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<br /> TABLE 2
<br /> GROUNDWATER ANALYTICAL DATA
<br /> j Knowles-Rock
<br /> j Stockton,California
<br /> Page 15 of 15
<br /> (in parts per billion)
<br />- i. s�,� S'm" f 3 f>se. •F=fix.. ",.Y.� •�C 1m� F 3 E - - f 3
<br /> VW-4 5/23/2002 1,600 23 8.2 8.2 20 <2.0..
<br /> Cont'd 8/26/2002 Not Sampled
<br /> 11/14/2002 2,500 41 11 1 34 7.4 Q-0
<br /> 2/19/2003 Not Sampled
<br /> 5/29/2003 1,900 25 8.0 26 65 <2.0
<br /> 8/27/2003 Not Sampled
<br /> 11/20/2003 1,900 47 15 38 94 <2-0
<br /> 2/25/2004 Not Sampled
<br /> 5/21/2004 830 20 6.6 21 40 <2.0
<br /> 8/25/2004 Not Sampled
<br /> 11/18/2004 710 17 7.1 14 30 <2.0
<br /> 2/24/2005 Not Sampled
<br /> 5/25/2005
<br /> VW-5 2/2/2000 21200 25 13 28 12 <5.0
<br /> 2/2/2000 goo 1.2 2.4 2.6 17 <5.0
<br /> 5/11/2000 920 1.8 3.5 4.7 78 <5.0
<br /> 8/16/2000 1,100 8.6 2.9 7.6 32 <5.0
<br /> 11/20/2000 400 13 1.8 6.8 7.7 <5,0
<br /> 3/8/2001 66039 1.0 5.1 17 <2.0
<br /> 5/24/2001 940 S.2 2.3 10 33 <2.0
<br /> 8/30/2001 Not Sampled
<br /> 12/7/2001 500 4.1 1.0 1 3.6 4.3 <2,0
<br /> 2/20/2002 Not Sampled
<br /> 5/23/2002 2,400 <0.5 13 1 21 380 <2.0
<br /> 8126/02-
<br /> 5/25/2005 Not Sampled
<br /> VW-6 11/18/1997 -- - -- <135
<br /> 2/25/1998 14,000,000 6,600 43,000 100,000 720,000 <30
<br /> 2/3/2000 28,000 420 840 410 2,600 <50
<br /> 5/11/2000 11,000 410 920 250 1,400 <100
<br /> 8/17/2000 35,000 640 1,200 700 4,100 <100
<br /> 11/21/20001 43,000 1 580 1,700 1 710 1 3,900 1 <40
<br /> 3/8/2001 63,000 1,500 8,900 1,200 7,200 <100
<br /> 5/25/2001 68,000 1,200 9,000 1,500 9,000 <too
<br /> 8/30/2001 Not Sampled
<br /> 12/7/2001 50,000 400 960 1 730 3,800 <50
<br /> 2/20/2002 Not Sampled
<br /> 5/23/2002 13,000 10 51 43 1,500 <40
<br /> 8/27/2002 40,000 590 810 1,100 5,300 <20
<br /> 11/14/2002 54,000 680 1,200 1,400 7,400 <100
<br /> 2/19/2003 Not Sampled
<br /> 5/29/2003 41,000 510 780 1,200 4,900 <100
<br /> 8/27/2003 Not Sampled
<br /> 11/20/2003 180,000 24,000 34,000 1 3,400 22,000 L <40
<br /> 2/25/2004 Not Sampled
<br /> 5/21/2004 29,000 880 920 2,000 7,300 1 <100
<br /> 8/25/2004 Not Sampled
<br /> 11/18/2004 34,000 980 1,500 1 730 2,200 X10
<br /> 2/24/2005 Not Sampled
<br /> 5/25/2005
<br /> NOTES.
<br /> TPHgf Total petroleum hydrocarbons as gasoline
<br /> MTBE Methyl tert•butyl ether
<br /> < - Less than indicated detection limit
<br /> Not Analyzed
<br /> ° Gasoline is primarily composed of benzene
<br /> "* = Gasoline is primarily composed of methyl tert-butyl ether
<br />
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