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California Re%onal Water Quality Antrol Board <br /> vCentral Valley Region a <br /> Robert Schneider,Chair <br /> Winston H.Hickox Gray Davis <br /> Secretaryfor Sacramento Main Office Governor <br /> Environmental Intemet 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 tCD <br /> O - <br /> C <br /> 10 November 2003 <br /> N <br /> Ti• <br /> Mrs. Francis Lee cin <br /> French Cleaners — <br /> 416 W. Yosemite Avenue <br /> Manteca, CA 95337 <br /> REQUEST FOR INVESTIGATION AT 416 W. YOSEMITE AVENUE, MANTECA, SAN <br /> JOAQUIN COUNTY <br /> The dry cleaning solvent perchloroethene (PCE)has been detected in groundwater at the Rainwater Car <br /> Wash, which is near the French Cleaners, 416 W. Yosemite Avenue, Manteca. We are requesting that <br /> you conduct a soil vapor survey on and around your property. Since dry cleaning solvents are volatile <br /> and groundwater in this area is shallow, a soil vapor survey is a cost effective means of determining <br /> whether a release occurred on your property. Because we are not certain of the date of the release of the <br /> PCE, we are also interested in any information you may have on the property owner and previous <br /> operators of dry cleaning businesses at your location. <br /> By 15 December 2003,please submit a work plan for a soil vapor survey at your property. The survey <br /> should include, at a minimum, vapor samples from the vicinity of the sewer lateral connection of the <br /> building, and from the front and rear of the property. If you have any questions, you may contact me at <br /> (916) 255-3077 or at djuthg@rb5s.swrcb.ca.gov. <br /> GERALD J. DJUTH, P.E., C.E.G. <br /> Associate Engineering Geologist <br /> cc: Jeff Wong, San Joaquin County Environmental Health, Stockton <br /> California Environmental Protection Agency <br /> �d Recycled Paper <br />