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4_
<br /> - _ = TABLE 4 =
<br /> ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES
<br /> TPH and BTEX
<br /> - West Clay Property
<br /> = u 639 West Clay Street, Stockton, California
<br /> Well 1D --Date- Depth to TPH as TPH as MTBE Benzene Toluene-, 1 thyl G Xylenes
<br /> Screen interval) -bund water -Gasoline, _ Diesel = benzene -
<br /> MW-15A -_- 12/26/02 - _ 17 95 <50 440 NA _ <0 5 <0 5 <0 5 <0 5
<br /> 03/14/03 1149 <50- 11,000 NA r <0 5 <0 5 <05- <0 5
<br /> -06/19/03 , 1718 ' - --<50- <50 NA - <0 5 <0 5 .<05 <0 5
<br /> _ _ =
<br /> 09/12/03- 1794 <50 <50 NA <0 5 - <0 5 <0 5 <0 6
<br /> 11/13/03 ' 1824 <50 <50 NA <0 5 - <0 5 1 <0 5 <0 6 -
<br /> MW-15B 12/26/02 _ 2170 <50 1,100 NA <0 5- <0 5 <0 5 <0 5
<br /> 03/14/03 - 1822 <50 190 NA <0 5 <0 5- _ <0 5 <0 5 -
<br /> 06/19/03 1781_ <50=_ <50 NA <0 5 <0 5 <0 5 <0 5
<br /> 09/12/03 18 84 u <50 <50 NA <05 , <0 5 <0 5 <0 6 ;'
<br /> 11113103, 1904 <50 <50 NA <0 5 <0 5 -<0 5 <0 6
<br /> EW-1 - _ 08/11/00-- - -1600 _ 73,000 14,000 <130 1,400 17,000 2,400 12,000
<br /> _
<br /> _(10-30)_ 12/18/00 1700 14,000 14,000 22 1,600 14,000 2,300 11,000
<br /> _ = _ 03/13/01 __ 1571 �_ ' 39,000 4,300 280 970 7,000 1,300 5,300
<br /> 05/30/01 - - 1639- x 38,000 8,000 280 1,200 6,100 1,700 7,500 - t
<br /> 08/28/01 17 67 65,000 _ 5,500 - <400 1,700 = 9,500 -2;600 11;000 J
<br /> s 11/28/01 1850 - 53,000 8,300 590 2,000 --12,000 2,800 - 12,000
<br /> 02/27/02 1681 39,000 5,900 350 1,300 5,400 1,800 6,700
<br /> - 05/28/02 1707 31,000 7,400 <500 - 1,200 3,900 1,800 7,200
<br /> 09/03/02 1829 50,000 12,000 420 1,700 6,500 2,200 9,100 '
<br /> -
<br /> 12/26/02- 1848 - _ 14,000 2,700 NA 620 1,300 800 - 3,100 Er
<br /> - ` 03/14/03 1795 _8,300- - 11,000 NA 500 400 _ 540 _ 1,800 _
<br /> 06/19/03 1767 , 86,000 29,000 NA 720 1,600 800 3,320
<br /> _ 09/12/03 1852 42,000 19 NA 960 420 560 6,500
<br /> 11/13/03- i ' 1881 - NS y NS NA NS NS NS NS-- t
<br /> t
<br /> Advanced GeoEnvironmentai,Inc
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