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TABLE 1-SUMMARY OF RESULT S OF GROUNDWATER SAMPLING <br /> BP OIL COMPANY SERVICE STATION NO.11219 <br /> 1403 COUNTRY CLUB BOULEVARD,STOCKTON,CALIFORNIA <br /> AUSYO PROJECT NO.10-037 <br /> WELL DATE OF CASING DEPTH TO PRODUCT GROUND WATER TPH-G B T E X LAB <br /> ID SAMPLING! ELEVATION{a) WATER THICKNESS ELEVATION (b) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> MONITORING <br /> MW-6 005191 5.80 29.82 0.00 -24.02 NO ND NO NO NO PRE <br /> MW-6 08/15/91 5.80 -- -- ---- --. _- .._ -- - PRE <br /> MW-6 1Zb9KJ1 5.80 30.42 0.00 -24.62 ND ND NO NO NO PRE <br /> MW-6 0309192 5.80 29.53 0.00 -23.73 NO ND NO NO NO PRE <br /> MW-6 06/19/92 5.80 29.24 0.00 -23.44 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ANA <br /> MW-6 09118192 5.80 31.03 0.00 -25.23 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ANA <br /> MW-7 08/05191 6.21 30.82 0.00 -24.61 70 19 NO NO NO PRE <br /> MW-7 08/15191 6.21 -- --- ---- ---- ---- ---- ---- PRE <br /> MW-7 12!)9191 6.21 31.36 0.00 -25.15 NO 19 NO 1.2 NO PRE <br /> MW-7 03109/92 6.21 30.15 0.00 -23.94 NO ND NO NO NO PRE <br /> MW-7 06/19152 6.21 30.19 0.00 -23.98 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ANA <br /> MW-7 09/18152 6.21 31.98 0.00 •25.77 90 ND<0.5 ND<0.5 ND<0 5 NO<0.5 ANA <br /> OC-2 (e) 09/18192 ---- ---- ---- ---- ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ANA <br /> ABBREVIATIONS: NOTES' <br /> TPH-G Total Petroleum Hydrocarbons as Gasoline (a) Casing elevations were surveyed on August 2D,1991 <br /> B Benzene to the nearest 0.01 Foot relative to Mean Sea Level. <br /> T Toluene <br /> E Ethylbenzene (b) In feet relative to Mean Sea Level. <br /> X Total Xylenes <br /> ND Not detected above reported detection limits (c) MW-2 destroyed on 02105191. <br /> ANA Anametrix,Inc. <br /> PRE Precision Analytical Laboratory (d) Blind duplicate of MW-5. <br /> (ppb) Parts per Billion <br /> Not analyzed/not available (e) Travel blank <br /> 20-Oct-92 PAGE 2 <br /> I <br />