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i OIL <br /> TABLE 1 <br /> LIQUID LEVEL DATA <br /> SHELL SERVICE STATION <br /> 620 WEST CHARTER WAY STOCKTON CALIFORNIA <br /> (Measurements in feet) <br /> Reference <br /> Monitoring Elevation Depth to Depth 10 Groundwater Product Well <br /> Well Date (top of casing)' Groundwater' Product' Elevation' Thickness Depth <br /> MW-1 07/10/92 8778 31 42 5636 4010 <br /> 10/09/92 3492 5286 4010 <br /> 02/19/93 2974 5804 4014 <br /> 05/27/93 2998 5780 4019 <br /> 08/26/93 3045 - 5733 --- 40 17 <br /> 11/22/93 3031 57 47 --- 4014 <br /> MW-2 07/10/92 8985 3492 3455 55 21' 037 ' <br /> 10/09/92 3315 3280 56 96" 035 <br /> 02/19/93 3339 3338 56 47' 001 <br /> 05127/93 26 11 6374 3840 <br /> 08126/93 3038 - 5957 3835 <br /> 11/22193 3092 5893 3828 <br /> NOTES = Measurement and reference elevation taken from notchimark on top north side of well casing <br /> a = 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 Associates or Blaine Tech Services Inc <br /> Aegis Ewuonmen aI Inc <br /> 91 24n/Januwy 12 1994 <br />