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1 <br /> 3.5 Monitoring Well Surveying <br />' 4n March 1, 1995, the casing elevations of the <br /> three <br /> ele atnonsnwereng ells there calculated. relative <br /> Casing <br /> to an arbitrary reference point Th <br /> elevations for all wells are included in Table 1 <br />' 3.6 Laboratory Analysis of Soil and Water Samples <br />' Selected soil samples were analyzed for total petroleum hydrocarbons (TPH as gasoline and <br /> diesel) and volatile aromatics (BTE&X) in accordance with EPA methods 8015m and 8020, <br /> respectively Each water sample was analyzedend 602 TPH as <br /> res sect respectively <br /> PH as diesel and <br />' BTE&X in accordance with EPA methods 8 P <br />' 4.0 FINDINGS <br /> 4.1 Stratigraphy <br /> In both borings (MW-2 and MW-3), asphalt was encountered from surface grade to <br /> approximately 4 inches Medium- to coarse-grained sands were encountered from depths of <br /> 4 inches to 7 feet Well sorted, coarse-grained sands were encountered at depths of 7 to 12 <br /> feet Fine-grained sand with clay and sWater was encountered ed in eachwas encountered from sboringof 12 f at aeet tdepth of <br /> o boring <br /> termination at approximately 30 feet <br /> appro)dmately 15 to 20 feet. <br /> No hydrocarbon odors were detected in any of the samples collected from either boring. <br /> Boring logs are included in Appendix A. <br /> 4.2 Analytical Results of Soil Samples <br /> Four soil samples were analyzed by MAI All samples were analyzed for TPH as gasoline, <br /> TPH as diesel and BTE&X No TPH as <br /> olf the soil;sampas lesel es arersBun summarized in Table 2 <br /> in any of the soil samples Analytical results <br /> The laboratory results and chain-of-custody are included in Appendix C. <br /> 4.3 Relative Groundwater Elevation and Gradient <br /> ng <br /> The relative elevation of the groundwater in P ll Table was calculated <br /> average depth dto <br /> he <br /> depth to water from the surveyed casing <br /> elevation <br /> groundwater at the site is 19 84 feet below surface grade (big) The groundwater gradient <br /> was calculated to be 0 0022 ft/ft directed N 380 W (Figure 3) <br /> 0-6pml A S.�_. b <br /> atiw..a p�sRnas��..iv9s <br />