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TABLE 2
<br />Historical Groundwater Monitoring & Analytical Data
<br />Former Chevron Service Station No. 94054
<br />2103 Country Club Boulevard, Stockton, California
<br />Well No. Date Notes TOC
<br />(ft-MSL)
<br />Depth
<br />to
<br />Water
<br />(ft)
<br />SPH
<br />(ft)
<br />GWE
<br />(ft-MSL)
<br />TPH-
<br />DRO
<br />TPH-
<br />GRO B
<br />(pg/L)
<br />T
<br />(pg/L)
<br />E
<br />(pg/L)
<br />X
<br />(pg/L)
<br />MTBE
<br />(pg/L)
<br />TBA
<br />(pg/L)
<br />TAME
<br />(pg/L)
<br />1,2-
<br />DCA EDB
<br />(pg/L)
<br />D.O.
<br />(mg/L) Comments
<br />MW-6 05/16/96 1 29 10 27 000 -8.98 18.000 2,300 800.0 740 1800.0
<br />MW-6 08/22/96 1.29 12.90 0.00 -11.61 14,000 2.300 550.0 640 1700.0
<br />MW-6 11/05/96 129 13.74 0.00 -12.45 22,000 2,400 710.0 940 2100.0 170
<br />MW-6 02/25/97 1.29 8.36 0.00 -7.07 24,000 3,000 1000.0 1100 2300.0 1000
<br />MW-6 05/20/97 1.29 9.24 0.00 -7.95 19,000 2,200 840 680 1600.0 <250
<br />MW-6 08/26/97 1.29 11.65 aoo -10.36 - 19,000 2,700 770 740 1500.0 160 -- -
<br />MW-6 11/05/97 1.29 12.42 0.00 -11.13 18.000 2,100 500 710 1100.0 710 <1,000 <20
<br />MW-6 02/10/98 129 4.27 0.00 -2.98 6,700 1,500 140 300 420.0 <25 -- -
<br />MW-6 05/20/98 0.79 5.76 0.00 -4.97 9,100 1,300 140 310 320 <500 <1,250 <25
<br />MW-6 08/12/98 0.79 7.90 0.00 -7.11 4,400 1,200 130 210 240 <50 - --
<br />MW-6 12/01/98 0.79 8.87 0.00 -8.08 2,600 830 46 110 100 200 -
<br />MW-6 02/02/99 0.79 7.34 0.00 -6.55 120 31 0.63 0.82 2.1 5.4 - -
<br />MW-6 05/20/99 0.79 7.02 0.00 -6.23 3,600 1,300 140 190 470 19 - -
<br />MW-6 09/01/99 0.79 9.58 0.00 -8.79 - 15,300 3,020 439 483 1,060 <500 -
<br />MW-6 .12/07/99 0.79 10.35 0.00 -9.56 24,400 3,990 583 963 1,830 <500 -
<br />MW-6 02/15/00 0.79 5.12 0.00 -4.33 18,100 4,540 508 863 1,360 1,240 -
<br />MW-6 05/31/00 0.79 6.92 0.00 -6.13 - 37,002 700 110 170 270 190 - -
<br />MW-6 08/25/00 0.79 9.14 0.00 -8.35 60,002 1,200 140 220 300 260 -
<br />MW-6 11/21/00 0.79 9.19 0.00 -8.40 - - -- -- -- -- -
<br />MW-6 12/02/00 0.79 10.07 0.00 -9.28 24,002 1,100 35 40 63 340
<br />MW-6 02/14/01 0.79 8.97 0.00 -8.18 31,303 1,170 78.3 153 207 <100 -
<br />MW-6 05/16/01 0.79 7.28 0.00 -6.49 22,602 740 15.4 93.1 148 142 -
<br />MW-6 08/21/01 0.79 10.14 0.00 -9.35 1,200 380 10 24 36 87 -
<br />MW-6 11/20/01 0.79 11.11 0.00 -10.32 2,000 330 6 15 16 80 - -
<br />MW-6 02/22/02 0.79 7.52 0.00 -6.73 1,600 320 3.3 4.6 4.9 64 - - -
<br />MW-6 05/24/02 0.79 7.80 0.00 -7.01 4,800 1,000 53 81 190 240 - -
<br />MW-6 08/28/02 0.79 10.52 000 -9.73 2,100 370 8 11 14 130 - -
<br />MW-6 11/14/02 0.68 11.22 0.00 -10.54 3,700 530 33 130 67 91 - -
<br />MW-6 02/20/03 0.68 8.16 000 -7.48 5.300 1,500 27 12 46 70 - - -
<br />MW-6 05/22/03 0.68 8.15 0.00 -7.47 4,600 1,000 35 17 77 100 - -
<br />MW-6 08/21/03 0.68 10.45 0.00 -9.77 4,000 1,200 34 18 70 64 - <2 <2
<br />MW-6 11/24/03 0.68 10.82 0.00 -10.14 6,200 1,400 54 84 69 19 <2 <2 -
<br />MW-6 02/16/04 0.68 8.08 0.00 -7.40 12,000 2,100 71 110 100 10 - - -
<br />MW-6 05/17/04 0.68 8.50 0.00 -7.82 11,000 2,100 180 140 270 28 - - -
<br />MW-6 08/23/04 0.68 10.73 0.00 -10.05 8,900 1,300 74 110 140 8 -
<br />MW-6 11/15/04 0.68 10.36 0.00 -9.68 8,500 1,400 67 130 100 6 - -
<br />MW-6 02/14/05 068 9.76 0.00 -9.08 5,200 990 35 17 55 15
<br />MW-6 05/16/05 068 785 0.00 -7.17 11,000 2,600 270 230 380 40 - -
<br />MW-6 08/15/05 0.68 968 0.00 -9.00 7,100 1,200 65 66 210 26 - -
<br />MW-6 11/14/05 0.68 10.68 0.00 -10.00 6,100 1,300 44 31 140 22 - - - -
<br />MW-6 02/13/06 0.68 7.33 0.00 -6.65 8,300 1,200 49 29 86 8 - - -
<br />MW-6 05/15/06 0.68 6.48 0.00 -5.80 1,900 240 82 49 110 7 - -
<br />MW-6 08/14/06 0.68 8.92 0.00 -8.24 1,400 220 6 10 8 6 - 1,9
<br />MW-6 11/13/06 0.68 9.74 0.00 -9.06 2,800 510 16 8 17 23 - - - 1.7
<br />MW-6 02/12/07 0.68 8.11 0.00 -7.43 5,100 1,000 21 5 30 33 - - 0.9
<br />MW-6 05/14/07 0.68 8.35 0.00 -7.67 4,300 1,000 25 12 28 37 2.0
<br />MW-6 08/13/07 0.68 10.31 aoo -9.63 - 6,000 1,100 34 26 40 40 - 1.8
<br />MW-6 11/12/07 0.68 10.70 GOO -10.02 - 8,600 1,500 44 35 54 24 - 1.5
<br />MW-6 02/11/08 0.68 6.90 0.00 -6.22 3,500 560 18 5 23 12 1.2
<br />MW-6 05/12/08 0.68 8.18 000 -7.50 3,000 630 20 7 23 19 - - 2.2
<br />MW-6 08/11/08 0.68 10.27 0.00 -9.59 4,900 770 27 22 31 20 - - 1.7
<br />94054 GW Tables.xls
<br /> Page 14 of 29
<br /> Stantec
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