensitive Receptor Suney, dated January 25, 2002,prepared by <br /> AGE,reported three municipal wells, but did not reF ort any private wells in the area of the <br /> site. Due to the presence of numerous residential is in the area, a door-to-door survey <br /> for domestic wells is required before a"no Farther action" status can be given. Submit this <br /> well receptor survey and a certification of a list of all record fee title owners to EHD by June <br /> 4, 2003. <br /> Please feel free to contact Jeffrey Wong at(209) 468-D335 if you have any questions. <br /> Donna Henan,REHS,Director <br /> Environmental Health Division <br /> Je Frey Wong, Senior REHS Nuel C. Henderson,Jr,,,RG <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> c: RWQCB, Central Valley Region—jam s L 1.Barton,RG <br /> X AGE—Brian Millman <br />