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� � � � aaa air awl■ X11 I�r w. �� �� ....�. �� � � �,.. I <br /> TABLE 1 CONTINUED <br /> LIQUID LEVEL DATA <br /> SHELL SERVICE STATION <br /> 620 WEST CHARTER WAY,STOCKTON CALIFORNIA <br /> (Measurements in feet) <br /> Monitoring Reference Depth to Depth to Groundwater Product Well <br /> Well Date Elevation Groundwater' Product' Elevation Thickness Depth <br /> (top of casing)' <br /> MW-3 04/26/61 8876 3292 NR 5584 HS NR <br /> 07/23/91 31 28 NR 5748 LS NR <br /> 08/01/91 31 56 NR 5720 -- NR <br /> 10/30/91 3289 NR 5587 --- NR <br /> 01/28/92 3328 NR 5548 --- NR <br /> 04/30/92 3275 NR 5601 --- 399 <br /> MW-4 04/26/91 8846 FP NR FP 1 0 NR <br /> 07/23/91 FP NR FP 002 NR <br /> 08/01/91 FP NR FP 005 NR <br /> 10/30/91 FP NR FP 004 NR <br /> 01/28/92 FP NR FP 03 NR <br /> 11 1 04/30/92 3524 NR 53 23* 1 001 NR <br /> NOTES 1 = Measurement and reference elevation taken from notch/mark on top north side of well casing <br /> 2 = Elevation referenced to(mean sea level or arbitrary benchmark) <br /> FP = Free phase hydrocarbons <br /> NM Not measured <br /> = No free product or sheen <br /> PL = Pump location <br /> NA = No access <br /> HS = Heavy sheen <br /> LS = Light sheen <br /> NR = Not reported by Emcon Associates of Sacramento California <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 <br /> diesel=0 80 <br /> LHT= Measured liquid hydrocarbon thickness <br /> F ^ice-nvioninc I In <br /> A"111 10 11111, <br />