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200 <br /> Brown & Root Erol l'tiDlll ental �Deerfieia Drive,act►,FL 31 <br /> (954)570-5885 <br /> FAX (954)570-5974 <br /> January 15, 1997 <br /> Mr Brian Cobb <br /> Environmental and Construction Manager <br /> E-Z Serve Petroleum Marketing Company of California <br /> P O Box 922021 <br /> Houston, Texas 77292-2021 <br /> SUBJECT: Fourth Quarter 1996 Groundwater Monitoring(October through December) <br /> Former E-Z Serve Facility No. 100878 <br /> 1012 West Yosemite Avenue,Manteca,California <br /> Dear Mr Cobb <br /> Brown & Root Environmental (BRE) was contracted by E-Z Serve Petroleum Marketing <br /> Company of California (E-Z Serve) to perform groundwater monitoring at the former E-Z Serve <br /> Facility No 100878 (Site) The Site is located at 1012 West Yosemite Avenue, Manteca, <br /> California The Site is presently operated as a used-car dealership which does not dispense <br /> gasoline The three underground storage tanks (USTs) were excavated and removed in January <br /> 1991 Site features are depicted on Figure 1 <br /> This report summarizes field and analytical data collected during the,current quarter (October <br /> 1996 through December 1996) for this facility The activities summarized in this report were <br /> completed at the direction of the San Joaquin County Public Health Services Department <br /> (SJCPHSD) - Environmental Resources Division <br /> MONITORING RESULTS <br /> On December 10, 1996, BRE personnel performed the fourth quarter morutoring event Depth to 1 { <br /> groundwater measurements were collected prior to well purging and sampling Prior to sampling <br /> all monitoring wells were checked for the presence of phase separated hydrocarbons using a <br /> clear, Teflon bailer Phase separated hydrocarbons were not detected at this Site ,'The field, <br /> protocol followed by BRE,personnel during groundwater well purging and sampluig its included <br /> as Appendix A Well purging and sampling documentation logs are included as Appendix B <br /> BRE will forward documentation of purge water disposal to the State,agency under,a separate <br /> cover. <br /> V I <br /> A Hallibuirton Company <br /> I i <br />