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TABLE 1 <br /> (continued) <br /> GROUNDWATER POTENTIOMETR[C ELEVATIONS <br /> Jackpot Food Mart <br /> '14000 East Highway 88 <br /> Lockeford,Califomia <br /> WELL DATE TOP OF CASING DEPTH TO DEPTH TO GROUNDWATER ELEVATION CGWE <br /> ID SAMPLED ELEVATION(Z) PRODUCT WATER ELEVATION CHANGE <br /> FEE FEE FEE FEE FEE FEE <br /> 07119!96 10051 P 67,70 3281 --- <br /> 12/19196 NP 6690 3361 080 <br /> 02/26/97 NP 7720 2331 1030 <br /> 04/16197 NP 7700 2351 020 <br /> 07/14/97 NP 7649 2402 061 <br /> 10/13/97 NP 7646 2405 003 <br /> 01/27/98 NP 7696 2355 050 <br /> 04/27/98 NP 7613 2438 0 83 <br /> 08/13/98 NP 6659 3392 964 <br /> 10/26/98 NP 7505 2546 -846 <br /> 01/27/99 NP 7542 2509 037 <br /> 04/26/99 NP 7571 24 80 029 <br /> 07/14/99 NP 7586 2465 015 <br /> 11124/99 NP 7679 2372 093 <br /> 02/17/00 NP 7689 2362 010 <br /> NOTES_ <br /> NP = Not Present <br /> CGWE= Corrected Ground Water Elevation <br /> a) Groundwater elevations corrected where free product was observed,using the equation <br /> Cge =Oge+(PT x SgP)where Cge=Corrected groundwater elevation <br /> Oge —Observed groundwater elevation <br /> FT — Product Thickness <br /> SgP = Estimated specific gravity of free phase gasoline,typical gasoline specific <br /> Initial survey conducted on 1119195 for monitor wells MW-I through NIRV-4 with an <br /> arbitr iry datum of 100 feet assumed at the southeast corner orthe underground storage <br /> . tank cancrete pad Monitor ffells through NIW-10 were survt}td on 07/19/96 <br /> j the same southeast corner of tank pad <br /> Tim MLockefordTableA As <br /> 4 <br />