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Groundwater Monitoring Data and Analytical Results
<br /> Former Unocal Service Station #5098
<br /> 5606 Pacific Avenue -
<br /> Stockton, California
<br /> Well ID/ Date DTW GWE TPH(G) B T E X MTBE 1,2-DCE
<br /> TOC* (ft) (msl) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb)
<br /> j
<br /> MW-10 09/15/98 3840 -2664 ND ND ND ND ND ND/ND7 ND9
<br /> (cont) 12/22/98 3312 -2136 ND ND ND ND ND ND/ND7 ND
<br /> 03/18/99 3122 -1946 ND ND ND ND ND -- ND
<br /> I
<br /> MW-11 06/03/922 -- -- 620 150 70 26 68 - 680
<br /> 09/30/92 - 42,000 8,800 6,200 1,600 4,400 - 56
<br /> 12/30/92 -- -- 84,000 20,000 27,000 2,400 14,000 - 330
<br /> 1158 03/25/93 53 59 -4201 78 000 18,000 23,000 2,100 12,000 190
<br /> 1122 06/28/93 57 73 -4651 83 000 18 000 24,000 2,100 13,000 - 300
<br /> 09/29/93 59 11 -47 89 51 000 8 300 7200 1,300 4,000 77
<br /> 12/20/93 53 64 -4242 100,000 17 000 23,000 1,800 16,000 280
<br /> 03/29/94 49 65 -38 43 87,000 14,000 17,000 1,700 9,700 220
<br /> 06/28/94 55 12 -43 90 86,000 15,000 20,000 1,700 11,000 - 310
<br /> 09/14/94 57 77 -4655 88,000 12,000 18,000 2,200 11,000 - 180
<br /> 12/06/94 5226 -41 04 75,000 11,000 17,000 1,500 11,000 -- --
<br /> 02/08/95 4932 -38 10 96,000 11 000 19,000 1,800 10,000 -- --
<br /> 06/21/95 5031 -3909 71,000 15,000 19 000 1,500 12,000 -- -
<br /> 09/19/95 5249 -41 27 53,000 8,700 9,500 940 6,800 --4 --
<br /> 12/19/95 4672 -35 50 32,000 6,500 2,400 920 4,100 --5
<br /> 03/11/96 43 22 -3200 -- -- -- -- -- --
<br /> 06Y 19/96
<br /> -06/19/96 45 41 -34 19 36,000 5,900 1 000 800 4,500 150 -
<br /> 09/17/96 4752 -3630 36,000 8,300 4,500 1,100 5,600 390 -
<br /> 12/05/96 42 58 -31 36 30,000 6,500 780 740 4,300 ND -
<br /> 09/16197 4449 -33 27 50,000 15,000 1,100 720 7,700 2,400 -
<br /> 09/15/98 38 79 -27 57 24,000 6,900 430 360 2,500 'NDIND7 --
<br /> 12/22/98 32 65 -21 43 20,000 5,600 230 330 1,500 8NDIND7 --
<br /> 03/18/99 3066 -1944 13,000 6,200 210 260 1,700 --
<br /> MW-12 06103/92' -- -- 23,000 2,300 2000 840 1,700 -- 92
<br /> 09/30/92 - - 16,000 1,700 1,000 590 880 -- 24
<br /> 12/30/92 -- -- 23,000 3 200 1 200 560 1,800 32
<br /> 11 19 03/25/93 53 28 -4209 21,000 2,800 1,900 700 1,400 -- ND
<br /> 1098 06/28/93 57 32 -4634 22,000 1,300 920 500 1,800 - 87
<br /> 5098 xls//{280046 2 As of 03/18/99
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