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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 />(pg/L)
<br />TPH-
<br />GRO
<br />(pg/L)
<br />B
<br />(pg/L)
<br />T
<br />lug/L)
<br />E
<br />lug/L)
<br />X
<br />(pg/L)
<br />MTBE
<br />lug/L)
<br />TEA
<br />lug/L)
<br />TAME
<br />lug/L)
<br />12- ,
<br />DCA EDB
<br />(pg/L)
<br />D.O.
<br />(mg/L) Comments
<br />MW-3 05/12/08 131 875 000 -744 4,100 71 16 110 48 <0.5 20
<br />MW-3 08/11/08 1.31 10.82 0.00 -9.51 - 3,400 99 13 45 24 <2 - - 1 7
<br />MW-3 11/10/08 3.85 11.16 0.00 -7.31 1.900 8 1 <0.5 2 <0.5 <0.5 <0.5 1 2
<br />MW-3 02/09/09 3.85 9.87 0.00 -6.02 410 <0.5 <0 5 <0.5 <0.5 <0.5 - <0.5 <0.5 11
<br />MW-3 05/11/09 3.85 9.18 0.00 -5.33 390 <0.5 <0.5 <0.5 <0.5 <0.5 - <0.8 <0.5 09
<br />MW-3 11/23/09 3.85 1149 0.00 -7.64 2,600 4 2 4 3 <0.5 - <0.5 <0.5 07
<br />MW-3 05/17/10 3.85 8.11 0.00 -4.26 3,200 84 7 19 16 0.6 - <0.5 <0.5 - 1 0
<br />MW-3 11/03/10 3.85 11.01 0.00 -7.16 800 3 1 <0.5 2 <0.5 - - - - 11
<br />MW-3 01/05/11 3.85 7.85 0.00 -4.00 3100 72 10 42 19 <0.5 - - - 1 2
<br />MW-3 08/02/11 3.85 9.35 0.00 -5.50 1,700 310 6 1 5 2 - - - 1 2
<br />MW-3 02/03/12 3.85 9.58 0.00 -5.73 370 3 0.6 <0.5 0.9 <0.5 - - - 1 2
<br />MW-3 08/09/12 3.85 10.70 0.00 -6.85 3,600 42 8 55 17 <5 - - - 1 2
<br />MW-3 03/14/13 3.85 8.50 0.00 -4.65 3,600 81 10 13 15 <3 - - - -
<br />MW-3 09/25/13 3.85 11.20 0.00 -7.35 3,900 24 5 25 9 0.6 - - - - 1 0
<br />MW-3 03/18/14 3.85 9.11 0.00 -5.26 - 390 <0.5 <0.5 <0.5 <0.5 <0.5 - - - - 11
<br />MW-3 09/29/14 3.85 12.40 0.00 -8.55 2,600 2 1 0.8 2 <0.5 - - - 1 2
<br />MW-3 03/25/15 3.85 9.33 0.00 -5.48 970 <0.5 <0.5 <0.5 <0.5 <0.5 - - 1 9
<br />MW-3 09/28/15 3.85 13.02 0.00 -9.17 - 2,400 0.9 <0.5 <0.5 0.8 <2 - <2 <2 24
<br />MW-3 03/28/16 3.85 8.50 0.00 -4.65 55 <0.5 <0.5 <0.5 <0.5 <2 - <2 <2 1 2
<br />MW-3 09/26/16 3.86 12.47 0.00 -8.62 - 1,900 0.5 <0.6 <0.5 <0.5 <2 - <2 <2 1.4
<br />MW-4 10/01/92 2.08 23.41 0.00 -21.33 - 9,000 2,100 200 410 410 - - -
<br />MW-4 11/30/92 2.08 22.82 0.00 -20.74 - - - - - - - -
<br />MW-4 12/28/92 2.08 21.76 000 -19.68 - - - - - - -
<br />MW-4 01/15/93 2.08 20.32 0.00 -18.24 52,000 5,900 2,100 1,600 7,100 - -
<br />MW-4 04/21/93 2.08 17.17 0.00 -15,09 - 130,000 7,900 7,800 3,000 19,000 - -
<br />MW-4 08/20/93 2.08 19.19 0.00 -17.11 44,000 5,300 3,700 1,800 8,700 - -
<br />MW-4 11/22/93 2.08 19.61 0.00 -17.53 35,000 4,500 2,900 1,700 8,600 - - -
<br />MW-4 02/17/94 2.08 17.89 0.00 -15.81 41,000 4,500 2,300 1,600 9,200 - - - -
<br />MW-4 05/23/94 2.08 17.42 0.00 -15.34 - 55,000 5,200 4,600 2,000 13,000 - - -
<br />MW-4 08/15/94 2.08 19.31 0.00 -17.23 - 34,000 3,800 2,700 1,400 8,100 - -
<br />MW-4 11/23/94 2.08 19.66 0.00 -17.58 - 36,000 4,300 3,200 1,600 8,500 - - -
<br />MW-4 02/23/95 2.08 16.71 0.00 -14.63 - 54,000 5,200 3,800 2,000 12,000 - - -
<br />MW-4 05/26/95 2.08 14.77 0.00 -12.69 - 64,000 4,900 4,300 2,400 13,000 - -
<br />MW-4 08/25/95 2.08 15.88 0.00 -13.80 - 73,000 5,200 4,100 2,500 14,000 - -
<br />MW-4 11/30/95 2.08 16.74 0.00 -14.66 - 73,000 4,200 3,500 2,000 12,000 - -
<br />MW-4 03/26/96 2.02 10.70 0.00 -8.68 48,000 3,300 1,600 1,300 6,100 - -
<br />MW-4 05/16/96 2.02 10.48 0.00 -8.46 - 43,000 3,800 2,000 1,300 6,500 - - -
<br />MW-4 08/22/96 2.02 14.18 aoo -12.16 46,000 3,800 2,400 1,600 8,800 - - -
<br />MW-4 11/05/96 INA 2.02 - - - -- - - - - - - -
<br />MW-4 02/25/97 2.02 8.78 0.00 -6.76 44,000 4,100 1,900 1,800 7,500 1,600 -
<br />MW-4 05/20/97 2.02 9.95 0.00 -7.93 - 46,000 3,400 1,700 1,500 7,200 <250 -
<br />MW-4 08/26/97 2.02 12.37 0.00 -10.35 - 34,000 5,400 540 2,000 1,900 250 -
<br />MW-4 11/05/97 2.02 13.60 0.00 -11.58 - 37,000 2,700 1,300 1,400 5,900 1,100 <2,500 <50
<br />MW-4 02/10/98 2.02 4.79 0.00 -2.77 15,000 1,600 220 720 1,900 <50 -
<br />MW-4 05/20/98 1.55 6.40 0.00 -4.85 - 22,000 2,600 140 1,100 1,000 410 <1,670 <33
<br />MW-4 08/12/98 1.55 8.71 0.00 -7.16 - 18,000 1,700 380 960 2,500 <25 -
<br />MW-4 12/01/98 INA 1.55 - -- - - - - - - - -
<br />MW-4 02/02/99 1.55 7.79 0.00 -6.24 1,800 2,200 430 1,100 3,100 1,100 - - -
<br />MW-4 05/20/99 1.55 7.66 0.00 -6.13 14,000 1,900 230 740 1,600 <2.5 - - -
<br />MW-4 09/01/99 1.55 10.41 0.00 -8.86 9,530 930 131 340 1,000 <125 - - -
<br />MW-4 12/07/99 1.55 10.76 0.00 -9.21 10,700 906 104 311 1,000 301 - -
<br />94054 GW Tables.xls
<br /> Page 8 of 28
<br /> Stan tec
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