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PUBIC HEALTH SEWICES OPQV�N••C <br /> SAN JOAQUIN COUNTY r. Z <br /> Q: -4 <br /> JOGI KHANNA M.D.,M.P.H. <br /> Health Officer <br /> P.O. Box 2009 . (1601 East Hazelton Avenue) Stockton,California 95201 <br /> (209) 468-3400 <br /> July 26, 1990 <br /> City of Stockton <br /> 425 N. E1 Dorado St. <br /> Stockton, CA 95202 <br /> Attn: Jim Escobar, Department of Public Works <br /> RE: Police Facility REFER TO SITE CODE: 1178 <br /> 22 E. Market Street <br /> Stockton <br /> San Joaquin County Public Health Services, Environmental Health <br /> Division (PHS/EHD) has reviewed the Problem Assessment Report (PAR) <br /> submitted by Waterworks on January 31, 1990. California Regional <br /> Water Quality Control Board's (CRWQCB) comments on the above <br /> mentioned report have been enclosed for your records. PHS/EHD has <br /> the following remarks and recommendations: <br /> A. ) Sample the domestic well located within the building. <br /> Analyze samples for BTX & E, TPH-G, TPH-D and motor oil <br /> utilizing minimum verification methods mentioned in table <br /> 2 of the Regional Board Staff Recommendations and the <br /> LUFT Manual. <br /> B. ) A second round of water samples should be performed to <br /> support the "ND" conditions. Contact PHS/EHD to set an <br /> appointment date so that an inspector may be present <br /> during the sampling of the monitoring and domestic wells. <br /> C. ) Soil samples taken during soil remediation should be <br /> analyzed by a state certified laboratory capable of <br /> reaching the minimum detection limits mentioned in table <br /> 2 of the Regional Board Staff Recommendations and the <br /> LUFT Manual. "ND" conditions cannot be supported with <br /> the detection limits used in the October 19, 1990 soil <br /> investigation. <br /> D. ) Waterworks states on page 1 of this report that the <br /> investigation was conducted in accordance with their <br /> April 20, 1989 proposal. This proposal states that four <br /> monitoring wells and two soil borings would be drilled <br /> during the field investigation. Only one monitoring well <br /> and one soil boring were attempted at this site. Further <br /> investigation may be required, including the installation <br /> of these remaining monitoring wells after the evaluation <br /> of the resampling results for the domestic and monitoring <br /> we171 located at this site. <br /> A Division of San Joaquin County Health Care Services <br />