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TABLE 2 GROUNDWATER MONITORING DATA FORMER MOBIL STATION 99CAS,75 EAST ALPINE AVENUE,STOCKTON,CALIFORNIA x
<br /> Casing Depth to Groundwater LPH Concentration(pg/L)
<br /> Well Elevation Water Elevation Thickness Ethyl- Total Oil and
<br /> Number Date (feet) (feet) (feet) (feet) Benzene Tolueneb benzene° Xylenes' TPH-g TPH-d Grease MTBEb PCBs° SVOCs
<br /> MW8 02/09/11 15.45 36.50 -21.05 0.00 <0.50 <0.50 <0.50 0.091 j <50 <50 n - <0.50 - --
<br /> DWI 02/23/09 16.99 39.48 -22.49 0.00 5,600 k 12,000 k 1,800 k 9,800 k 59,000 -- -- <50 -- --
<br /> DWI 04/29/09 16.99 39.35 -22.36 0.00 2,800 6,500 870 4,600 37,000 <50 -- <250 -- --
<br /> DWI 07/14/09 16.76 41.17 -24.41 0.00 1,200 2,500 470 2,400 14,000 <50 -- <50 -- --
<br /> DWI 1027/09 16.76 41.44 -24.68 0.00 990 1,100 360 1,500 8,000 57 m -- <25 -- --
<br /> DWI 0125/10 16.76 39.59 -22.83 0.00 640 590 260 1,000 6,400 73 m -- <12 -- --
<br /> DWI 04/07/10 16.76 37.65 -20.89 0.00 550 500 240 900 5,700 <50 -- 4.1 j -- --
<br /> DWI 08/09/10 1 16.76 37.59 -20.83 0.00 440 320 180 620 4,400 X50 -- <10 -- --
<br /> DWI 10/05/10 16.76 38.34 -21.58 0.00 510 300 180 590 5,900 73 m -- 4.5 j -- -- •
<br /> DWI 02/09/11 16.76 36.94 -20.18 0.00 350 730 100 480 4,200 <50 n - <10 - --
<br /> DW2 0223/09 16.76 37.47 -20.71 0.00 45 k 55 k 14 k 70 k 970 -- -- <2.0 -- --
<br /> DW2 0429/09 16.76 38.67 -21.91 0.00 1.9 1.3 0.24 j 2.7 51 <50 -- <0.50 -- --
<br /> DW2 07/14/09 16.01 40.51 -24.50 0.00 0.86 0.69 0.089 j 1.0 60 <50 -- <0.50 -- --
<br /> DW2 1027/09 1 16.01 40.75 -24.74 0.00 1.6 2.4 0.64 1.8 50 f <50 -- <0.50 -- --
<br /> DW2 0125/10 16.01 38.79 -22.78 0.00 <0.50 <0.50 0.090 1 0.42 j X50 <50 -- <0.50 -- --
<br /> DW2 04/07/10 16.01 36.95 -20.94 0.00 <0.50 <0.50 0.068 j 0.27 j <50 <50 - <0.50 -- --
<br /> DW2 08/09/10 1 16.01 36.86 -20.85 0.00 <0.50 <0.50 <0.50 0.092 j <50 <50 -- <0.50 -- --
<br /> DW2 10/05/10 1 16.01 37.59 -21.58 0.00 <0.50 <0.50 <0.50 0.099 j 62 m <50 -- <0.50 -- --
<br /> DW2 02/09/11 16.01 36.23 -20.22 0.00 <0.50 0.38 j <0.50 0.32 1 <50 <50 n -- <0.50 -- --
<br /> DW3 0223/09 16.01 39.85 -23.84 0.00 840 k 650 k 190 k 840 k 7,600 -- -- <25 -- --
<br /> DW3 04/29/09 16.01 39.60 -23.59 0.00 310 16 32 67 1,100 <50 -- 0.77 --
<br /> DW3 07/14/09 16.99 41.43 -24.44 0.00 260 13 21 32 500 <50 -- <5.0 -- --
<br /> DW3 1027/09 1 16.99 41.77 -24.78 0.00 650 19 48 29 820 <50 -- <5.0 -- --
<br /> DW3 0125/10 16.99 39.78 -22.79 0.00 460 11 28 10 670 m <50 -- <10 -- --
<br /> DW3 04/07/10 16.99 37.97 -20.98 0.00 510 10 35 7.2 j 830 m <50 -- <10 -- -- •
<br /> DW3 08/09/10 1 16.99 37.93 -20.94 0.00 590 12 49 8.3 j 880 m <50 -- <10 -- --
<br /> DW3 10/05/10 1 16.99 38.66 -21.67 0.00 570 15 44 13 1,200 m <50 -- <10 -- --
<br /> DW3 02/09/11 16.99 37.28 -20.29 0.00 780 72 71 58 1,800 m <50 n - <10 - -
<br /> DW4 07/14/09 15.98 41.30 -25.32 0.00 <0.50 <0.50 <0.50 <0.50 <50 <50 -- 0.81 -- --
<br /> DW4 1027/09 15.98 41.54 -25.56 0.00 <0.50 <0.50 <0.50 <0.50 <50 <50 -- <0.50 -- --
<br /> DW4 01/25/10 15.98 39.37 -23.39 0.00 <0.50 <0.50 <0.50 <0.50 <50 <50 -- <0.50 -- --
<br /> DW4 04/07/10 15.98 37.47 -21.49 0.00 <0.50 <0.50 <0.50 <0.50 <50 X50 -- <0.50 -- --
<br /> DW4 08/09/10 15.98 37.55 -21.57 0.00 <0.50 <0.50 <0.50 <0.50 <50 X50 -- <0.50 -- --
<br /> DW4 10/05/10 15.98 38.29 -22.31 0.00 <0.50 <0.50 <0.50 <0.50 48 j,m <50 -- <0.50 -- --
<br /> DW4 02/09/11 15.98 36.86 -20.88 0.00 <0.50 <0.50 <0.50 <0.50 <50 <.50 n - <0.50 - --
<br /> EXl 07/14/09 16.51 40.80 -24.29 0.00 34,000 65,000 3,000 19,000 170,000 500 - <1,200 -- --
<br /> EXI 10/27/09 16.51 41.20 -24.69 0.00 22,000 54,000 2,300 14,000 110,000 3,500 m -- <1,200 -- --
<br /> EXI 01/25/10 16.51 39.35 -22.84 0.00 18,000 54,000 2,400 16,000 120,000 m 400 m -- <1,200 -- --
<br /> EXI 04/07/10 16.51 37.47 -20.96 0.00 28,000 66,000 3,600 21,000 150,000 990 m -- <1,000 -- --
<br /> G>p jeua\FaxanMobiRSiw\9ACA5\Nblic\I QMR OW ubleend a1MA STabin 2-5,dmft mx@cmccurmlm PW4of5
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