Laserfiche WebLink
Table 3 <br /> Historical Groundwater Elevation Data <br /> Time Oil Company-Property 04-049 <br /> 14000 East Highway 88 <br /> Lockeford, California <br /> WELL DATE TOP OF CASING PRODUCT DEPTH TO GROUNDWATER ELEVATION <br /> ID SAMPLED ELEVATION ' THICKNESS WATER ELEVATION CHANGE CGWE` <br /> (FEET) (FEET) (FEET) (FEET) (FEET) (FEET) <br /> MW-9 07/19/96 9963 NP 7751 2212 <br /> 12/19/96 NP 7662 2301 089 <br /> 02/26/97 NP 7587 2376 075 <br /> 04/16/97 NP 7520 2443 067 <br /> 07/14/97 NP 7443 2520 077 <br /> 10/13/97 NP 7484 2479 -041 <br /> 01/27/98 NP 7521 2442 -037 <br /> 04/27/98 NP 7442 2521 079 <br /> 08/13/98 NP 7350 2613 092 <br /> 10/26/98 NP 7300 2663 050 <br /> 01/27/99 NP 7346 2617 -046 <br /> 04/26/99 NP 7340 2623 006 <br /> 07/14/99 NP 7359 2604 -019 <br /> 11/24/99 NP 7448 2515 -089 <br /> 02/17/00 NP 7461 2502 -013 <br /> 06/01/00 NP 7420 2543 041 <br /> 08/18/00 NP 7468 2495 -048 <br /> 11/03/00 NP 6915 3048 553 <br /> 01/11/01 NP 7344 2619 -429 <br /> 04/27/01 NP 7160 2803 184 <br /> 08/20/01 NP 7535 2428 -375 <br /> 11/28/01 NP 7686 2277 -1 51 <br /> 03/04/02 NP 7678 2285 008 <br /> 05/16/02 102 05 NP 7681 2524 239 <br /> I 07/25/02 NP 77 12 2493 -031 <br /> 11/12/02 NP 7755 -7755 -10248 <br /> 01/16/03 NP 7746 -7746 009 <br /> 05/15/03 NP 7746 -7746 000 <br /> 07/24/03 NP 7767 -7767 -021 <br /> 10/20/03 NP 7791 -7791 -024 <br /> 01/05/04 NP 7801 -7801 -010 <br /> 04/01/04 NP 7758 -7758 043 <br /> 07/23/04 NP 7786 -7786 -028 <br /> 10/04/04 NP 1 7808 1 -7808 1 -022 <br /> Notes <br /> NP = Not Present <br /> CGWE = Corrected Ground Water Elevation <br /> PT = Product Thickness <br /> Initial survey conducted on 1119195 for monitor wells MW-1 through MW-4 with an arbitrary datum of 100 feet <br /> assumed at the southeast corner of the underground storage tank concrete pad Monitor wells MW-5 through <br /> MW-10 were surveyed on 07/19/96 using the same arbitrary datum <br /> ` Groundwater elevations corrected where PT was observed, using the equation Oge+(PT x SgP) <br /> Cge =Oge+(PT x SgP)where <br /> Cge =Corrected groundwater elevation <br /> Oge =Observed groundwater elevation <br /> SgP = Estimated specific gravity of free phase gasoline=assumed specific gravity <br /> Monitor wells were resurveyed by Morrow Surveying on May 14 2002 <br /> " Well considered dry <br /> 1\Time 011\I-ockeford\TableslSCM&Asmt This As Page 9 of 10 <br />