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` Regional Office <br /> ®INTERNATIONAL 4585 Pacheco Boulevard <br /> TECHNOLOGY Martinez,California 94553-2233 <br /> CORPORATION 510-372-9100 <br /> Fax; 510-372-5220 <br /> November 4, 1996 <br /> Ms. Mary Meays, REHS <br /> Senior Registered Environmental Health Specialist <br /> Public Health Services <br /> San Joaquin County Environmental Health Division <br /> 304 E. Weber Street <br /> Stockton, CA 95201 <br /> Soil and Groundwater Modeling Report, Site Code 22073 <br /> Van den Bergh Foods Company, Stockton - <br /> Dear Ms. Meays: <br /> On behalf of Van den Bergh Foods Company, we have attached,the Soil and Groundwater Modeling <br /> report for the subject site. The modeling results predict that the residual TPH as diesel impacted soils at <br /> the site would contribute a maximum average TPH as diesel groundwater concentration of 44 pg/L in the <br /> vicinity of the source, as shown in Figure 4 of the subject report. This contribution would reduce to less <br /> that 5 pg/L TPH as diesel within approximately ten years. <br /> Based on the historical sampling information, and the predicted-mass loading from the vadose zone, this <br /> site does not appear to limit the beneficial uses of the regional aquifer. In addition, since TPH as diesel <br /> is the only contaminant of concern at this.site, and average groundwater concentrations do'not appear to <br /> poses a risk to human health and the environment, we are recommending that this site be closed, and no <br /> further corrective action be required. 'We would like to request immediate suspension of the quarterly <br /> groundwater monitoring requirement for the site, and upon receipt of your concurrence, Van den Bergh <br /> Foods Company will proceed with well abandonment activities prior.to formal site closure. <br /> We appreciate your cooperation in this matter. Should you have any questions, please call Mr. Frank <br /> Yoneshige at (209) 466-9580 or me at (510) 372-5253. <br /> Sincerely, <br /> Linus Farias <br /> Project Manager <br /> MZ/VDBF/96-0022.LTR ; <br /> Attachment <br /> cc: Ms. Elizabeth Thayer, Central Valley RWQCB <br /> Mr. Frank Yoneshige, Van den Bergh Foods Co. _ <br /> Mr. Bud Kopp, Van den Bergh Foods Co. : <br /> p l> <br /> i <br /> IT Corporab'on is cr wholly owned subsidiary of raster OVOnd Technology Corporation <br /> .. v <br />