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PURL HEALTH SE' k- ICES ��N.: .�o <br /> SAN JOAQUIN COUNTY z <br /> a: .a <br /> try: X <br /> JOGI KHANNA M.D.,M.P.H. <br /> Health Officer P <br /> P.O. Box 2009 (1601 East Hazelton Avenue) Stockton,Califomia 95201 <br /> C4tiFOR�� <br /> (209)4683400 <br /> APR 24 7991 <br /> MARY RAYGOZA <br /> l <br /> DELTA TRUCK SALES coo <br /> P O BOX 8068 <br /> STOCKTON CA 95208 <br /> i <br /> RE: Roy Thomas Trucking IN REPLY REFER TO SITE CODE: 1699 <br /> 3665 E. Cherokee Rd. <br /> Stockton, CA 95205 <br /> We have reviewed the November 8, 1990 Report of Soil Investigation <br /> and Over-excavation for the above referenced location. An <br /> additional 500 cubic yards of soil was removed from around the 1 <br /> original tank excavation, and one soil boring was drilled through <br /> the floor at an adjacent building. The total depth of the over- <br /> excavation was 25 feet below surface. Residual contamination was <br /> detected at that depth (toluene, 6.3 parts per billion (ppb) ; <br /> xylene 9ppb; total petroleum hydrocarbon's 1 part per million <br /> (ppm) ) . These levels, when applied to the LUFT Leaching Potential, <br /> require no further investigation; however, ',jthe 800 cubic yards of <br /> contaminated soil stockpiled on site must be treated or disposed of <br /> certification is ranted. <br /> before site g <br /> Please submit a soil treatment or disposal plan to San Joaquin <br /> County Public Health Services, Environmental Health Division <br /> (PHS/EHD) by May 22, 1991. <br /> If you have any questions, contact Eleanor Ratliff, REHS, at <br /> (209) 468-3454. <br /> Jogi Khanna, M.D. , M.P.H. <br /> Health Of r <br /> L rie A. otulla, REHS, Program Manager <br /> nvironmental Health Division <br /> LAC/ER:nr <br /> c: CVRWQCB <br /> A Division of San Joaquin County Health Care Services <br /> I� <br />