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SKTH -"t_TSI <br /> ENVIRONMENTALTECFINOLOGIESCOAPOftATION <br /> r <br /> ` � 3 <br /> December 5, 1995 <br /> 94-304 <br /> Mr Harlin Knoll <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P O Box 2009 <br /> Stockton, CA 95201 <br /> Subject BJJ Trucking, 2431 East Manposa Rd , Stockton, California <br /> Mr Knoll <br /> Smith Environmental Technologies Corporation has prepared this letter report to present <br /> the results of third quarter 1995 monitoring and sampling activities at the above referenced <br /> site (Figure 1) <br /> On September 18, 1995, Smith Environmental, on behalf of BJJ Trucking, conducted <br /> groundwater monitoring of monitoring wells MW1 and MW2 in addition to the site facility <br /> well (FW) During monitoring the depth to water and depth to bottom were measured <br /> The water levels In wells MW1 and MW2 have decreased an average of 2 77 feet since last <br /> measured on May 31, 1995 (Table 1) The water level in the facility well had decreased <br /> 6 29 feet since monitored in May 1995 The well locations are shown on Figure 2 <br /> Subsequent to purging, water samples were collected from wells WI and MM2 for <br /> analysis of benzene, toluene, ethylbenzene, xylenes (BTEX), and total petroleum <br /> hydrocarbons as gasoline (TPHg) by EPA methods 8020 and 8015, respectively Analysis <br /> was conducted by Argon Mobil Laboratory, certificate #1873, located in Ceres, California <br /> Petroleum hydrocarbon analytes were not present at or above laboratory method detection <br /> limits in water samples collected from wells MW 1 or MW2 These data are consistent with <br /> the previous seven quarterly sampling rounds, beginning January 6, I994 Analytical data <br /> are included in Table 2 Monitoring data, purge logs, laboratory data sheets, and chain-of- <br /> custody documentation are included as attachments <br /> 150066WARTLY13RD-QTR Doc <br /> 1260 Graphics Drive - Modesto,CA 95351-1502 (209)579-2221 Fax(209)579-2225 <br /> Engineering Consulting Remediation Construction <br />