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TABLE 1 <br /> HISTORICAL GROUNDWATER SOUNDING DATA <br />' Port of Stockton Former UST Site No 3,San Joaquin County <br /> Well Date Depth To Casing-Top Water Table Avg Flow Direction <br /> Number Sounded Water(Ft) Elevation(Ft) Elevation(Ft) &Gradient(Ft/Ft) <br />' From Casing <br /> 8/20102 1252 -3 3 <br /> 11/25/02 1262 -3 4 <br /> MW3-3 07/09/99 1039 874 -165 <br />' 10/22/99 1088 -214 <br /> 02/08/00 1023 -149 <br /> 05/17/00 929 -055 <br />' 09/14/00 1129 -255 <br /> 02/14/01 1135 -261 <br /> 5/17/01 1014 -140 <br /> 08/22/01 1205 -331 <br /> 11/19/01 1237 -3 63 <br /> 2/19/02 1030 -156 <br /> 5/16/02 1088 -214 <br /> 8/20/02 12 13 -339 <br /> 11/25/02 13 92*** NA <br /> *Started pumping on MW 3-1 while gauging MW 3-2 The water level in well MW 3-2 appears to have been <br /> depressed <br />' **After the sampling, well MW 3-2 was allowed to recharge and the depth of water was found to be 12 48 feet below <br /> the casing elevation <br /> ***An apparent problem occurred while using the depth-to-water meter The measurement of 13 92 feet is suspect and <br /> therefore the water table elevation was not calculated Pumping was started before there was an opportunity to correct <br /> any problems with the meter <br /> Well sampling and monitoring logs are included as Appendix B <br /> Groundwater Analyses <br /> Groundwater samples collected from the monitoring wells on November 25, 2002 and analyzed for <br /> TPHg by EPA Modified Method 8015, aromatics benzene, toluene, ethylbenzene, and total xylenes <br />' (BTEX) constituents by EPA Method 8260 <br /> The results of all current and previous groundwater sampling analyses are summarized in Table 2 <br />' UM SAO gtr13 dac 6 <br /> 1 <br />