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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 TOG
<br />(ft-MSL)
<br />Depth
<br />to
<br />Water
<br />(ft)
<br />SPH
<br />(ft)
<br />OWE
<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-7 09/28/15 3 18 12 43 000 -925 140 <0.5 <05 <05 <0.5 <2 <2 <2 , 3
<br />MW-7 03/28/16 3.18 7.89 0.00 -4.71 730 8 <0.5 <0.5 <0.5 2 <2 <2
<br />MW-7 09/26/16 3.18 11.89 0.00 -8.71 - <50 <0.5 <0.5 <0.5 <0.5 <2 <2 <2 14
<br />MW-7 03/27/17 3.18 5.35 0.00 -2.17 250 <0.5 <0.5 <0.5 <0.5 2 <2 <2 1 2
<br />MW-7 09/25/17 3.18 8.98 0.00 -8.80 - 51 1 <0.5 <0.5 <0.5 <2 <2 <2 1.4
<br />MW-8 05/26/95 2.23 1505 0.00 -12.82 - 16,000 1,200 120.0 880 750
<br />MW-8 08/25/95 2.23 16.22 0.00 -13.99 - 11,000 1,100 150.0 1100 1,300
<br />MW-8 11/30/95 2.23 16.97 0.00 -14.74 - 19,000 1,500 120.0 1300 700
<br />MW-8 03/26/96 2.22 11.44 0.00 -9.22 - 20,000 1,300 50.0 1400 640 - -
<br />MW-8 05/16/96 2.22 11.05 0.00 -8.83 - 15,000 1,000 73.0 1100 290 -
<br />MW-8 08/22/96 2.22 13.70 0.00 -11.48 - 18,000 1,300 110.0 1400 500
<br />MW-8 11/05/96 2.22 14.87 0.00 -12.45 - 13,000 890 110 1,000 320 360
<br />MW-8 02/25/97 2.22 9.05 0.00 -6.83 - 15,000 780 140 970 490 540
<br />MW-8 05/20/97 2.22 10.03 0.00 -7.81 - 14,000 830 42 690 160 <125 -
<br />MW-8 08126/97 2.22 12.52 0.00 -10.30 - 12,000 600 59 750 98 130 --
<br />MW-8 11/05/97 2.22 13.37 0.00 -11.15 - 10,000 470 51 630 89 410 <1,000 <20
<br />MW-8 02/10/98 2.22 5.32 0.00 -3.10 6,800 450 83 520 190 <25 -- --
<br />MW-8 05/20/98 1.74 6.73 . 0.00 -4.99 - 21,000 3,600 250 430 380 290 <5,000 <100
<br />MW-8 08/12/98 1.74 8.85 0.00 -7.11 6,300 1,300 oo 220 110 <50 -- --
<br />MW-8 12/01/98 1.74 9.73 0.00 -7.99 - 6,300 1,100 15 150 25 64
<br />MW-8 02/02/99 1.74 8.15 0.00 -8.41 - 6,600 820 30 270 92 180
<br />MW-8 05/20/99 1.74 7.96 0.00 -6.22 - 11,000 4,200 80.0 160 99 130
<br />MW-8 09/01/99 1.74 10.42 0.00 -8.68 7,480 1,090 18.9 143 42 <125
<br />MW-8 12/07/99 1.74 10.57 0.00 -8.83 - 16,900 2,750 398 654 1,270 <500
<br />MW-8 02)15/00 1.74 5.94 0.00 -4.20 - 7,690 709 33.5 67 50.6 <100
<br />MW-8 05/31/00 1 74 7.84 0.00 -6.10 - 190,002 5,600 210 180 290 1,300
<br />MW-8 08/25/00 1.74 10.00 0.00 -8.26 - 18,002 330 <10 <10 <10 51 - -
<br />MW-8 11/21/00 1.74 10.16 0.00 -8.42 - - - -_.---
<br />MW-8 12/02/00 1.74 11.24 0.00 -9.50 - 43,002 1,300 34 13 43 350 - -
<br />MW-8 02/14/01 1.74 10.40 000 -B66 - 4583 31.1 1.33 10.2 1.97 <2.50 - - - - -
<br />MW-8 05/16/01 1.74 8.22 000 -648 17,403 510 <12.5 <12.5 <12.5 <62.5 - - - - -
<br />MW-8 08/21/01 1.74 11.28 0.00 -954 550 53 5.8 7 <2.0 2.2 - - - -
<br />MW-8 11/20/01 1.74 12.25 000 -1051 620 39 1.8 1.9 4.1 <5.0 - - - 2.0
<br />MW-8 02/22/02 1.74 9.01 000 -7.27 4,200 180 12 82 53 <10 - - - 1.6
<br />MW-8 05/24/02 1.74 8.69 000 -6.95 2,800 120 4.2 35 16 <10 - - - 2.3
<br />MW-8 08/28/02 1.74 11.45 000 -9.71 620 10 <0.5 2 <0.5 <2 - - - 2.6
<br />MW-8 11/14/02 1.63 12.46 0.00 -10.83 - 2,100 84 5 9 6 <2 - - - - 14.3
<br />MW-8 02/20/03 1.63 9.12 0.00 -7.49 - 2,700 70 4 35 - 15 <2 - - - 0.8
<br />MW-8 05/22/03 1.63 9.05 0.00 -7.42 1,800 50 2 22 8 <2 - - - - -
<br />MW-8 08/21/03 1.63 11.03 0 .00 -9.40 - 560 4 <0.5 1 <0.5 <2 - <2 <2 1.7
<br />MW-8 11/24/03 - 9.30 0.00 - 620 9 1 6 2 <2 - - <2 <2 2.8 TOC altered, unable to determine GWE
<br />MW-8 02/16/04 1.02 8.35 0.00 -7.33 2,800 21 1 14 2 <2 - - - - 1.7
<br />MW-8 05/17/04 1.02 8.80 0.00 -7.78 - 1,500 11 0.6 4 0.8 <2 - - - - 2.4
<br />MW-8 08/23/04 1.02 10.95 0.00 -9.93 - 790 3 <0.5 2 0.6 <2 - - - 2.6
<br />MW-8 11/15/04 INA 1.02 - - - - - - - - - - - - - Locked fence
<br />MW-8 02/14/05 1.02 11.16 0.00 -10.14 - 2,100 58 8 55 39 <2 - - - 1.9
<br />MW-8 05/16/05 1.02 8.15 0.00 -7.13 2,600 180 22 12 57 <2 - - - - 1.7
<br />MW-8 08/15/05 1.02 9.93 0.00 -8.91 730 10 <0.5 <0.5 <0.5 <2 - - - - 1.4
<br />MW-8 11/14/05 1.02 10.97 0.00 -9.95 420 1 <0.5 <0.5 <0.5 <2 - - - - 1.6
<br />MW-8 02/13/06 1.02 7.68 0.00 -6.66 700 1 <0.5 1 <0.5 <2 - - - - 1.3
<br />MW-8 05/15/06 1.02 8.82 0.00 -5.80 1,700 170 4 a 8 <2 - - 1.5
<br />94054 GW Tables.xls
<br /> Page 17 of 29
<br /> Stantec
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