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TABLE 1 (CONTINUED) <br /> LIQUID LEVEL DATA <br /> SHELL SERVICE STATION,6131 PACIFICAVENUE,STOCKTON,CALIFORNIA <br /> (Measurements in feet) <br /> Well Date Depth to Depth to Product Reference Product Groundwater Well <br /> No. Product Groundwater' Thickness Elevation' Elevation Elevation Depth' <br /> (top of casing) <br /> MW-3 11/06/90 — 5723 — 10165 — 44.42 65.00 <br /> 12/05/90 --- 5722 --- --- 44.43 64.90 <br /> 01/09/91 — 5760 — — 4405 6492 <br /> 02/18/91 5786 5788 002 43.79 43.77* 64.90 <br /> 03/05/91 5795 5798 003 4370 43 67* 6488 <br /> 04/09/91 5695 5697 002 4470 44 68* 64.95 <br /> 05/06/91 5755 5757 002 4410 44 08* 64.85 <br /> 06/06/91 — 5738 — — 44.27 64.93 <br /> 07/17/91 5794 5802 008 4371 43.69* --- <br /> 08/02/91 5779 5849 070 4386 43 69* 64.93 <br /> 09/12/91 5789 5872 083 4376 43 55* — <br /> 10/08/91 57.85 58.93 108 4380 43 53* — <br /> NOTES 1 = Measurement and reference elevation taken from notch/mark on top of north side of well casing <br /> 2 = Elevation referenced to a temporary bench mark with an assumed elevation of 100 feet above mean sea level <br /> 3 = Measurement from top of casing to bottom of well <br /> _ <br /> Not measured <br /> * - Corrected groundwater elevation- 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 /> Aegis Enwronmenta! Inc <br /> January 6 1992 <br />