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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
<br />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
<br />e
<br />(pg/L)
<br />T
<br />(pg/L)
<br />E
<br />(pg/L) (p
<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
<br />(pg/L)
<br />EDB
<br />(pg/L)
<br />D.O.
<br />(mg/L)
<br />Comments
<br />Mb'/-4 02/15/00 155 562 000 -407 12,600 1,040 135 579 1 180 502
<br />MW-4 05/31/00 INA 1.55 - --
<br />MW-4 08/25/00 INA 1.55 -
<br />MW-4 11/21/00 INA 1.55 - - - - - - -
<br />MW-4 12/02/00 INA 1.55 - - - - - - - - -
<br />MW-4 02/14/01 1.55 9.54 0.00 -7.99 137,002 3,630 126 106 129 1,220 -
<br />MW-4 05/16/01 1.55 8.07 0.00 -6.52 131,002 4,293 171 369 697 <1.0 -
<br />MW-4 08/21/01 1.55 11.02 0.00 -9.47 23,000 3,700 700 1,400 3,700 2.1 -
<br />MW-4 11/20/01 1.55 11.87 0.00 -10.32 30,000 2,803 620 1,200 3,300 <100 - - 1.4
<br />MW-4 02/22/02 1.55 8.23 0.00 -6.68 20,000 2,300 350 790 1,600 <100 - - - - 1.1
<br />MW-4 05/24/02 1.55 8.49 0.00 -6.94 24,000 2,303 310 730 1,600 <100 - - - - 1.5
<br />MW-4 08/28/02 1.55 11.27 0.00 -9.72 34,000 2,300 510 1.100 2,900 <2 - - - 1.9
<br />MW-4 11/14/02 1.43 12.25 0.00 -10.82 14,003 3,800 95 100 75 <2.0 ' - 14.3
<br />MW-4 02/20/03 1.43 8.68 0.00 -7.25 19,000 1,300 310 730 1,900 <2 - 3.5
<br />MW-4 05/22/03 1.43 8.85 0.00 -7.42 18,000 770 270 630 1,400 <2 -- -
<br />MW-4 08/21/03 1.43 10.29 090 -8.86 19,000 730 290 980 2,300 <2 - <2 <2 26
<br />MW-4 11/24/03 - 10.15 0.00 - 21,000 680 310 1,000 2,100 <2 - <2 <2 2 1 IOC altered, unable to determine GWE
<br />MW-4 02/16/04 1.11 8.35 0.00 -7.24 26,000 620 290 950 2,000 -- <2 -2.6
<br />MW-4 05/17/04 1.11 9.00 0.00 -7.89 11,003 450 190 560 960 <2 - 2.2
<br />MW-4 08/23/04 1.11 11.29 0.00 -10.18 - 16,000 360 160 590 1,100 <2 - 1 8
<br />MW-4 11/15/04 INA 1.11 - - - - - - -- .... - - - Locked fence
<br />MW-4 02/14/05 1.11 10.31 0.00 -9.20 7,200 1,100 47 17 34 <2 - 2.4
<br />MW-4 05/16/05 1.11 8.11 0.00 -7.00 14,000 4,600 86 25 56 <5 - - 1.9
<br />MW-4 08/15/05 1.11 10.32 0.00 -9.21 - 11,000 1,200 47 190 320 <2 - - - 1.6
<br />MW-4 11/14/05 1.11 11.30 0.00 -10.19 - 5,900 420 47 260 310 <2 - - - - 1.8
<br />MW-4 02/13/06 1.11 7.78 0.00 -6.67 2,700 190 12 8 86 <2 - - - - 1.9
<br />MW-4 05/15/06 1.11 6.93 0.00 -5.82 14,000 3,400 71 20 43 <5 - - - - 1.5
<br />MW-4 08/14/06 1.11 9.54 0.00 -8.43 1,300 910 25 130 140 <2 - - - - 1.7
<br />MW-4 11/13/06 1.11 10.29 0.00 -9.18 - 4,100 310 6 56 9 <2 - - - - 0.9
<br />MW-4 02/12/07 1.11 8.61 0.00 -7.50 - 3,500 180 20 83 170 <0.5 - - - - 1.1
<br />MW-4 05/14/07 1.11 8.87 0.00 -7.76 9,600 500 63 450 370 <2 - - - - 1.9
<br />MW-4 08/13/07 1.11 10.91 0.00 -9.80 - 3,700 87 9 1 100 <0.5 - - - - 0.9
<br />MW-4 11/12/07 1.11 11.27 0.00 -10.16 7,900 230 53 240 340 <0.5 - - - - 1.0
<br />MW-4 02/11/08 1.11 7.32 0.00 -6.21 7,500 270 40 330 210 <2 - - - - 1.2
<br />MW-4 05/12/08 1.11 8.72 0.00 -7.61 6,300 460 39 240 70 <1 - - - - 0.9
<br />MW-4 08/11/08 1.11 10.91 0.00 -9.80 4,700 190 18 130 100 <2 - - - - -
<br />MW-4 11/10/08 3.70 11.11 0.00 -7.41 4,000 170 14 100 34 <0.5 - <0.5 <0.5 - 0.5
<br />MW-4 02/09/09 3.70 9.81 0.00 -6.11 7,000 240 42 310 180 <0.5 - <0.8 <0.5 - -
<br />MW-4 05/11/09 3.70 9.08 0.00 -5.38 6,800 240 33 210 68 <0.5 - <0.5 <0.5 - 0.3
<br />MW-4 11/23/09 3.70 11.43 0.00 -7.73 6,700 170 31 180 180 <0.5 - <0.5 <0.5 - 0.7
<br />MW-4 05/17/10 3.70 7.97 0.00 -4.27 8,300 330 37 270 93 <0.5 - <0.5 <0.5 - 1.5
<br />MW-4 11/03/10 3.65 10.95 0.00 -7.30 6,500 260 38 290 110 <1 - - - - 0.8
<br />MW-4 01/05/11 3.65 7.71 0.00 -4.06 5,900 270 33 250 120 <0.5 - - - 1.1
<br />MW-4 08/02/11 3.65 9.27 0.00 -5.62 2,900 350 12 59 20 <0.5 - - - - 0.9
<br />MW-4 02/03/12 3.65 9.58 0.00 -5.93 4,900 240 20 100 30 <0.5 - - - 12
<br />MW-4 08/09/12 3.65 10.71 0.00 -7.06 - 5,700 200 15 91 18 <5 -- - - 1.1
<br />MW-4 03/1 4/13 INA 3.65 - - - - - - -- - - -- - - -
<br />MW-4 09/25/13 3.65 11.17 0.00 -7.52 11,000 250 51 590 140 <0.5 - - - - 1.3
<br />MW-4 03/18/14 3.65 9.53 0.00 -5.88 9,500 210 47 510 94 <0.5 - - - 1.1
<br />MW-4 09/29/14 3.65 12.42 0.00 -8.77 7,900 220 40 440 82 <0.5 - - - 1.1
<br />MW-4 03/25/15 3.65 9.26 0.00 -5.61 6,800 140 29 350 64 <0.5 - - - 1.5
<br />94054 GW Tables.xls
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