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TABLE 1 SUMMARY OF RESULTS OF GROUNDWATER SAMPLING <br /> BP OIL COMPANY SERVICE STATION NO 11194 <br /> 2375 TRACY BOULEVARD TRACY CALIFORNIA <br /> AUSTO PROJECT NO mom <br /> WELL DATE OF CASING DEPTH TO PRODUCT GROUNDWATER TPH�G B T E X MTBE DO LAB <br /> tD SAMPLING/ ELEVATION(a) WATER THICKNESS ELEVATION (b) (ug1A) (ugA) (ugA) (ug4) (1.194) (ug4) (ppm) <br /> MONITORING (Feet) (Feet) (Feet) (Feet) <br /> OC-2 (9) 12/08192 - - N0<50 ND O6 ND<05 ND<05 ND<O5 --- — ANA <br /> CIC-2 (g) 03/10193 - ND<50 NDN 5 NDA 5 NDN 5 NDN 5 — - PACE <br /> CC-2 (g) 06/16193 -- - — ND<50 NDN 5 NDA 5 NDA 5 NDA 5 — - PACE <br /> CC-2 (9) 1W2PA3 - - -- ND<50 ND<05 N0N5 ND<135 NDN5 - - PACE <br /> OC-2 (g) 01f24194 - - - — ND<50 NDN 5 NDN 5 NDN 5 ND<0 5 — PACE <br /> QC-2 (g) 06107/94 — — ND<50 NDA 5 NDA.6 NDA 5 NDN 5 - — PACE <br /> OC,2 (9) 09/13194 - - - ND<50 ND<05 NDA5 NDN5 NDN.5 - - PACE <br /> OC-2 (g) 01110/95 - - - ND<50 NDA 5 NDN 5 NDA 5 ND<1 — -- ATI <br /> 004 (g) =2M5 --- — — - ND<50 ND<O50 NDASo NDN 50 ND<10 — - ATI <br /> OG2 (9) 10/04/95 — - - — ND<5O ND<U50 NDN 50 ND<050 ND<l0 ND<50 — ATI <br /> 4G2 (9) 01/04/96 — -- — — ND<50 NDN 50 NDN 50 NDA 50 Nt7<1 0 ND<50 - ATI <br /> OC-2 (9) 03/29196 — -- - — ND<50 NDN 5 N0<1 ND<t ND-41 ND<10 — SPL <br /> OC-2 (g) 07/01/96 - - - NDc50 ND<05 ND<l ND-t Niki ND<10 - SPL <br /> ABBREVIATIONS NOTES <br /> TPH-G Total petroleum hydrorarbons as gasofrne (a)Ca"elevabons surveyed to the most souttmesterfy andlar bolt of the signal standard <br /> B Benzene at tie moll southerly retum of the southwest comer of the intersection of <br /> T Toluene Grant Lute Road and Tracy Boulevard(elevation 26 13 feet) <br /> E Etiiylbenzene <br /> X Total xylenes (h) Groundwater elevations adjusted assuming a specific gravity of 0 75 for free product <br /> MTBE Methyl tort butyl ether <br /> DO Dissolved oxygen (c) Blind duplicate <br /> ugl Micrograms per mer <br /> PPM Parts per million (d) Recovery wel not sampled <br /> - Not analyzedlapp5rabl0neasumble <br /> ND Not detected above reported detection ITM (a) Well deleted from sampling program <br /> SUP Superior Analytical Laboratories <br /> CHR Chromalab Inc (f) Well inaocesstble <br /> SEO Sequoia Anaky A <br /> ANA Anametex Inc (g)Travel blank <br /> PACE Pace Inc <br /> ATI Analytical Technologies Inc <br /> SPL Sailhem Pelrolerun Labotatones <br /> r�a�oamnasta�wm <br /> oe May 97 PAGE 8 <br />