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-7 07/19/96 9898 NP 6864 3034 <br /> 12/19/96 NP 6869 3029 -005 <br /> 02/26/97 NP 6765 31 33 104 <br /> 04/16/97 NP 6617 3281 148 <br /> 07/14/97 NP 6526 3372 091 <br /> 10/13/97 NP 6640 3258 -1 14 <br /> 01/27/98 NP 6788 31 10 -148 <br /> 04/27/98 NP 6650 3248 138 <br /> 08/13/98 NP 6432 3466 218 <br /> 10/26/98 NP 64 14 3484 018 <br /> 01/27/99 NP 6493 3405 -079 <br /> 04/26/99 NP 6496 3402 -003 <br /> 07/14/99 NP 6521 3377 -025 <br /> 11/24/99 NP 6680 3218 -159 <br /> 02/17/00 NP 6707 3191 -027 <br /> 06/01/00 NP 6638 3260 069 <br /> 08/18/00 NP 6675 3223 -037 <br /> 11/03/00 NP 6707 3191 -032 <br /> 01/11/01 NP 6776 31 22 -069 <br /> 04/27/01 NP 6777 3121 -001 <br /> 08/20/01 NP 6890 3008 -1 13 <br /> 11/28/01 NP 7011 2887 -121 <br /> 03/04/02 NP 7023 2875 -012 <br /> 05/16/02 101 27NP 7074 3053 1 78 <br /> 07/25/02 NP 71 00 3027 -026 <br /> 11/12/02 NP 7168 -7168 -10195 <br /> 01/18/03 NP 7094 -7094 074 <br /> 05/15/03 NP 71 20 -71 20 -026 <br /> 07/24/03 NP 7167 -71 67 -047 <br /> 10/20/03 NP 71 98 -71 98 -031 <br /> 01/05/04 NP 71 68 -71 68 030 <br /> 04/01/04 NP 71 02 -71 02 066 <br /> 07/23/04 NP 71 74 -71 74 -072 <br /> 10/04/04 1 NP 7213 1 -7213 -039 <br /> Notes <br /> NP = Not Present <br /> CGWE = Corrected Ground Water Elevation <br /> PT = Product Thickness <br /> ' Initial survey conducted on 1/19195 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 Oil\Lockeford\TableslSCM&Asmt This As Page 7 of 10 <br />