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�jt7�[1//B[� �E'OSy�tQ/ns 4191-E Power Inn Road, Sacramenlo, CA 95826 (9 16) -152-2901 <br /> o FREMONT IRVINE • HOUSTON s 1105TON *SACRAMENTO o.C-ULVER CITY •SAN JOSE <br /> September 13, 1989 <br /> 0830gbro <br /> AGS 38053-2 <br /> Mr. Gary Brophy <br /> 1235 Slayton Drive <br /> iktanteca, California 95336 <br /> Subject: Addendum to Work Plan for re-excavation of former tank cavity and soil <br /> sampling at former Texaco Service Station, 941 East Yosemite, Manteca, <br /> California. <br /> Mr. Brophy: <br /> As you requested,.we have prepared this addendum to our work plan for re-excavation of <br /> is <br /> Sit <br /> the former tank cavity and soil sampling shown on the Site Vicinity Map, Plate P-1 t This addendum summa izes the tresults of <br /> he e <br /> analyses of soil samples collected from beneath the underground product-delivery lines after <br /> their removal and presents a method to evaluate and remove soil contamination detected <br /> beneath the removed underground product-delivery lines. After review of our work plan <br /> (Applied GeoSystems, Report No. 38053-2, May 3, 1989), the San Joaquin Public Health <br /> Services, Environmental Health Division, requested the work described in this addendum- <br /> On August 24, 1989, Don Lambert & Sons, of Waterford, California, removed the <br /> underground product-delivery lines remaining at the site. Applied GeoSystems notified the <br /> appropriate authorities before removal of the lines. A geologist from Applied GeoSystems <br /> ' was present at the site to observe removal of underground produc;-delivery lines, examine <br /> the condition of the lines after removal,and collect appropriate samples from soil beneath <br /> the former lines. Mr. Harland Knoll of the San Joaquin County Public Health Services, <br /> Environmental Health Division, was present at the site during soil sampling. <br /> k;. Subjective evidence of hydrocarbon contamination in the form of obvious odor was noted <br /> in the soil sample collected from directly beneath the former dispensers. No subjective <br /> evidence of hydrocarbon contamination was noted in a sample collected from native soil <br /> between the former tank cavity and the dispenser islands- The sample locations, along with <br />