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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 />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) (p
<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-5 03/18/14 363 886 0.00 -5 22 <50 <0.5 <0.5 <0.5 :05 <05 1.1
<br />MW-5 09/29/14 3.63 1203. 0.00 -8.40 <50 <0.5 <0.5 <0.5 <0.5 <0.5 0.3
<br />MW-5 03/25/15 3.63 9.13 0.00 -5.50 150 <0.5 <0.5 <0.5 <0.5 <0.5 2.2
<br />MW-5 09/28/15 3.63 12.61 0.00 -8.98 <50 <0.5 <0.5 <0.5 1 <2 <2 <2 2.4
<br />MW-5 03/28/16 3.63 8 24 0.00 -4.61 <50 <0.5 <0.5 <0.5 <0 5 <2 <2 <2 1.0
<br />MW-5 09/26/16 3.63 12.07 0.00 4.44 <50 <0.5 <0.5 <0.6 <0.5 <2 -- <2 <2 1.3
<br />MW-6 10/01/92 1.35 21.84 000 -20.49 29,000 1,200 1,000 730 3,000 -
<br />MW-6 11/30/92 1.35 22.95 0.00 -21.60 - - -- -- --
<br />MW-6 12/28/92 1.35 21.42 0.00 -20.07 - - -- - -- -
<br />MW-6 01/15/93 1 35 2051. 0.00 -19.16 48,000 1,900 1,900 1,200 4,500
<br />MW-6 04/21/93 1.35 16.68 0.00 -15.33 42,000 2,800 2,400 1,500 5,700 -
<br />MW-6 08/20/93 1.35 18.53 0.00 -17.18 20,000 2,000 1,300 830 3,200 -
<br />MW-6 11/22/93 1.35 19.04 0.00 -17.69 21,000 2,200 1,600 1,200 4,200 -
<br />MW-6 02/17/94 1.35 17.56 0.00 -16.21 28,000 2,600 1,700 1,300 4,300 - -
<br />MW-6 05/23/94 1.35 17.05 0.00 -15.70 250,000 24,000 14,000 11,000 38,000 - - - -
<br />MW-6 08/15/94 1.35 18.54 0.00 -17.19 19,000 2,000 1100.0 820 2800.0 -
<br />MW-6 11/23/94 1.35 1910. 0.00 -17.75 19,000 3,500 860.0 1100 3100.0 -
<br />MW-6 02/23/95 1.35 16.53 0.00 -15.18 30,000 3,100 1700.0 1200 3800.0 -
<br />MW-6 05/26/95 1.35 14.57 0.00 -1322 19,000 2,100 1000.0 960 2800.0 -
<br />MW-6 08/25/95 1.35 15.42 0.00 -14.07 38,000 4,000 1800.0 1800 5000.0 - -
<br />MW-6 11/30/95 1.35 16.13 0.00 -14.78 31,000 4,300 760.0 990 2500.0 -
<br />MW-6 03/26/96 1.29 10.76 0.00 -9.47 36,000 3,700 14000 1500 4000.0 - -
<br />MW-6 05/16/96 1.29 10.27 0.00 -8.98 18,000 2,300 800.0 740 1800.0 -
<br />MW-6 08/22/96 1.29 12.90 0.00 -11B1 14,000 2,300 550.0 640 1700.0 -
<br />MW-6 11/05/96 1.29 13.74 0.00 -12.45 22,000 2,400 710.0 940 2100.0 170
<br />MW-6 02/25/97 1.29 8.36 0.00 -7.07 24,000 3,000 10000 1100 2300.0 1000
<br />MW-6 05/20/97 1.29 9.24 0.00 -7.95 19,000 2,200 840 680 1600.0 <250
<br />MW-6 08/26/97 1.29 11.65 0.00 -10.36 19,000 2,700 770 740 1500.0 160 --
<br />MW-6 11/05/97 1.29 12.42 0.00 -11.13 18,000 2,100 500 710 1100.0 710 <1,000 <20
<br />MW-6 02/10/98 1.29 4.27 0.00 -2.98 6,700 1,500 140 300 420.0 <25 ....
<br />MW-6 05/20/98 0.79 5.76 0.00 -4.97 9,100 1,300 140 310 320 <500 <1,250 <25
<br />MW-6 08/12/98 079 7.90 aoo -7.11 4,400 1,200 130 210 240 <50 - ...
<br />MW-6 12/01/98 0.79 8.87 0.00 -8.08 2,600 830 46 110 100 200
<br />MW-6 02/02/99 0.79 7.34 0.00 -6.55 120 31 0.63 a 82 2. 1 5.4
<br />MW-6 05/20/99 0.79 7.02 0.00 -6.23 3,600 1,300 140 190 470 19
<br />MW-6 09/01/99 0.79 9.58 0.00 -8.79 15,300 3,020 439 483 1,060 <500 -
<br />MW-6 12/07/99 0.79 10.35 0.00 -9.56 24,400 3,990 583 963 1,830 <500 -
<br />MW-6 02/15/00 0.79 5.12 0.00 -4.33 18,100 4,540 508 863 1,360 1,240
<br />MW-6 05/31/00 0.79 6.92 0.00 -6.13 37,002 700 110 170 270 190
<br />MW-6 08/25/00 0.79 9.14 0.00 -8.35 60,002 1,200 140 220 300 260
<br />MW-6 11/21/00 0.79 9.19 0.00 -8.40 -- - -- - --
<br />MW-6 12/02/00 0.79 10.07 0.00 -9.28 24,002 1,100 35 40 63 340
<br />MW-6 02/14/01 0.79 997 0.00 -8.18 - 31,303 1,170 78.3 153 207 <100 -
<br />MW-6 05/16/01 0.79 7.28 000 -6.49 22,602 740 15.4 93.1 148 142
<br />MW-6 08/21/01 0.79 10 14 0.00 -9.35 1,200 380 10 24 36 87 -
<br />MW-6 11/20/01 0.79 11.11 0.00 -10.32 - 2,000 330 6 15 16 80
<br />MW-6 02/22/02 0.79 7.52 0.00 -6.73 1,600 320 3.3 4.6 4.9 64
<br />MW-6 05/24/02 0.79 7.80 0.00 -7.01 4,800 1,000 53 81 190 240
<br />MW-6 08/28/02 0.79 10.52 0.00 -9.73 2,100 370 8 11 14 130
<br />MW-6 11/14/02 068 11 22 0.00 -10.54 3,700 530 33 130 67 91
<br />MW-6 02/20/03 0.68 816 0.00 -7.48 - 5,300 1,500 27 12 46 70
<br />94054 GW Tables xls
<br /> Page 13 of 28
<br /> Stantec
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