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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 TO C <br />(ft-MSL) <br />Depth <br />to <br />Water <br />(ft) <br />SPH <br />(ft) , <br />GWE <br />(ft-MS L) <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 ED B <br />(pg/L) <br />D.O. <br />)mg/L) Comments <br />MW-12B 08/02/11 383 9.53 000 .570 1,500 450 5 0.8 4 <05 1 2 <br />MW-12B 02/03/12 3.83 9.80 0.00 -5.97 2,000 570 5 <3 <3 <3 - 0.8 <br />MW-12B 08/09/12 3.83 11.08 0.00 -7.25 1,800 620 5 <5 <5 <5 - 1.9 <br />MW-12B 03/14/13 3.83 8.50 0.00 -4.67 - 1,400 310 3 0.6 3 <0.5 - 2.1 <br />MW-12B 09/25/13 3.83 11.53 0.00 -7.70 - 830 200 2 <0.5 0.6 <0.5 - - 1.9 <br />MW-12B 03/18/14 3.83 9.36 0.00 -5.53 - 180 43 <0.5 <0.5 <0.5 <0.5 - - - 2.1 <br />MW-12B 09/29/14 3.83 12.80 0.00 -8.97 - 240 74 0.6 <0.5 <0.5 <0.5 - - - - 0.6 <br />MW-12B 03/25/15 3.83 9.64 0.00 -5.81 - 2,000 770 9.0 1 8.0 <0.5 - - - - 1.9 <br />MW-12B 09/28/15 3.83 14.08 0.00 -10.25 - <50 <0.5 <0.5 <0.5 <0.5 <2 <100 <2 <2 <2 1.8 <br />MW-12B 03/28/16 3.83 8.56 0.00 -4.73 - 1,100 340 3 <3 <3 <3 - <3 <3 <3 2.1 <br />MW-1213 09/26/16 3.83 13.02 0.00 -9.19 - 680 160 1 <0.5 1 <2 - <2 <2 <2 1.7 <br />MW-12C 02/09/09 3.79 12.00 0.00 -8.21 - 330 90 4 <0.5 1 <0.5 22 <0.5 <0.5 <0.5 2.4 <br />MW-12C 05/11/09 3.79 11.80 0.00 -8.01 490 170 6 <0.5 1 <0.5 19 <0.5 <0.5 <0.5 2.1 <br />MW-12C 11/23/09 3.79 1308 0.00 -9.29 230 79 2 <0.5 0.7 <0.5 7 <0.5 <0.5 <0.5 1.8 <br />MW-12C 05/17/10 3.79 10.73 0.00 -6.94 180 38 2 <0.5 0.8 <0.5 11 <0.5 <0.5 <0.5 1.9 <br />MW-12C 11/03/10 3.77 12.51 0.00 -8.74 - 600 160 6 <0.5 2 <0.5 - - - 1 2 <br />MW-12C 01/05/11 3.77 10.42 0.00 -6.65 <50 2 <0.5 <0.5 <0.5 <0.5 - - - - 1.3 <br />MW-12C 08/02/11 3.77 11.33 0.00 -7.56 450 140 . 4 <0.5 0.9 0.9 - - - - 0.9 <br />MW-12C 02/03/12 3.77 10.66 0.00 -6.89 <50 <0.5 <0.5 <0.5 <0.5 <0.5 - - - - 1.4 <br />MW-12C 08/09/12 3.77 12.03 0.00 -8.26 260 94 3 <0.5 0.7 <0.5 - - - - 2.1 <br />MW-12C 03/14/13 3.77 10.12 0.00 -6.35 <50 0.6 <0.5 <0.5 <0.5 <0.5 - - - - 1.7 <br />MW-12C 09/25/13 3.77 12.05 0.00 -8.28 <60 12 <0.5 <0.5 <0.5 <0.5 - - - - 1.4 <br />MW-12C 03/18/14 3.77 10.51 0.00 -6.74 - 520 180 4 1 2 <0.5 - - - - 1.6 <br />MW-12C 09/29/14 3.77 13.21 0.00 -9.44 - 130 42 1 <0.5 <0.5 <0.5 - - - - 0.8 <br />MW-12C 03/25/15 3.77 11.42 0.00 -7.65 - <50 12 <0.5 <0.5 <0.5 <0.5 - - - 1.5 <br />MW-12C 09/28/15 3.77 13.93 0.00 -10.16 - 73 22 <0.5 <0.5 <0.5 <2 <100 <2 <2 <2 1.4 <br />MW-12C 03/28/16 3.77 10.78 0.00 -7.01 - 72 28 <0.5 <0.5 <0.5 <2 - <2 <2 <2 2.1 <br />MW-12C 09/28/18 3.77 13.68 0.00 -9.91 60 15 <0.5 <0.5 <0.5 <2 - <2 <2 <2 1.8 <br />MW-12D 02/09/09 3.69 11.90 0.00 -8.21 <50 2 <0.5 <05 <0.5 <0.5 <2 <0.5 <0.5 <0.5 2.1 <br />MW-12D 05/11/09 3.69 11.73 0.00 -8.04 - <50 <0.5 <0.5 <0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 2.7 <br />MW-12D 11/23/09 3.69 12.98 0.00 -9.29 - <50 <0.5 <0.5 <0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 1.9 <br />MW-12D 05/17/10 3.69 10.65 0.00 -6.96 - <50 <0.5 <0.5 <0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 2.1 <br />MW-12D 11/03/10 .3.68 12.45 0.00 -8.77 <50 <0.5 <0.5 <0.5 <0.5 <0.5 - - - 1.7 <br />MW-12D 01/05/11 3.68 10.37 0.00 -6.69 - <50 <0.5 <0.5 <0.5 <0.5 <0.5 -- - - 1.1 <br />MW-12D 08/02/11 3.68 11.23 0.00 -7.55 <50 5 <0.5 <0.5 <0.5 <0.5 - - - 1.1 <br />MW-12D 02/03/12 3.68 10.60 0.00 -6.92 - <50 0.7 <0.5 <0.5 <0.5 <0.5 - - - .1.1 <br />MW-12D 08/09/12 3.68 11.95 0.00 -8.27 - <50 2 <0.5 <0.5 <0.5 <0.5. - - - 1.8 <br />MW-12D 03/14/13 3.68 10.04 0.00 -6.36 - <50 <0.5 <0.5 <0.5 <0.5 <15 - - - 1.4 <br />MW-12D 09/25/13 3.68 11.98 0.00 -8.30 - <50 <0.5 <0.5 <0.5 <0.5 <0.5 - - - 1.2 <br />MW-12D 03/18/14 3.68 10.43 0.00 -6.75 <50 <0.5 <0.5 <0.5 <0.5 <0.5 - - - 1.7 <br />MW-12D 09/29/14 3.68 13.15 0.00 -9.47 <50 <0.5 <0.5 <0.5 <0.5 <0.5 - - - - 2.5 <br />MW-12D 03/25/15 3,68 11.33 0.00 -7.65 - <50 <0.5 <0.5 <0.5 <0.5 <0.5 - - - - 1.9 <br />MW-12D 09/28/15 3.68 13.88 0.00 -10.20 - <50 <0.5 <0.5 <0.5 <0.5 <2 <100 <2 <2 <2 1.3 <br />MW-12D 03/28/16 3.68 10.70 0.00 -7.02 - <50 <0.5 <0.5 <0.5 <0.5 <2 - <2 <2 <2 1.7 <br />MW-12D 09/26/16 3.68 13.62 0.00 -9.94 <SO <0.5 <0.5 <0.5 <0.6 <2 - <2 <2 <2 1.9 <br />MW-13B 11/03/10 3.70 11.19 0.00 -7.49 1,600 490 5 1 4 <0.5 - - - - 1.0 <br />MW-13B 01/05/11 3.70 7.80 0.00 -4.10 970 310 3 <0.5 2 <0.5 - - - - 1.1 <br />MW-13B 08/02/11 3.70 9.39 0.00 -569 1,200 410 4 0.7 3 <0.5 - - - - 0.8 <br />MW-13B 02/03/12 3.70 9.67 0.00 -5.97 4,400 1,400 11 <3 7 <3 - - - - 1.2 <br />MW-13B 08/09/12 3.70 10.94 0.00 -7.24 2,800 1,200 11 <5 <5 <5 - - - - 1.1 <br />MW-13B 03/14/13 3.70 8.30 0.00 -4.60 4,400 960 10 <5 <5 <5 - - - - 6.7 <br />94054 GW Tables.xls <br /> Page 25 of 28 <br /> Stantec