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PUBLIC riEALTH SERV-10ES <br /> P�V�N <br /> SAN JOAQUIN COUNTY <br /> 2 , <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer <br /> 304 E. Weber Ave., Third Floor • P. O. Box 388 • Stockton, CA 95201-0388 °4�;FORa`P <br /> 209/468-3420 <br /> THRIFTY OIL COMPANY i <br /> CRAYMOND C FRIEDRICHSEN <br /> 10,000 LAKEWOOD BLVD OCT 2 N 1916 <br /> DOWNEY CA 90240-4082 <br /> RE: TOSCO #02479 (formerly Thrifty #172) SITE CODE: 1227 <br /> 7647 Pacific Ave. <br /> Stockton, CA. 95207 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS-EHD) <br /> has reviewed the combined report for the above noted site. The groundwater quarterly <br /> monitoring events for the second and third quarters of 1996 and the soil analyses for <br /> the installation of monitoring wells 10 and 11 as well as vapor wells 1 through 6 were <br /> the topics of the report. <br /> Missing from the report were the boring logs for the monitoring and vapor wells installed <br /> during May 1996. Also missing was the groundwater gradient map for the August 14, <br /> 1996 sampling event. <br /> For the last year, your quarterly reports have lacked the required signature of a <br /> California registered individual qualified to make geological interpretations (i.e., a RG or <br /> CEG). On this last combined report, there was not a Thrifty Oil representative signature <br /> either. All reports submitted to PHS-EHD that include geological or engineering <br /> evaluations are to be signed by a qualified registered professional as well as the <br /> responsible party or the report will not be accepted. <br /> Soil data listed within Appendix C, on page 2, listed EPA method 8015M (Gasoline) <br /> data for "VW-10-5 through VW-10-45". Since there is no VW-10, this error will need to <br /> be corrected and an updated/corrected copy of this page should be submitted to PHS- <br /> EHD immediately. <br /> Notations at the bottom of Table 1 indicated that the detection limit for TPH-G was at <br /> 0.2 mg/l. The accepted detection limit for TPH-G is 50 ug/I or 0.05 mg/I only. Reports <br /> submitted with data listed at elevated detection limits and reported as "ND" (non-detect) <br /> will not be accepted. <br /> A Division of San?oaquin LJUnty Heaith Care-er\ices <br />