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<br /> Groundwater Monitoring Data and Analytical Results
<br /> Former Unocal Service Station#5098 R
<br /> 5606 Pacific Avenue
<br /> Stockton, California
<br /> Well ID/ Date DTW GWE TPN(G) B T F X MTBE 1,2-DCK
<br /> TOC* (ft) (riis]) <---- ------------- b -- 9
<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 5773 -4651 83,000 18,000 24,000 2,100 13,000 - 300
<br /> 09/29/93 59 11 -4789 51,000 8,300 7,200 1,300 4,000 -- 77
<br /> 12/20/93 5364 -4242 100,000 17,000 23,000 1,800 16,000 - 280
<br /> 03/29/94 4965 -3843 87,000 14,000 17,000 1,700 9,700 -- 220
<br /> 06/28/94 55 12 -4390 86,000 15,000 20,000 1,700 11,000 - 310
<br /> 09/14/94 5777 -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 a --
<br /> 12/19/95 4672 -3550 32,000 6,500 2,400 920 4,100 -5 -
<br /> 03/11/96 4322 -3200 -- -- - -- -- - -
<br /> 06/19/96 4541 -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 4258 -31 36 30,000 6,500 780 740 4,300 ND -
<br /> 09/16/97 4449 -3327 50,000 15,000 1,100 720 7,700 2,400 -
<br /> 09/15/98 3879 -2757 24,000 6,900 430 360 2,500 aND/ND 7 --
<br /> MW-12 06/03/922 -- -- 23,000 2,300 2,000 840 1,700 - 92
<br /> 09/30/92 -- -- 15,000 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 2,900 1,900 700 1,400 - ND
<br /> 1098 06/28/93 5732 -4634 22,000 1,300 920 500 1,800 - 87
<br /> 09/29/93 5878 -4780 20,000 1,200 840 660 1,400 - ND
<br /> 12/20/93 5252 -41 54 31,000 1,600 720 320 1,900 - ND
<br /> 03/29/94 4948 -3850 36,000 3,400 3,500 650 3,200 -- ND
<br /> 06/28/94 5473 4375 25,000 760 820 340 2,200 -- ND
<br /> 09/14/94 5738 -4640 23,000 1,200 720 540 1,800 -- ND
<br /> 12/06/94 52 10 -41 12 20,000 540 390 150 1,200 - -
<br /> 02/09/95 49 18 -3820 22,000 550 700 280 1,400 - -
<br /> 5098 x1s/112M6 2 As of 09/15/98
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