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TABLE 2-SUMMARY OF RESULTS OF GROUNDWATER SAMPLING - <br /> FORMER BP SITE NO 11192 <br /> 1403 COUNTRY CLUB BOULEVARD <br /> STOCKTON,CALIFORNIA <br /> ALISTO PROJECT NO 10-037 <br /> WELL DATE OF CASING DEPTH TO GROUNDWATER TPH-G B T E X MTBE DO LAB <br /> ID SAMPLING/ ELEVATION (a) WATER ELEVATION (b) (ugA) (ugA) (ug/1) (ugA) (ugA) (ugA) (ppm) <br /> MONITORING (Feet) (Feet) (Feet) <br /> QC-2 (g) 4121195 --- --- <br /> --- ND<50 08 1 5 ND<O 50 ND<1 0 --- --- ATI <br /> OC 2 (g) 7119195 --- --- --- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 --- --- ATI <br /> OC 2 (g) 10/20/95 --- --- --- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 ND<5 0 --- ATI <br /> QC-2 (g) 4123196 --- --- --- ND<500 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<10 --- SPL <br /> OC 2 (g) 7112/96 --- --- --- ND<50 ND<O 5 ND<1 ND<1 ND<1 ND<10 --- SPL <br /> ABBREVIATIONS NOTES <br /> TPH G Total petroleum hydrocarbons as gasoline (a) Casing elevations surveyed to the nearest 0 01 toot <br /> B Benzene relative to mean sea level on August 20, 1991 <br /> T Toluene <br /> E Ethylbenzene (b) Groundwater elevations to feet relative to mean sea level <br /> X Total xylenes <br /> MTBE Methyl tort butyl ether (c) Well covered by landscaping <br /> DO Dissolved oxygen <br /> ugA Micrograms per liter (d) Blind duplicate <br /> ppm Parts per million <br /> ND Not detected above reported detection limit (e) Sample collected before purging <br /> -- Not applicable/measured/analyzed <br /> PRE Precision Analytical Laboratory (f) Well destroyed on February 5, 1991 <br /> ANA Anametnx, Inc <br /> PACE Pace, Inc (g) Travel blank <br /> ATE Analytical Technologies, Inc <br /> SPL Southern Petroleum Laboratories (h) Original sample bottles broken,resampled <br /> (1) MTBE not included in gasoline <br /> I <br /> Page 7 <br />