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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 />IR)
<br />SPH
<br />(ft)
<br />GWE
<br />(ft-MSL)
<br />TPH-
<br />DRO
<br />04 (11
<br />TPH-
<br />GRO
<br />(P9/1-)
<br />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 />IBA
<br />(pg/L)
<br />TAME
<br />(pg/L)
<br />1,2-
<br />DCA
<br />44111-)
<br />EDB
<br />(pg/L)
<br />D.O.
<br />(mg/L) Comments
<br />MW-1 05/22/03 7.83 0.00 30.000 2,100 1,200 860 3,300 37 -- -- TOC altered: unable to determine GWE
<br />MW-1 08/21/03 1915 0.00 27,000 2,600 1,000 1,100 3,500 35 <2 <2 1.2 TOC altered; unable to determine GWE
<br />MW-1 11/24/03 -- 9.40 0.00 35,000 3,000 1,000 1,200 3,700 47 <2 <2 0.9 TOC altered; unable to determine GWE
<br />MW-1 02/16/04 0.85 7.87 0.00 -7.02 26,000 2,200 790 1,000 2,700 31 - 1.3
<br />MW-1 05/17/04 0.85 8.70 0.00 -7.85 16,000 1,300 290 570 870 25 - 0.8
<br />MW-1 08/23/04 0.85 10.78 0.00 -9.93 - 32,000 2,700 710 1,000 2,800 34 1.5
<br />MW-1 11/15/04 INA 0.85 -- - -- -- - -- Locked fence
<br />MW-1 02/14/05 0.85 9.90 0.00 -9.05 23,000 2,200 660 950 2,800 24 - 1.8
<br />MW-1 04/07/05 - -- - -- -- - -- - -- Well destroyed
<br />MW-1A 11/10/06 351 10.14 0.00 -6.53 - - - -- -- - -- Well development performed
<br />MW-1A 11/13/06 3.61 10.23 0.00 -6.62 17,000 99 22 360 920 4 - 2.1
<br />MW-1A 02/12/07 3.61 8.63 0.00 -5.02 - 11,000 840 34 90 130 8 1.2
<br />MW-1A 05/14/07 3.61 8.71 0.00 -5.10 5,000 740 24 29 54 10 - 0.8
<br />MW-1A 08/13/07 161 10.69 0.00 -7.08 - 7,500 550 18 83 42 7 - 1.1
<br />MW-1A 11/12/07 3.61 11.11 0.00 -7.50 - 11,000 930 37 100 68 9 - 0.9
<br />MW-1A 02/11/08 3.61 7.22 0.00 -3.81 - 8,700 610 84 140 220 5 - 1.2
<br />MW-1A 05/12/08 3.61 8.51 0.00 -4.90 7,600 570 50 26 120 5 2.1
<br />MW-1A 08/11/08 3.61 10.67 0.00 -7.06 - 8,700 920 65 24- 170 8 - -- - - 1.5
<br />MW-1A 11/10/08 351 10.94 0.00 -7.33 10,000 910 54 23 170 <13 - <13 <13 1.0
<br />MW-1A 02/09/09 3.61 9.68 0.00 -6.07 - 230 7 1 <0.5 3 0.6 <0.5 <0.5 1.2
<br />MW-1A 05/11/09 3.61 9.02 0.00 -5.41 3,700 130 16 10 61 2 - <0.5 <0.5 - 0.7
<br />MW-1A 11/23/09 3.61 11.23 0.00 -7.62 1,700 190 1 0.7 <0.5 3 <0.5 <0.5 - 1.1
<br />MW-1A 05/17/10 3.61 7.81 0.00 -4.20 - 2,700 120 13 2 7 2 <0.5 <0.5 - 1.3
<br />MW-1A 11/03/10 3.63 10.88 0.00 -7.25 8,700 660 42 14 50 3 -- -- - 1.4
<br />MW-1A 01/05/11 3.63 7.71 0.00 -4.08 - 4,500 410 25 8 34 3 - 1.4
<br />MW-1A 08/02/11 3.63 9.12 0.00 -5.49 4,400 230 13 4 14 11 - - - 1.1
<br />MW-1A 02/03/12 3.63 9.44 0.00 -5.81 8,300 900 32 6 38 13 - - 1.3
<br />MW-1A 08/09/12 3.63 10.57 0.00 -6.94 - 7,300 720 25 6 20 10 -- - 0.9
<br />MW-1A 03/14/13 3.63 8.26 0.00 -4.63 - 1,800 37 3 0.8 8 7 - - - 1.3
<br />MW-1A 09/25/13 3.63 11.00 0.00 -7.37 - 8,400 1,200 87 67 75 7 - -- - 1.3
<br />MW-1A 03/18/14 3.63 8.97 0.00 -5.34 6,400 340 45 36 52 3 - 1.3
<br />MW-1A 09/29/14 3.63 12.17 0.00 -8.54 2,300 '280 20 4 18 2 - 1.4
<br />MW-1A 03/25/15 3.63 9.25 0.00 -5.62 - 1,400 130 2 1 3 0.9 - -- - - 1.2
<br />MW-1A 139/27/15 3.63 12.82 0.00 -9.19 - 340 8 <0.5 <0.5 <0.5 <2 <2 <2 -- 1.4
<br />MW-1A 03/28/16 3.63 8.31 0.00 -4.68 270 4 <0.5 0.9 0.9 <2 <2 <2 1.0
<br />MW-1A 09/26/16 3.63 12.32 0.00 -8.69 1,400 98 0.5 0.8 3 <2 <2 <2 1.5
<br />MW-1A 03/27/17 3.63 5.92 0.00 -2.29 - 580 17 0.5 <0.5 <0.5 <2 <2 <2 1.4
<br />MW-1A 09126/17 3.63 10.42 0.00 -6.79 - - - - - - - -- - - -- 1.0
<br />MW-1A 09/26/17 3.63 - - - - 1,900 260 2 <1 1 1 - <2 <2 - - Resampled due to broken samples
<br />MW-113 11/10/06 3.74 10.69 0.00 -6.95 - - -- - -- -- - - -- Well development performed
<br />MW-1B 11/13/05 3.74 10.54 0.00 -6.80 14,000 3,800 50 22 56 <5 - - 1.6
<br />MW-1B 02/12/07 3.74 8.84 0.00 -5.10 9,700 2,900 40 9 29 <5 - -- - 1.3
<br />MW-1B 05/14/07 3.74 9.00 0.00 -5.26 - 2,809 1,100 9 2 9 <2 - - - 1.1
<br />MW-1B 08/13/07 3.74 11.11 0.00 -7.37 - 7,100 2,300 26 4 19 <1 1.4
<br />MW-113 11/12/07 3.74 11.42 0.00 -7.68 5,400 1,500 18 4 16 <3 1.2
<br />MW-1B 02/11/08 3.74 7.37 0.00 -3.63 - 8,100 3,600 37 8 29 <3 - - 1.4
<br />MW-1B 05/12/08 3.74 8.82 0.00 -5.08 - 4,400 1,500 14 4 13 <2 - 2.3
<br />MW-1B 08/11/08 3.74 11.13 0.00 -7.39 6,400 1,900 21 2 14 <2 -- -- -- -- 1.2
<br />MW-1B 11/10/08 3.74 11.33 0.00 -7,59 3,200 680 <10 <10 <10 <10 <10 <10 1.1
<br />MW-1B 02/09/09 3.74 10.03 0.00 -6.29 370 4 <0.5 <0.5 1 1 <0.5 <0.5 - 1.1
<br />MW-1B 05/11/09 3.74 9.24 0.00 -5.50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 - <0.5 <0.5 09 ._
<br />94054 GW Tables.xls
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