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V 1117 Lone Palm Ave , Suite B <br /> e Modesto, California 95351 <br /> www atc-enviro com <br /> 209 579 2221 <br /> Fax 209 579 2225 <br /> A S S O C I A T E S I N C �. <br /> 5� <br /> March 22, 2001 .� x <br /> 54 62514 0001 <br /> Xr <br /> Mr Michael Infurna <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Avenue, 3rd Floor <br /> Stockton, CA 95202 <br /> Subject First Quarter 2002 Groundwater Monitoring Report for King Island Resort, 11530 <br /> West Eight M le Road, Stockton, California Site Code 1557 <br /> Mr Infuma <br /> This letter report is presented to update site activities performed during First Quarter 2002 at 11530 <br /> West Eight Male Road, Stockton, California(Figure 1) Site activities included quarterly groundwater <br /> monitoring and sampling and reporting <br /> GROUNDWATER MONITORING <br /> The first quarter groundwater monitoring and sampling of monitoring wells MW 1 through MW7 was <br /> conducted by ATC Associates Inc personnel on January 14, 2002 Water level measurements were <br /> collected from all monitoring wells prior to purging and sampling Well locations are shown on Figure <br /> 2 <br /> Subsequent to monitoring, each well was purged by extracting a minimum of three well casing volumes <br /> of groundwater While purging, groundwater parameters (temperature, conductivity, and pM were <br /> monitored and allowed to stabilize before water samples were collected Samples were collected using <br /> dedicated, disposable bailers with bottom emptying devices to reduce volatilization All purged <br /> groundwater was contained in 55-gallon drums approved for hazardous liquid storage on-site pending <br /> appropriate disposal Groundwater well purge and sample logs are contained in Attachment 1 <br /> The groundwater samples collected from each well were placed on ice and transported under <br /> chain-of-custody documentation to Argon Laboratories (FLAP #2359) in Ceres, California The <br /> groundwater samples were analyzed for total petroleum hydrocarbons as diesel (TPHd), total <br /> petroleum hydrocarbons as gasoline (TPHg), benzene, toluene, ethylbenzene, and xylenes <br /> (BTEX) and methyl tertiary butyl ether (MTBE) utilizing EPA methods 8015/8020 If NTBE <br /> • was detected by EPA method 8020 then the sample was analyzed by EPA method 8206 to <br /> confirm the presence of MTBE <br /> w 1625141quart1y\1 qr-2002 doc I <br /> ENVIRONMENTAL, GEOTECHNICAL AND MATERIALS PROFESSIONALS <br />