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TABLE 1 (INTINUED <br /> LIQUID LEVEL DATA <br /> SHELL SERVICE STATION <br /> 620 WEST CHARTER WAY,STOCKTON,CALIFORNIA <br /> (Measurements in <br /> Reference <br /> Monitoring Elevation Depth to Depth to Groundwater Product Well <br /> Well Date (top of casing)' Groundwater' Product' Elevation Thickness Depth <br /> MW-3 07/10/92 88.76 3335 --- 55.41 — 39.90 <br /> 10/09/92 30.02 — 58 74 — 3980 <br /> 02/19/93 35.76 — 53.00 39.80 <br /> 05/27/93 2640 — 6236 — 37.72 <br /> MW-4 07/10/92 8846 36.86 3668 51.74* 018 ** <br /> 10/09/92 ** --- <br /> 02/19/93 3419 34.18 54 28* 0 0111 1 ** <br /> 05/27/93 2626 1 — 62.20 — 39 93 <br /> i <br /> NOTESs - Measurement and reference elevation taken from notch/mark on top north side of well casing <br /> Elevation referenced to mean sea level <br /> -- = No free product or sheen <br /> = Corrected depth to groundwater- CDTW=DTW- (SP G x LHT) <br /> CDTW= Corrected depth to water <br /> DTW=Measured depth to water <br /> SP G =Specific gravity unweathered gasoline=0 75,diesel=0 80 <br /> LHT=Measured liquid hydrocarbon thickness <br /> ** - Not measured by Emcon Associatesor Blaine Tech Services,Inc <br /> I <br /> I <br /> Aegis EmAronmental Inc <br /> 91 24&/August 3 1993 <br />