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TABLE 1 <br /> (continued) <br /> • GROUNDWATER POTENTIOMETRIC ELEVATIONS <br /> Jackpot Food Mart <br /> 14000 East Highway 88 <br /> Lockeford,California <br /> WELL DATE TOP OF CASING DEPTH TO DEPTH TO GROUNDWATER ELEVATION CGWE <br /> ID SAMPLED ELEVATION(1) PRODUCT WATER ELEVATION CHANGE <br /> FEE FEE FEE FEE FEET FEET <br /> 07 19 96 10051 NP 6770 32 al <br /> 12/19/96 NP 6690 3361 080 <br /> 02126/97 HP 7720 2331 1030 <br /> 04/16/97 NP 7700 2351 020 <br /> 07114/97 NP 7649 2402 051 <br /> 10113/97 NP 7646 2405 003 <br /> 01/27/98 NP 7696 2355 050 <br /> 04/27/98 NP 76 13 2438 083 <br /> 08113198 NP 6659 3392 954 <br /> 10/26198 NP 7505 2546 846 <br /> 01/27199 NP 7542 2509 -037 <br /> 04/26199 NP 7571 2480 -029 <br /> 07114199 NP 7586 2465 -015 <br /> 11/24199 NP 7679 2372 -093 <br /> 02/17100 NP 7689 2362 -010 <br /> 06101100 NP 7636 2415 053 <br /> 08/18100 NP 7687 2364 -051 <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 z SgP)where <br /> Cge=Corrected groundwater elevation <br /> Oge =Observed groundwater elevation <br /> PT = Product Thickness <br /> SgP = Estimated specific gravity of free phase gasoline=assumed specific gravity <br /> Initial survey conducted on 1119/95 for monitor wells MW-I through MW-4 with an <br /> arbitrary datum of 100 feet assumed at the southeast corner of the underground storage <br /> tank concrete pad Monitor wells MW-5 through MW-I0 were surveyed on 07/19/96 <br /> the same southeast corner of tank pad <br /> T7ineU-od91OrdTab1e1 As <br /> 4 <br />