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1 2 NOVEMBER 2002 GROUNDWATER MONITORING <br /> Groundwater monitoring procedures and findings are contained in this section <br /> 21 Groundwater Monitoring Procedures <br /> A geologist from Kleinfelder (PSC's subcontractor), of Sacramento, <br /> California, performed groundwater monitoring on November 5, 2002 <br /> Groundwater samples were collected from monitoring wells MW-1, MW-4, <br /> MW-9, MW-10, MW-12, MW-13, SPA, SP-2, PZ-1 and PZ-2 as directed by <br /> the EHD <br /> Prior to sample collection, Kleinfelder's geologist measured groundwater <br /> levels in these wells, and the potential presence of free phase gasoline product <br /> with an electronic oil/water interface probe Free phase gasoline product has <br /> never been observed in any well <br /> Klelnfelder's geologist purged a minimum of three well volumes of <br /> groundwater from each well into 55-gallon drums using clean, dedicated <br /> balers Field parameters pH, temperature, and electrical conductivity were <br /> measured for stability The 55-gallon drums were temporarily stored on-site, <br /> then removed and transported to PSC's licensed, California waste disposal <br /> facility <br /> I Groundwater samples were collected with clean, disposable bailers, and <br /> transferred into clean laboratory-provided containers Sample containers were <br /> sealed., labeled, and stored in an iced chest for subsequent delivery to the <br /> analytical laboratory <br /> Samples were delivered with chain-of-custody control to Severn Trent <br /> Laboratory in San Francisco, California Samples were analyzed for benzene, <br /> toluene, ethylbenzene, xylenes (BTEX), TPH-G and oxygenate compounds <br /> TBA, MTBE, DIPE, ETBE, and TAME using EPA Method 8260B <br /> a <br /> November 2002 Groundwater Monitoring And Remediation Status Report <br /> The.Carthgr inns Baking Company <br /> 2651 South Airport Way-Stockton Califomna <br /> PrcparLd for 111E hAK1iiCR\INb 13A1.1NG CC1jN1P%NV Priparcd by Philip Services Corp <br /> 11 TN%�624001,2\121 IxIt CV;tocti0nlS1­A10n\I 102inandoc IXCenlher9 2002 <br />