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Condor Earth Tech 0`g'_ies,,,Jn1 <br /> 21663 Brian Lane Son�.a CA 95370'(209)532-0361 <br /> 188 Frank West Circle Suite I Stocn=kA)9526 pp)234-0518 <br /> April 26,2002 Condor Project No.3471A <br /> FIRST QUARTER GROUNDWATER MONITORING REPORT R= <br /> FEBRUARY 2002 <br /> Site Address: Eckert Cold Storage =" <br /> 757 Moffat Blvd. r =' <br /> Manteca, California CY, r <br /> Client: Mr. Pete Thompson <br /> 19901 Me Henry Avenue <br /> Escalon, California <br /> Primary Agency: Sam Savig, San Joaquin County Environmental Health Department <br /> Copy to: Marty Hartzel, California Regional Water Quality Control Board, Central Valley <br /> Region <br /> This is a report of the results of the first quarter, 2002 groundwater monitoring event conducted on <br /> February 27, 2002 at the above-referenced site. Maps indicating the site location, monitor well locations <br /> • and well-collar elevations (site map), groundwater elevation contours on February 27, 2002, and <br /> groundwater gradient on February 27, 2002 are included as Figures 1, 2, 3, and 4, Attachment A, <br /> respectively. Also attached are site background information, historical laboratory analytical data for the <br /> groundwater monitoring, field forms, and laboratory analytical reports for the current monitoring event. <br /> This report has been submitted to the San Joaquin County Environmental Health Department and the <br /> California Regional Water Quality Control Board (CRWQCB), as referenced above. <br /> Summary of February 2002 Quarterly Groundwater Monitoring Event <br /> Field Activity <br /> Number of monitor wells 8 Number of monitor wells sampled 7 <br /> Number of domestic wells 1 Number of domestic wells sampled 1 <br /> Date(s)monitored and sampled 2/27/02 <br /> Site Hydrology <br /> Average depth to groundwater below 16.80 ft bgs Average increase(})/decrease (--) in 1.4 feet <br /> monitor well measuring points depths to groundwater since last sampling (shallower) <br /> Approximate groundwater flow direction Northwest 33 �— <br /> Groundwater Contamination <br /> Wells containing free product None Wells with petroleum hydrocarbon odors <br /> - <br /> rioted <br /> Number of wells with concentrations 3 --�—Number of wells with concentrations at { <br /> below MCLS for any reported or above MCIs for any reported •i <br /> contaminant _ contaminant <br /> IL 1) caNnoR <br />