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SEMI-ANNUAL GROUND WATER MONITORING REPORT Stn Joaquin County Public Health Services <br /> JANUARY THROUGH JUNE 2000 <br /> Montgomery Ward Auto Service Center Site Code 2163 <br /> . 5400 Pacific Avenue,Stockton,CA EAI Project No 1232 <br />' gradient of approximately 0 011 foot/foot (see Figure 2) There is an observed difference in the <br /> ground water elevation in the deep and shallow wells associated with the Unocal property The <br />' shallow wells are screened across thee top of the water table and are therefore assumed to be <br /> representative of water table conditions Therefore ground water elevations in the deep Unocal <br /> wells were not used in construction of the ground water elevation map The ground water flow <br /> I direction for all quarters for which data are available is as follows <br /> PERIOD FLOW DIRECTION <br />' First Quarter 93 East Southeasterly <br /> Second Quarter 93 South Southwesterly <br /> Third Quarter 93 South Southwesterly <br />' Fourth Quarter 93 East Southeasterly <br /> First Quarter 94 Easterly <br /> Second Quarter 94 Southerly <br /> Third Quarter 94 Southerly <br /> Fourth Quarter 94 Southeasterly <br /> I First Quarter 95 East Southeasterly <br /> Second Quarter 95 West Southwesterly <br /> Third Quarter 95 West Southwesterly <br /> M Fourth Quarter 95 Easterly <br /> First Quarter 96 Easterly <br /> Second Quarter 96 Southwesterly <br />' Third Quarter 96 Southwesterly <br /> Fourth Quarter 96 Undetermined <br /> First Quarter 97 Northeasterly <br /> Second Quarter 97 Southwesterly <br /> Third Quarter 97 Southwesterly <br /> Fourth Quarter 97 Easterly <br /> iFirst Quarter 98 Easterly <br /> Second Quarter 98 Westerly <br />' Third Quarter 98 Southwesterly <br /> Fourth Quarter 98 Easterly <br /> First Quarter 99 Easterly <br /> Second Quarter 99 Westerly <br /> Third Quarter 99 Westerly <br /> Fourth Quarter 99 Easterly <br />' June 2000 Westerly <br />' During this sampling event, no hydrocarbons were detected in the Delta College well above the <br /> laboratory detection limit <br /> BHM t232R0061 3 ENVIRONMENTAL AUDIT, INC <br />