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d 'Ifl��fl/ri� L� <br /> t�\ � <br /> "PEN,',IT/SER VICES° j�``EN-I HEALTH Condor Earth Technologies, Inc. <br /> 21663 Brian Lane Sonora CA 95370 (209) 532-0361 <br /> 188 Frank West Circle Suite I Stockton CA 95206(209) 234-0518 <br /> 1739 Ashby Road Suite B Merced CA 95348 (209)388-9601 <br /> April 18, 2005 Condor Project No. 3761C <br /> FIRST QUARTER 2005 GROUNDWATER MONITORING REPORT <br /> Site Address: Boyett Petroleum <br /> 419 S. Main Street <br /> Manteca, California <br /> Client: Dale Boyett <br /> Boyett Petroleum <br /> P.O. Box 576277 <br /> Modesto, CA 95357 <br /> Primary Agency: Jeffrey Wong, San Joaquin County Environmental Health Department (SJCEHD) <br /> This first quarter 2005 groundwater monitoring report includes a description of groundwater monitoring <br /> conducted by Condor Earth Technologies, Inc. (Condor) at the above referenced Site (Figure 1, attached) <br /> • on March 22 and 23, 2005. This report has been submitted to the SJCEHD and the California Regional <br /> Water Quality Control Board (CRWQCB). The following are shown in Figures 1 through 5, which are <br /> attached to this report: <br /> • Site location <br /> • Site map <br /> • groundwater elevation contours <br /> • shallow monitoring well methyl tertiary-butyl ether(MTBE) isoconcentration contours <br /> • a graph of MTBE concentrations in selected monitoring wells over time <br /> Also attached are the following <br /> • Site background information <br /> • historical groundwater monitoring data <br /> • groundwater monitoring field forms <br /> • laboratory analytical results <br /> FIELD OBSERVATIONS <br /> On March 22 and 23, 2005, a Condor representative was on Site to measure water levels and collect <br /> groundwater samples from monitoring wells MW-2, MW-3, MW-4R, MW-6 through MW-11, and EW-1. <br /> The locations of the monitoring wells are shown in Figure 2, attached. Field observations included water <br /> level measurement_ annearance of SamnlPclrnlor �larit�, and nracanra nF nafrnla.�r.� —A—+ -I-- <br /> phase in samples), and collection of water quality field parameters. No floating product, sheen, or <br /> 40 <br /> 1 <br /> 4M <br /> is CONDOR <br />