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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 />DR
<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
<br />(pg/L)
<br />EDB
<br />(pg/L)
<br />D.O.
<br />(mg/L) Comments
<br />MW-2 05/15/06 056 615 000 -559 810 32 4 17 53 <2 1 8
<br />MW-2 08/14/06 0.56 8.75 0.00 -8.19 710 14 1 4 10 <2 2.1
<br />MW-2 11/13/06 0.56 9.57 0.00 -9.01 1,700 66 5 25 56 <2 1.9
<br />MW-2 02/12/07 0.56 7.93 0.00 -7.37 950 32 1 9 13 0.6 1.8
<br />MW-2 05/14/07 0.56 8.11 0.00 -7.55 1,100 24 1 8 12 <2 0.5
<br />MW-2 08/13/07 0.56 10.11 0.00 -9.55 280 11 <05 <0.5 <0.5 3 0.9
<br />MW-2 11/12/07 0.56 10.57 0.00 -10.01 2,900 270 10 32 81 3 - 1.2
<br />MW-2 02/11/08 0.56 6.63 0.00 -6.07 <50 1 <05 <0.5 <0.5 <2 - 1.4
<br />MW-2 05/12/08 0.56 7.93 0.00 -7.37 950 50 5 23 56 2 1 2
<br />MW-2 08/11/08 0.56 10.10 0.00 -9.54 - 6,000 480 36 200 380 5 -- -- 1.4
<br />MW-2 11/10/08 0.56 10.41 0.00 -9.85 2,400 290 5 <5 <5 <5 <5 <5 - 11
<br />MW-2 02/09/09 INA 0.56 - - - - - - - -- - - Unable to locate
<br />MW-2 05/11/09 INA 0.56 - - - - - Unable to locate
<br />MW-2 11/23/09 INA 0.56 - - - - - - - - - - Unable to locate
<br />MW-2 05/17/10 INA 0.56 - - - - - - - - - - - - Unable to locate
<br />MW-2 11/03/10 3.01 10.15 0.00 -7.14 -- 1,200 69 1 0.7 2 1 - - 1.3
<br />MW-2 01/05/11 3.01 6.88 0.00 -3.87 - 1,800 180 3 21 11 3 - - -- 1.7
<br />MW-2 08/02/11 3.01 8.53 0.00 -5.52 51 <0.5 <0.5 <0.5 <0.5 <0.5 - - - 1.0
<br />MW-2 02/03/12 3.01 8.82 0.00 -5.81 <50 1 <0.5 <0.5 <0.5 <0.5 - - -- 1.1
<br />MW-2 08/09/12 3.01 10.02 0.00 -7.01 - 3,000 250 7 <5 6 <5 - - - 1.2
<br />MW-2 03/14/13 3.01 7.62 0.00 -4.61 82 <0.5 <0.5 <0.5 <0.5 <0.5 - - - 1.1
<br />MW-2 09/25/13 3.01 10.42 0.00 -7.41 4,200 390 19 93 100 4 - - -- 0.9
<br />MW-2 03/18/14 3.01 8.91 0.00 -5.90 140 2 1 <0.5 <0.5 <0.5 - - - - 0.8
<br />MW-2 09/29/14 3.01 11.61 0.00 -8.60 4,900 280 26 7 36 4 - - - - 11
<br />MW-2 03/25/15 3.01 8.56 0.00 -5.55 2,500 100 9 2 14 2 - - - - 22
<br />MW-2 09/27/15 3.01 12.25 0.00 -9.24 2,600 180 4 <0.5 3 <2 - <2 <2 20
<br />MW-2 03/28/16 3.01 7.75 0.00 -4.74 - 150 2 <0.5 <0.5 <0.5 <2 - <2 <2 1 2
<br />MW-2 09/26/16 3.01 11.90 0.00 -8.89 - 1,800 110 0.6 0.7 <0.5 <2 <2 <2 1.5
<br />MW-2B 11/10/06 3.91 11.68 0.00 -7.77 - - - _ - - Well development performed
<br />MW-2B 11/13/06 3.91 10.72 0.00 -6.81 14,000 2,500 47 16 49 <5 - - - 1.9
<br />MW-2B 02/12/07 3.91 9.02 0.00 -5.11 12,000 2,900 44 13 43 <5 - - - - 21
<br />MW-2B 05/14/07 3.91 9.15 0.00 -5.24 - 9,900 3,500 50 14 46 <3 - - - - 1.1
<br />MW-2B 08/13/07 3.91 11.29 0.00 -7.38 9,500 2,700 24 11 25 <3 - - - - 0.8
<br />MW-2B 11/12/07 3.91 11.62 0.00 -7.71 7,800 2,200 15 6 9 <3 - - - - 1.1
<br />MW-2B 02/11/08 3.91 7.50 0.00 -3.59 - 5,900 1,800 17 3 15 <2 - - - - 0.9
<br />MW-2B 05/12/08 3.91 8.97 0.00 -5.06 8,500 2,800 46 7 37 <3 - - - - 1.0
<br />MW-2B 08/11/08 3.91 11.30 0.00 -7.39 7,800 2,000 27 5 17 <2 - - 1 7
<br />MW-2B 11/10/08 3.91 11.49 0.00 -7.58 6,500 1,700 <25 <25 <25 <25 - <25 <25 - 1 3
<br />MW-2I3 02/09/09 3.91 10.15 0.00 -6.24 1,600 340 4 <0.5 6 <0.5 - <0.5 <0.5 - 0.6
<br />MW-2B 05/11/09 3.91 9.39 0.00 -5.48 4,400 960 18 3 15 <1 - <1 <1 - 03
<br />MW-2B 11/23/09 3.91 11.88 0.00 -7.97 7,300 2,100 25 3 17 <3 - <3 <3 - 0.6
<br />MW-2I3 05/17/10 3.91 8.17 0.00 -4.26 3,100 470 10 1 14 1 - <0.5 <0.5 - 1.2
<br />MW-2B 11/03/10 3.93 11.35 0.00 -7.42 8,000 2,800 36 5 24 <3 - - - - 0.8
<br />MW-2B 01/05/11 3.93 8.71 0.00 -4.78 3,700 1,200 13 <1 16 <1 - - - - 1.4
<br />MW-213 08/02/11 3.93 9.60 0.00 -5.67 10,000 3,300 47 8 32 <5 - - - - 1.1
<br />MW-2B 02/03/12 3.93 9.82 0.00 -5.89 12,000 3,500 45 7 30 <3 - - - - 1.2
<br />MW-2B 08/09/12 3.93 11.12 0.00 -7.19 12,000 3.200 34 <5 14 <5 - - - - 1.1
<br />MW-213 03/14/13 3.93 8.55 0.00 -4.62 9,600 3,600 43 6 28 <5 - - - - 1.1
<br />MW-2B 09/25/13 3.93 11.60 0.00 -7.67 7,000 2,500 32 4 18 2 - - - - 0.8
<br />MW-2B 03/18/1 4 3.93 9.57 0.00 -5.64 7,200 3,100 15 3 14 4 - - - - 0.9
<br />MW-2B 09/29/14 3.93 12.85 0.00 -8.92 4,400 1,200 3 1 9 3 - -- - 1.0
<br />94054 GW Tables.xls
<br /> Page 5 of 28
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<br />Stantec
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