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1117 Lone Palm Avenue Suite B <br /> q. Modesto California 95351 <br /> U wwwatc-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 /> 01) <br /> March 22, 2001 <br /> 54 62514 0001 <br /> Mr Michael Inform <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Avenue, 3rd Floor <br /> Stockton, CA 95202 <br /> Subject Second Quarter 2000 Groundwater Monitoring Report for King Island Resort, 11530 <br /> West Eight Mile Road, Stockton, California Site Code 1557 <br /> Mr Infurna <br /> This letter report is presented to update site activities performed during second quarter 2000 at 11530 <br /> West Eight Mile Road, Stockton, California (Figure 1) Site activities included quarterly groundwater <br /> monitoring and sampling and reporting <br /> GROUNDWATER MONdTORING <br /> The second quarter groundwater monitoring and sampling of monitoring wells MW 1 through MW6 <br /> was conducted by ATC Associates Inc personnel on June 16, 2000 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 pH) 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 drains 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 Sequoia Analytical (ELAP #1624) in Sacramento, California <br /> The 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 <br /> W w2514�yuarsiyagr-2000 d" 1 <br />