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TABLE 1 <br /> RELATIVE GROUNDWATER ELEVATIONS* <br /> Arts & Artists <br /> 204 East Lodi Avenue, Lodi, California <br /> Relative Groundwater <br /> Relative Depth to Groundwater Elevation <br /> Well No. Casing <br /> Elevation 3194 6/94 10/94 3/94 6/94 10/94 <br />' MW-1 98.16 57.07 58.93 61.22 41.09 39.23 36.94 <br /> MW-3 97.32 56.80 58.18 ---- 40.52 39.14 ---- <br />' MW-4 98.30 57.14 59.09 61.42 41.16 39.21 36.88 <br /> MW-5 96.78 56.03 58.21 60.20 40.75 38.57 36.58 <br />' MW-6 97.60 56.30 58.42 60.48 41.30 39.18 37.12 <br /> MW-7 98.11 57.16 59.44 61.45 40.95 38.67 36.66 <br />' MW-8 97.94 56.7758.83 60.83 41.17 39.11 37.11 <br /> 'AH measurements in feet <br /> 3.2 Groundwater Sample Collection <br /> Water samples were collected from MW-1, MW-4, MW-5, MW-6, MW-7 and MW-8 using <br /> new disposable plastic bailers. The samples were collected in 40-m1 EPA vials and placed <br /> in a chilled container. The samples were transported under chain-of-custody to Alpha <br />' Analytical Laboratories (AAL) in Ukiah, California. All samples were analyzed for total <br /> petroleum hydrocarbons (TPH as gasoline) and volatile aromatics (BTE&X) in accordance <br /> with EPA methods 5030/8015m and 602 respectively. <br /> 4.0 FINDINGS <br /> 4.1 Groundwater Elevation and Gradient <br />' The relative elevation of the groundwater in each well was calculated by subtracting the <br /> groundwater depth from the surveyed casing elevation (Table 1). The data indicate that <br />' groundwater has dropped an average of 2.11 feet in wells since the June 1994 monitoring <br /> event. This follows normal seasonal trends. Groundwater flow continues to slope to the <br /> south at a similar overall gradient to the gradient observed in March and June 1994 (Figure <br />' 3). A mounding effect is still present near MW-1. However, the prominence of this mound <br /> has decreased since the June monitoring. <br />' Qeebpal Auda Services,fen L <br /> Art R Arteu OMO- WL6 <br /> 47 <br />