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-2 01/19/95 10047 NP 7651 2396 <br /> 05/24/95 NP 7937 2110 -286 <br /> 10/04/95 NP 7782 2265 155 <br /> 12/19/95 NP 81 15 1932 -333 <br /> 02/28/96 NP 7879 2168 236 <br /> 05/23/96 NP 7829 2218 050 <br /> 07/19/96 NP 7797 2250 032 <br /> 12/19/96 NP 7806 2241 -009 <br /> 02/26/97 NP 7670 2377 136 <br /> 04/16/97 NP 7593 2454 077 <br /> 07/14/97 NP 7406 2641 187 <br /> 10/13/97 NP 7381 2666 025 <br /> 01/27/98 NP 7285 2762 096 <br /> 04/27/98 NP 7179 2868 106 <br /> 08/13/98 NP 6849 31 98 330 <br /> 10/26/98 NP 6752 3295 097 <br /> 01/27/99 NP 6786 3261 -034 <br /> 04/26/99 NP 6791 3256 -005 <br /> 07/14/99 NP 6805 3242 -014 <br /> 11/24/99 NP 6949 3098 -144 <br /> 02/17/00 NP 6976 3071 -027 <br /> 06/01/00 NP 6908 3139 068 <br /> 08/18/00 NP 6963 3084 -055 <br /> 11/03/00 NP 6956 3091 007 <br /> 01/11/01 NP 7059 2988 -1 03 <br /> 04/27/01 NP 7024 3023 035 <br /> 08/20/01 NP 7141 2906 -1 17 <br /> 11/28/01 NP 7283 2764 -142 <br /> 03/04/02 NP 7325 2722 -042 <br /> 05/16/02 102 74NP 7351 2923 201 <br /> 07/25/02 NP 7460 2814 -1 09 <br /> 11/12/02 NP 7529 -7529 -10343 <br /> 01/16/03 NP 7456 -7456 073 <br /> 05/15/03 NP 7495 -7495 -039 <br /> 07/24/03 NP 7583 -7583 -088 <br /> 10/20/03 NP 7562 -7562 021 <br /> 01/05/04 NP 7526 -7526 036 <br /> 04/01/04 NP 7446 -7446 080 <br /> 07/23/04 NP 7455 -7455 -009 <br /> 10/04/04 NP 1 7538 1 -7538 1 -083 <br /> Notes <br /> NP = Not Present <br /> CGWE = Corrected Ground Water Elevation <br /> PT = Product Thickness <br /> Initial survey conducted on 1/19/95 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 /> S9P = 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 /> \Time Od\Lockeford\Tables\SCM&Asmt Tbls As Page 2 of 10 <br />