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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 />W ell No. Date Notes
<br />TOC
<br />(11-MSL)
<br />Depth
<br />to
<br />Water
<br />(ft)
<br />SPH
<br />(ft)
<br />OWE
<br />(ft-MSL)
<br />TPH-
<br />()
<br />(pg/L)
<br />DR RO
<br />TPH-
<br />G
<br />•
<br />B
<br />(pg/L)
<br />T
<br />(pg/L)
<br />E
<br />(pg/L)
<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 />EDB
<br />(pg/L)
<br />D.O.
<br />(mg/L) Comments
<br />MW-3 06/26/92 2.32 2095. 0.00 -18.63 840 34,000 2,000 1,400 1,400 3,700 840
<br />MW-3 10/01/92 2.42 22.85 0.00 -20.43 -- 31,000 2,000 1,100 1,300 3,000 --
<br />MW-3 11/30/92 2.42 23.04 0.00 -20.62 -- - - -- - - -
<br />MW-3 12/28/92 2.42 22.33 0.00 -19.91 -- - -- - --
<br />MW-3 01/15/93 2.42 21.24 0.00 -18.82 - 37,000 1,800 1,100 930 3,300
<br />MW-3 04/21/93 2.42 17.50 0.00 -15.08 83,000 9,500 3,600 2,500 9,500
<br />MW-3 08/20/93 2.42 1948. 0.00 -17.06 - 48,000 5,900 4,000 2,300 9,700 -
<br />MW-3 11/22/93 2.42 20.00 0.00 -17.58 48,000 5,300 3,700 1,900 8,200
<br />MW-3 02/17/94 2.42 18.42 0.00 -16.00 42,000 6,400 2,400 2,000 7,000
<br />MW-3 05/23/94 2.42 17.96 0.00 -15.54 43,000 6,300 2,500 1,900 6,600
<br />MW-3 08/15/94 2.42 19_51 0.00 -17.09 45,000 6,300 3,200 2,100 8,300
<br />MW-3 11/23/94 2.42 2008. 0.00 -17.66 - 36,000 4,800 1,900 1,900 5,100
<br />MW-3 02/23/95 2.42 17.00 0.00 -14.58 - 46,000 7,200 2,400 2,100 6,700 -
<br />MW-3 05/26/95 2.42 15.38 0.00 -12.96 48,000 7,800 1,700 2,500 5,000 -
<br />MW-3 08/25/95 2.42 16.36 0.00 -13.94 - 65,000 9,700 2,400 3,300 6,900
<br />MW-3 11/30/95 2.42 17.09 0.00 -14.67 54,000 7,600 1,900 2,400 5,700
<br />MW-3 03/26/96 1.98 11.24 0.00 -9.26 44,000 5,200 5,200 1,600 2,200 -
<br />MW-3 05/16/96 1.98 10.65 0.00 -8.67 40,000 7,000 890 1,900 2,500
<br />MW-3 08/22/96 1.98 13.42 0.00 -11.44 35,000 7,000 660 2,000 2,400 --
<br />MW-3 11/05/96 1.98 14.36 0.00 -12.38 42,000 6,400 920 2,300 3,100 390
<br />MW-3 02/25/97 1.98 8.82 0.00 -6.84 30,000 4,700 920 1.900 2,800 720
<br />MW-3 05/20/97 1.98 9.85 0.00 -7.87 36,000 4,700 500 1,900 2,000 <250
<br />MW-3 08/26/97 1_98 12.27 0.00 -10.29 37,000 5,900 610 2,200 2,000 690 -- --
<br />MW-3 11/05/97 1.98 13.15 0.00 -11.17 33,000 4,900 440 1,900 1,300 820 <2,503 <50
<br />MW-3 02/10/98 1.98 4.95 0.00 -2.97 15,000 2,400 190 610 730 <50 - --
<br />MW-3 05/20/98 1.50 6.45 0.00 -4.95 - 17,000 3,100 170 500 300 360 <2,000 <40
<br />MW-3 08/12/98 150 8_55 0.00 -705 14,000 3,300 160 970 490 <500 --
<br />MW-3 12/01/98 1.50 9.54 0.00 -8.04 19,000 4,000 200 1,300 600 500
<br />MW-3 02/02/99 1 50 7.93 0.00 -6.43 24,000 4,000 430 1,500 1200, 660
<br />MW-3 05/20/99 1.50 7.65 0.00 -6.15 21,000 5,000 210 1,100 480 1,000 -
<br />MW-3 09/01/99 1.50 10.05 0.00 -8.55 19,700 3,560 141 1,020 553 <500
<br />MW-3 12/07/99 1.50 10.83 0.00 -9.33 21,800 4,260 338 1,260 779 <500
<br />MW-3 02/15/00 1.50 5.42 0.00 -3.92 11,200 2,530 128 626 317 408
<br />MW-3 05/31/00 1.50 7.62 0.00 -6.12 89,002 5,500 220 440 240 1,100
<br />MW-3 08/25/00 1.50 9.79 0.00 -8.29 140,002 2,800 110 630 270 <500
<br />MW-3 11/21/00 1.50 9.82 0.00 -8.32 -- -- -- -- - --
<br />MW-3 12/02/00 1.50 10.96 0.00 -9.46 76,002 2,100 40 17 51 <50 -
<br />MW-3 02/14/01 1.50 10.24 0.00 -8.74 32,703 419 11.3 68.1 29.9 26.7 -
<br />MW-3 05/16/01 1.50 7.97 0.00 -6.47 12,802 163 6.76 10.4 7.38 <1.0 - - -
<br />MW-3 08/21/01 1.50 11.04 0.00 -9.54 4,000 660 40 210 66 5.7 --
<br />MW-3 11/20/01 1.50 12.00 0.00 -10.50 - 4,700 190 33 140 150 <10 - - - 1.2
<br />MW-3 02/22/02 1.50 8.84 0.00 -7.34 - 3,100 79 17 51 83 <10 - - 0.9
<br />MW-3 05/24/02 1.50 8.43 0.00 -6.93 3,900 97 19 67 110 <5.0 - 0.7
<br />MW-3 08/28/02 1.50 11.19 0.00 -969 2,100 85 5 37 20 <2 - 0.8
<br />MW-3 11/14/02 1.40 12.20 0.00 -10.80 2,700 110 9 33 28 <2 - 13.4
<br />MW-3 02/20/03 1.40 8.94 0.00 -7.54 3,400 130 23 55 140 <2 - 1.7
<br />MW-3 05/22/03 1.40 8.81 0.00 -741 1,500 50 7 35 39 <2 - -- --
<br />MW-3 08/21/03 1.40 11.08 0.00 -9.68 2,400 54 6 48 26 <2 - <2 <2 0.9
<br />MW-3 11/24/03 -- 10.70 0.00 4,000 67 11 67 42 <2 - - <2 <2 1.1 TOC altered; unable to determine OWE
<br />MW-3 02/16/04 1.31 8.65 0.00 -7.34 3,500 87 19 100 70 <2 - --- 1.5
<br />MW-3 05/17/04 1.31 9.10 0.00 -7.79 - 870 15 2 15 7 <2 - 1.3
<br />94054 GW Tables.xls
<br /> Page 7 of 29
<br /> Stantec
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