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ANDERSON <br /> CONSULTING <br /> GROUP <br />' File No 2070-2 <br /> 30 November 1993 <br /> Geotechnical and <br /> Environmental <br />' Engmeenng <br /> Solid Waste <br /> Management Rainbo Baking Company of <br /> Waste Reduction <br /> and Recycling Sacramento Valley <br />' P O Box 5387 <br /> Sacramento, CA 95517 <br />' Attention Al Neer <br />' Subject Rainbo Baking Facility in StOLkton <br /> 2651 S Airport Way <br /> San Joaquin County Site Code 19093 <br />' Stockton, San Joaquin County, California <br /> RESULTS OF THIRD QUARTER 1993 <br /> GROUNDWATER SAMPLING <br />' Dear Mr Nccr <br /> This rcport summarizes the results of our thud quarter 1993 groundwater sampling <br /> for the Rambo Baking Company of Sacramento Valley facility located at 2651 S <br /> Airport Way, Stockton Califoinia (,,cc Figure 1) <br />' Three of the eight monitoring wells at the site were sampled during the third quarter <br /> o11993 The remaining live wells did not contain sufficient water to allow sampling <br /> The monitoring wells were sampled under the guidance of Margaret Lagorao of the <br />' San Joaquin County Health Department <br /> In summary, the report contains the following conclusions <br /> 1) The local Iknv direction of the groundwater was determined to be toward <br /> 631 Commerce Drive the east/northeast with a gradicnt of 0 0016 ft/ft <br />' Roseville,CA 95678 6431 <br /> 2} The groundwater eamplc collected from monitoring well MW-1, located <br /> 916 9698883 in the center of the prior tank cluster, had 41,000 parts per billion petroleum <br />' 9167868883 hydrocarbons as gasoline No diesel fuel or motor oil was detected <br /> Fax 916 786 7891 3) The groundNv,iter in monitoring well MW-2, located approximately 70 feet <br /> southwest of the prior tank cluster, had a moderate petroleum hydrocarbon <br />' odor No diswforation or floating product was noted There was insufficient <br /> 350 Crown Point Circle water in monitoi Ing well MW-2 to collect a sample <br /> Suite 250, Grass Valley,CA <br /> 95945-7801 <br /> 916 273 7645 <br /> Fax 916 273 9159 <br /> an employee owned company <br />' 0%recycled paper <br />