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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 />(ft)
<br />SPH
<br />(ft)
<br />GWE
<br />(ft-MSL)
<br />TPH-
<br />DRO
<br />(pg/L)
<br />TPH-
<br />GRO
<br />(pg/L)
<br />B
<br />(pg/L)
<br />T
<br />(pg/L)
<br />E
<br />(pg/L)
<br />X
<br />(pg/L) (p
<br />MTBE
<br />(pgIL)
<br />_
<br />TBA
<br />(pg/L)
<br />TAME
<br />(pg/L)
<br />1,2-
<br />CA
<br />(pg/L)
<br />D EDB
<br />(pg/L)
<br />D.O.
<br />(mg/L)
<br />Comments
<br />MW-2 08/19/88 1.80 14 11 000 -12.31 51,000 -- -- --
<br />MW-2 09/15/88 1.80 14 64 0.00 -12.84 - - 13,000 10,000 2,000 11,000 -
<br />MW-2 06/26/92 1.80 2052. 0.00 -18.72 9,300 72,000 5,900 5,200 1,400 8,000 9,300
<br />MW-2 10/01/92 1.95 22.40 0.00 -20.45 - 31,000 6,100 5,100 1,400 8.000 --
<br />MW-2 11/30/92 1.95 22.54 000 -20.59 -- -- - - - --
<br />MW-2 12/28/92 1.95 21.86 0.00 -19.91 - -- - - - --
<br />MW-2 01/15/93 1.95 20.81 0.00 -18.86 120,000 6,203 6,000 2,100 12,000
<br />MW-2 04/21/93 195 17.12 0.00 -15.17 - 130,000 11,000 7,100 2,300 13,000
<br />MW-2 08/20/93 195 19.00 0.00 -17.05 40,000 5,200 4,500 1,400 6,900 -
<br />MW-2 11/22/93 1.95 19.53 0.00 -17.58 27,000 3,400 2,000 740 2,900
<br />MW-2 02/17/94 1.95 17.95 0.00 -16.00 30,000 3,800 2,500 970 4,600
<br />MW-2 05/23/94 1.95 17.50 0.00 -15.55 35,000 5,700 4,000 1,200 5,600
<br />MW-2 08/15/94 1.95 19.01 0.00 -17.06 34,000 6,000 3,700 1,200 5,300
<br />MW-2 11/23/94 1.95 19.56 0.00 -17.61 - 32,000 6,600 3,400 1,100 5,100
<br />MW-2 02/23/95 1.95 16.93 0.00 -14.98 51,000 8,600 5,700 1,500 8,100
<br />MW-2 05/26/95 1.95 14.97 0.00 -13.02 74,000 13,000 5,700 1,500 8,100 -
<br />MW-2 08/25/95 1.95 15.86 0.00 -13.91 - 48,000 7,800 3,700 1,100 4,400 - -
<br />MW-2 11/30/95 1.95 16.55 0.00 -14.60 - 68,000 8,700 4,000 1,300 6.200 -
<br />MW-2 03/26/96 1.80 11 17 0.00 -9.37 49,000 7,600 3,100 870 4,800
<br />MW-2 05/16/96 1 80 10.48 0.00 -8.68 34,000 13,000 5,500 1,700 8,500 - -
<br />MW-2 08/22/96 1.80 13.30 0.00 -11.50 62,000 13,000 4.400 1,300 7,200 -- - -
<br />MW-2 11/05/96 1.80 14.20 0.00 -12.40 53,000 7,600 3,100 1,000 5,500 530
<br />MW-2 02/25/97 1.80 8.76 0.00 -6.96 61,000 12,000 4,000 1,300 7,700 1,200 -
<br />MW-2 05/20/97 1.80 9.70 0.00 -7.90 60,000 5,800 2,900 1,200 6,300 <250 - -
<br />MW-2 08/26/97 1.80 12.14 0.00 -10.34 65,000 12,000 3,300 1,400 6,600 1,000 - -- -
<br />MW-2 11/05/97 1.80 12.86 0.00 -11.06 57,000 9,100 2,600 1,000 5,000 730 <3,300 <66 --
<br />MW-2 02/10/98 1.80 4.75 0.00 -2.95 38,000 19,000 1,200 310 4,200 <50 -- --
<br />MW-2 05/20/98 1.33 6.30 0.00 -4.97 27,000 6,400 <250 <250 1,200 <1250 <3,330 <67
<br />MW-2 08/12/98 1.33 8.81 0.00 -7.48 22,000 2,500 250 <100 1,700 28 - --
<br />MW-2 12/01/98 1.33 9.31 0.00 -7.98 23,000 5,900 1,100 440 2,100 <500 -
<br />MW-2 02/02/99 1.33 8.31 0.00 -6.98 29,000 6,400 1,300 640 2,100 880
<br />MW-2 05/20/99 1.33 7.55 0.00 -6.22 24,000 8,000 1,400 520 2,500 <2.5 -
<br />MW-2 09/01/99 1.33 9.98 0.00 -8.65 38,600 8,040 1,580 782 3,620 <1000
<br />MW-2 12/07/99 1.33 10.69 0.00 -9.36 32,500 6,630 1,470 654 2,710 <1000
<br />MW-2 02/15/00 1.33 5.55 0.00 -4.22 19,800 5,580 818 276 1,720 1,230 - -
<br />MW-2 05/31/00 1.33 7.50 0.00 -6.17 210,002 6,500 1,600 510 3.100 960 - -
<br />MW-2 08/25/00 1.33 9.60 0 03 -827 410,002 7,200 1,500 820 3,900 <1,300 - - -
<br />MW-2 11/21/00 1.33 9.68 0.00 -8.35 - -- -- -- -- -- - - - -
<br />MW-2 12/02/00 1.33 10.67 000 -9.34 82,002 1,300 510 210 380 25 - - -
<br />MW-2 02/14/01 1 33 10.11 0.00 -8.78 71,202 965 165 307 397 679 - - -
<br />MW-2 05/16/01 1.33 7.75 0.00 -6.42 33,302 102 18.1 98.8 164 <1.0 - - -
<br />MW-2 08/21/01 1.33 10.89 0.00 -9.56 -- 4,400 250 70 73 470 <2.0 - - - - -
<br />MW-2 - 11/20/01 1.33 11.74 0.00 -10.41 700 19 11 4.6 59 <2.5 - - - -- 1.7
<br />MW-2 02/22/02 1.33 9.00 0.00 -7.67 <50 11 0.78 <0.50 1.8 <2.5 - 1.4
<br />MW-2 05/24/02 1.33 828 0.00 -6.95 <50 <0.50 <0.50 <0.50 <1.5 <2.5 - 1.8
<br />MW-2 08/28/02 1.33 11.03 0.00 -9.70 <50 0.6 0.6 <a 5 0.9 <2 - - 2.1
<br />MW-2 11/14/02 1.16 11 98 0.00 -10.82 96 5 5 2 13 <2 - -- - 12.9
<br />MW-2 02/20/03 116 8.84 0.00 -7.68 810 24 9 2 130 <2 - 1.9
<br />MW-2 05/22/03 1.16 8.67 0.00 -7.51 370 19 8 7 63 <2 - --
<br />MW-2 08/21/03 1.16 10.96 0.00 -9.80 210 8 5 4 31 <2 - <2 <2 2.3
<br />MW-2 11/24/03 _ 9.25 0.00 - 2,100 820 7 10 38 10 - - <2 <2 2.5 TOC altered; unable to determine OWE
<br />94054 GW Tables.xls
<br /> Page 4 of 29
<br /> Stantec
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