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s • s <br /> TABLE 1-SUMMARY OF RESULTS OF GROUNDWATER SAMPLING _ <br /> BP OIL COMPANY SERVICE STATION NO 11194 <br /> 2375 TRACY BOULEVARD TRACY CALIFORNIA <br /> ALISTO PROJECT NO 10-085 <br /> WELL DATE OF CASING DEPTH TO PRODUCT GROUNDWATER TPH-G B T E X MTBE DO LAB <br /> ID SAMPLING/ ELEVATION(a) WATER THICKNESS ELEVATION (b) (ug1A) (ugA) (ugA) (ugA) (ugA) (ugA) (Ppm) <br /> MONITORING (Feet) (Feet) (Feet) (Feet) <br /> QG-2 (g) 12/08!92 — -- — ND<50 NM 5 ND<O 5 ND<0 5 ND<O 5 — — AMA <br /> OC-2 (g) 03/10/93 — — ND<50 ND<0 5 ND<0 5 N[<05 ND<O 5 — PACE <br /> OC-2 (g) 06/16/93 — — — — ND<50 ND<0 5 ND<O 5 ND<0 5 ND<o 5 — PACE <br /> QC-2 (g) 10122!93 — --- — — ND<50 ND<05 ND<O5 ND<05 ND<O5 PACE <br /> OG-2 (g) 01/24/94 — — — ND<50 ND<O 5 ND<O 5 ND<0 5 ND<o 5 — PACE <br /> QC 2 (g) 06/07/94 — — — ND<50 ND<o 5 ND<0 5 ND<O 5 ND<O 5 — --- PACE <br /> OC-2 (9) 09/13/94 — --- — — ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 --- — PACE <br /> OC 2 (g) 01110/95 --- — — — ND<50 ND<O 5 ND<O 5 ND<o 5 ND<1 --- — ATI <br /> OC-2 (g) 03/23/95 — — ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 O — --- ATI <br /> QC-2 (g) 10/04/95 — — — N0<50 ND<O 50 ND<O 50 ND<o 50 ND<1 o ND<50 -- ATI <br /> QC-2 (g) 01!04196 — — — — ND<50 ND<O 50 ND<o 50 ND<0 50 ND<1 o ND<50 — ATI <br /> ABBREVIATIONS NOTES <br /> TPH-G Total petroleum hydrocarbons as gasoline (a)Casing elevations surveyed to the most southwesterly anchor bolt of the signal standard <br /> 0 Benzene at the most southerly return of the southwest comer of the intersection of <br /> T Toluene Grant Line Road and Tracy Boulevard(elevation 2613 feet) <br /> E Ethylbenzene <br /> X Total xylenes (b) Groundwater elevations adjusted assuming a specific gravity of 0 75 for free product <br /> MTBE Methyl tail butyl ether <br /> DO Dissolved oxygen (c) Blind duplicate <br /> ugA Micrograms per liter <br /> ppm Parts per million (d) Recovery wal not sampled <br /> Not analyzed/applicable/measurable <br /> ND Not detected above reported detection limit (a)Well deleted from sampling program <br /> SUP Superior Analytical Laboratories <br /> CHR Chromalab,Inc (f) Well inaccessible due to road constnxhon possibly destroyed <br /> SEQ Sequoia Analytical <br /> ANA Anametnx Inc (g)Travel blank. <br /> PACE Pace,Inc <br /> ATI Analytical Technologies,Inc <br /> 21 Mar 96 <br /> PAGE 8 <br />