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Tab <br /> and Analytical Results <br /> Groundwater Monitoring <br /> Chevron Service Station#9-4275 <br /> 2905 West Benjamin Holt Dave <br /> Vertical Measurements are in feet Stockton,California Analytical results are in parts per billion(ppb) <br /> Well Ground Depth <br /> DATE Head Water To Notes TPH- Benzene Toluene Ethyl- Xylenes MTBE <br /> Elev Elev Water Gasoline Benzene <br /> MW-2(cont) <br /> 06/01/95 341 -11 12 1453 5400 340 63 750 390 <br /> 09/11/95 341 -1299 1640 -- 13,000 440 61 800 670 <br /> 12/05/95 3 41 -1331 1672 -- 5600 200 <10 290 170 <br /> 03/18/96 341 -927 1268 -- 8500 350 <5 0 870 400 -- <br /> 06/18/96 3 41 -949 1290 -- 9400 1400 6 2 630 520 270 <br /> 09/24/96 3 41 -1131 1472 -- 15,000 250 <5 0 840 450 53 <br /> 12/04/96 3 41 -1091 1432 -- 13,000 220 <2 5 710 800 39 <br /> 02/25/97 341 -666 1007 -- 9100 330 50 700 680 220 <br /> 09/29/97 341 -1041 1382 5800 120 <2 5 470 170 28 <br /> 11/25/97 341 -1036 1377 - 4600 100 <25 330 130 <125 <br /> 03/26/98 341 -389 730 -- 7000 150 48 720 410 <12 <br /> 06/24/98 341 -577 9 18 - 16,000 460 <20 1400 1700 380 <br /> 09/10/98 341 -779 1120 -- 3100 60 13 140 38 <12 <br /> 12/17/98 3 41 -773 11 14 -- 1000 15 <1 0 42 30 10 <br /> 03/10/99 341 -590 931 -- 9700 220 <20 870 400 200 <br /> 06/22/99 341 -770 11 11 -- 9370 186 <1 0 891 683 505 <br /> 09/13/99 341 -9 03 1244 -- 1600 12 <2 5 31 33 32 <br /> 12/16/99 341 -8 99 1240 - 804 4 27 285 27 1 41 6 643 <br /> 03/01/00 341 -459 800 -- 1570 162 <1 0 33 6 2 362 <br /> 06/13/00 3 41 -6.37 978 -- 1,7702 473 <2 50 187 319 123 <br /> 9-4275 xls/#386845 4 As of 06/13/00 <br />