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Table 1 <br /> Groundwater Monrtoring and Analytical Data <br /> BP Oil#11194 <br /> Ak 2375 Tracy Blvd,Tracy,California <br /> Well Date Well Depth to Product Groundwater TPHg B T E X MtBE DO <br /> Number Sampled Elevation Water Thickness Elevation (µ91L) (µ91L) (µ91L) (1191L) (991L) (PWL) (ffKA) <br /> (Feet) (Feet) (Feet) (Feet) <br /> (Coned) 10!26!2000 2668 408 2260 - --- --- -- <br /> 1117l2001 2668 541 2127 -- -- -- <br /> 4/1212001 2668 502 2166 --- -- --- --- --- - <br /> 5/23/2001 2668 486 2182 710 ND<0 5 ND<0 5 151 ND<1 5 840 --- <br /> 7/31/2001 2668 463 --- 2205 140 ND<0 5 144 ND<O 5 176 113 --- <br /> 10/30/2001 26 68 478 --- 2190 ND<250 ND<2 5 ND<2 5 ND<2 5 ND<7 5 ND<2 5 --- <br /> 1/29/2002 2668 456 --- 2212 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<i 0 431 --- <br /> 4/30/2002 2668 471 --- 2197 ND<250 ND<2 5 ND<2 5 ND<2 5 ND<S 0 763 --- <br /> 7/30/2002 P 2668 472 --- 2196 ND<500 ND<5 ND<5 ND<5 ND<10 465 --- <br /> 10/31/2002 P 26 6B 440 2228 ND<50 ND<0 5 ND<O S ND<0 5 ND<0 5 19 --- <br /> 1/30J2003 <br /> -- <br /> 1/3012003 P 2668 466 2202 ND<50 ND<0 5 ND<0 5 ND<O 5 ND<O 5 41 --- <br /> 4/30/2003 P 2668 476 --- 2192 <50 <0 5 <0 5 <0 5 <0 5 23 --- <br /> 7/30/2003 P 2668 520 --- 2148 260 R 16 <26 <25 <25 16 --- <br /> --- -__ NU<bU NL)<O < < < --- <br /> AMW-6 3410/1993 - --- --- ND<50 ND<0 5 ND<O 5 ND<0 5 ND<O 5 --- <br /> 611611993 --- --- ND<50 ND<0 5 ND<O 5 ND<0 5 ND<0 5 --- <br /> 10/22/1993 --- ND<50 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND-<5 0 <br /> 1/24/1994 ND<50 ND<0 5 ND<O 5 ND<O 5 ND<0 5 - <br /> 6/7/1994 -- ND<50 ND<0 5 ND<0 5 ND<O 5 ND<0 5 - - <br /> 9/13/1994 --- - ND<50 ND<0 5 ND<0 5 ND<O 5 ND<O 5 - --- <br /> 1/10/1995 --- - ND<50 ND<O 5 ND<0 5 ND<O 5 ND<1 --- <br /> 3l23/1995 --- — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 --- <br /> 10/411995 --- --- --- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 ND<5 0 --- <br /> 1/4/1996 --- --- ND<50 ND<O 50 ND<0 50 ND<O 50 ND<1 0 ND<5 0 --- <br /> 312-911996 <br /> -- <br /> 3/2911996 ND<50 ND<O 5 ND<1 ND<1 ND<1 ND<10 --- <br /> 7/1/1996 - ND<50 ND<0 S ND<1 ND<1 ND<1 ND<10 --- <br /> brevrations <br /> TPHg Total petroleum hydrocarbons as gasoline(reported as gasoline range organics) <br /> B Benzene <br /> T Toluene <br /> E Ethylbenzene <br /> X Total xylenes <br /> MtBE Methyl tort-butyl ether <br /> DO Dissolved oxygen <br /> µyl•- Micrograms per liter <br /> Not analyzed/appltcabletmeasurable <br /> mg/l_ Milligrams per liter <br /> Data Qualifier Definitions <br /> U The analyte was analyzed for,but was not detected above the sample reporting limit <br /> J The analyte was positively identified the associated numerical value is the approximate concentration of the analyte in the sample <br /> N The analysis indicates the presence of an analyte for which there is presumptive evidence to make a"tentative identification" <br /> NJ The analysis indicates the presence of an analyte that has been tentatively identified"and the associated numerical value represents its approximate <br /> concentration <br /> UJ The analyte was not detected above the reported sample reporting limit However,the reported reporting limit is approximate and may or may not <br /> represent the actual limit of quantitation necessary to accurately and precisely measure the analyte in the sample <br /> R The sample results are rejected due to serious deficiencies in the ability to analyze the sample (i e,the presence or absence of the analyte cannot be <br /> verified)or the analyte identification has been rejected(i e,the presence of the analyte cannot be venfied) <br /> ND Not detected above reported detection limit <br /> is <br /> K 1W processlJ5 BP ARCO1111941Quarterlyl3 QTR 03/11194 GW MR 3003 Page l l of 11 <br />