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ppau'IN .c <br /> L HEALTH SEWICESPUB �C .� <br /> SAN JOAQUIN COUNTY <br /> y: <br /> JOG[KHANNA M.D.,M.P.H. <br /> Health Officer P <br /> P.O. Box 2009 • (1601 East Hazelton Menue) • Stockton, California 95201 <br /> (209) 468-3400 <br /> DAVID CHAVIER ; <br /> BANK OF STOCKTON ` <br /> P O BOX 1110 JUN 2 41993 <br /> STOCKTON CA 95201 <br /> RE: Babka/San Joaquin Beverage Company SITE CODE: 2000 <br /> 1149 West Weber <br /> Stockton CA 95201 <br /> San Joaquin County Public Health Services,Environmental Health Division(PHS/EHD)has <br /> completed review of the "Quarterly Monitoring Report" dated April 1993 and prepared by <br /> Geological Audit Services. PHS/EHD has the following comments for your consideration. <br /> The report included the results of the March 18, 1993 groundwater sampling event which <br /> indicated that petroleum hydrocarbon contaminants were not detected during laboratory <br /> analysis. Petroleum hydrocarbon contaminants also were not detected in groundwater <br /> samples collected on December 15, 1992 and December 18, 1992. However, petroleum <br /> hydrocarbon contaminants were detected in groundwater samples collected on June 9, 1992, <br /> July 1, 1992 and September 10, 1992. <br /> PHS/EHD does not concur with the recommendation that no further action is warranted. <br /> Residual soil contamination detected during the installation of MW2 and MW3, up to 33 <br /> ppb benzene, continues to pose a threat to groundwater. Furthermore, the report did not <br /> estimate the volume of residual contaminated soil. <br /> Since groundwater contamination has been evidenced and soil contamination remains in <br /> place, it will be necessary to monitor the site for an additional two quarters. Additionally, <br /> it will be necessary to determine the volume of contaminated soil and propose alternatives <br /> to remediate the residual contamination. PHS/EHD has requested on numerous occasions, <br /> August 27, 1992, September 29, 1992 and November 3, 1992 that seep water disposal <br /> documentation be submitted. To date, PHS/EHD has not received this documentation, <br /> please submit within the next quarterly report. <br /> The next quarterly monitoring event should be scheduled immediately. Please submit the <br /> requested information within the resultant quarterly report due August 16, 1993. <br /> A Division of San Joaquin County Health Care Services <br />