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Frank C. Alegre Trucking, Inc. 4203-F1 <br /> i Former Trucking Facility December 10, 1996 <br /> L REPORT ON SOIL MITIGATION AND EXCAVATION Page 4 <br /> November (SP-1/2) found no hazardous levels of volatile/semi'-volatile organics or metals. A Total <br /> Recoverable Petroleum Hydrocarbon (TRPH ) concentration of 6,000 ppm was reported for <br /> Sample SP-1/2. <br /> L Off-Site Disposal <br /> i <br /> L Following submittal and review of the laboratory analyses for the excavated soil stockpiles, the material <br /> was accepted for disposal at the Forward, Inc. solid waste disposal facility (Stockton, California). On <br /> November 26 and 27, 1996, approximately 260 tons of soil were transported from the subject property <br /> to the landfill. Copies of the non-hazardous waste manifests and charge tickets are provided in <br /> L Appendix D. <br /> Discussion <br /> The field and laboratory test data indicates that the lateral extent of the impacted soil has been <br /> identified. The affected soil was excavated to the extent feasible and disposed at the Forward, Inc. <br /> landfill facility. Laboratory results for Sample EB-1, recovered from the base of the excavation <br /> (±30 feet) indicates petroleum hydrocarbon contamination remains within a limited lateral area, to an <br /> undetermined depth. <br /> We are pleased to have had the opportunity to provide observation services during the soil excavation <br /> with the collection of soil samples. As requested, a copy of this report has been provided to <br /> Ms. Margaret Lagorio with the San Joaquin County Health Department. If you have any questions <br /> regarding the findings or recommendation from this study, pleased contact our office. <br /> Very truly yours, <br /> � <br /> ENGEO INCORPORATED Reviewed by: <br /> Shawn Munger Brian Flaherty <br /> Certified Hydrogeologist 413 Vice President <br /> Certified Engineering Geologist 1256 <br /> sm/lb:soil <br /> i <br />