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PUBLIC � <br /> C HEALTH SEACES ou!N C <br /> SAN JOAQUIN COUNTY =: z <br /> JOGI KHANNA N.D,N.P H. <br /> Health Officer <br /> P.O. Box 2009 • (1601 East Hazelton Avenue) • Stockton, California 95201 acs Foa <br /> (209)468-3400 <br /> CHUCK NICHOLS � <br /> PO BOX 1839 � f JUIN 1 ? 199 <br /> SANTA MONICA CA 90406 <br /> RE: USA Petroleum #110 SITE CODE: 1669 <br /> 2132 Mariposa Road <br /> Stockton, Ca <br /> San Joaquin County Public Health Services, Environmental Health Division has reviewed the "Workplan <br /> for Site Assessment of Soil and Groundwater" dated May 27, 1992, submitted by Park Environmental. <br /> Please be advised when constructing the monitoring wells that the maximum length of the screened <br /> interval of a monitoring well should be 20 feet. In addition, the maximum amount of bentonite to be <br /> added to the cement grout is 5 percent. <br /> The soil samples that are to be analyzed for Total Lead should also be subjected to the Waste Extraction <br /> Test if the level of Total Lead is 13 parts per million or greater. Deionized water should be used as the <br /> extraction solution for this test in lieu of the acid extraction solution. This procedure would yield results <br /> more indicative of the amount of soluble lead under normal site conditions. <br /> A site specific "Health and Safety Plan" prepared by Park Environmental, should be submitted to this <br /> office. A permit application and the associated $89.00 fee also are to be submitted. The permit must be <br /> approved prior to scheduling work at the site. <br /> Please submit the above mentioned items by June 29, 1992. <br /> If you have any questions please contact Linda Turkatte, REHS, of my staff at (209) 468-0339. <br /> Jogi Khanna, M.D., M.P.H. <br /> ealth Of r <br /> Laurie A Cotul a, REHS rogram Manager <br /> Environmental Health Di Sion <br /> LAC/LT:lb <br /> c: Beth Thayer-CVRWQCB <br /> c: Ed Furu-Park Environmental <br /> 5100 E. Hunter Ave. <br /> Anaheim, CA 92807 <br /> A Division or San Joagwn County HeaLLh(2 C SeMces l <br />