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' TABLE 2 <br /> GROUNDWATER ANALYTICAL DATA <br /> Knowles-Rock <br /> ' Stockton, California <br /> . Page 2 of 15 <br /> (in parts per billion) <br /> g J[Ig Benzene toluene Ut ylbenz <br /> C.3u .... <br /> MW-2 7/23/1997 76,000 10,000 1,200 2,800 14,000 <100 <br /> Cont'd 11/21/1997 92,000 7,900 4,500 2,900 15,000 <20 <br /> 2/27/1998 2,600 68 18 30 150 <5.0 <br /> ' 5/6/1998 1 2,400 97 34 16 140 �= <br /> 8/12/1998 2,000 100 87 43 210 <br /> I1/10/1998 4,400 280 210 130 530 -- <br /> 2/12/1999 790 110 14 16 74 -= <br /> 5/4/1999 850 54 46 46 100 <br /> 8/3/1999 710 59 40 38 93 -- <br /> 11/1[7/1999 110 6.9 <0.5 <0.5 3.8 <5.0 <br /> 2/4/2000 210 38 1.3 5.1 5.4 <5.0 <br /> 5/9/2000 6,600 760 170 510 700 <25 <br /> 8/15/2000 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> 11/22/2000 290 32 <0.5 9.8 7.1 <5.0 <br /> 3/7/2001 5,200 440 140 180 600 <4.0 <br /> ' 5/24/2001 3,100 510 170 120 320 <2.0 <br /> 8/30/2001 81 6.2 1.1 1.3 5.6 <2.0 <br /> 12/6/2001 Not Sampled <br /> 2/21/2002 540 89 5.4 1 27 49 <2.0 <br /> 5/22/2002 Not Sampled <br /> 8/27/2002 290 1 20__L ll 1 12 41 <2.0 <br /> 11/3/2002 Not Sampled <br /> 2/20/2003 4,200 230 35 150 330 66 <br /> 5/29/2003 Not Sampled <br /> ' 8/28/2003 2,000 75 49 1 46 180 <2.0 <br /> 11/19/20031 Not Sampled <br /> 2/26/2004 4,600 660 6.4 1 160 310 <2.0 <br /> ' 5/20/2004 Not Sampled <br /> MW-3 5/16/95- Not Sampled <br /> 11/9/1995 -- <br /> 2/8/1995 350 <0.5 <0.5 <0.5 <0.5 <br /> 4/24/1996 110 <0.5 <0.5 <0.5 <0.5 -- <br /> 8/7/1996 140 <0.5 <0.5 <0.5 <0.5 -- <br /> ' 11/5/1996 190 1.7 <0.5 <0.5 <0.5 -- <br /> 2/5/1997 180 30 <0.5 <0.5 <0.5 -- <br /> 5/7/1997 270 100 <0.5 <0.5 <0.5 -- <br /> ' 7/23/1997 620 120 <0.5 <0.5 <0.5 <5.0 <br /> 11/20/1997 550 59 <0.5 <0.5 <0.5 <5.0 <br /> 2/27/1998 770 86 <0.5 6.3 20 <5.0 <br /> 5/6/1998 640 50 <0.5 10 52 19 <br /> 8/12/1998 690 220 <0.5 44 49 27 <br /> 11/10/1998 1,600 360 1 <1.0 1 11 47 220 <br /> ' 2/12/1999 6,000 4,600 54 160 740 1,600 <br /> 5/4/1999 4 604 3,700 10 68 96 1 400 <br />