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- TABLE 4
<br /> ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES - 8015m, 8020m
<br /> West Clay Property ;
<br /> 639 West Clay Street, Stockton, California
<br /> x- (lig/l)
<br /> We'll Date Dephto TPH as TPH as TPH as TPH as MTBE Benaeno Tia um t Al xAengs
<br /> 8 1 0 w AGO a8s0ae- Diesel Motor-Qd Oil&c bin E
<br /> interval Orem
<br />'
<br /> MW-2 04/04/94 3644 J 81,000 11,600' --- 14,400' -- 3,400 10,400 3,200 2,900
<br /> (40-60) 12/16/94 3793 NS --- - - - NS NS NS NS
<br /> 03/31/95 3118 NS -- - - - NS NS NS NS
<br /> 10/31/95 2934 35,000 --- --- - --- 2,100 4,200 1,000 3,500
<br /> 05/06/96 2497 NS -- -- - - NS NS NS NS
<br /> 05/27/97 2142 17,000 2,000 <250 <5,000 58 1,100 1,500 230 2,200
<br /> 11/17/97 2236 18,000 2,300 320 --- <0 1,000 1,600_ 370 3,300
<br /> 02/26/98 1746 r 18,000 2,900 - - 62 1,700 880 <0 5 3,100
<br /> 08/31/98 1751 47,000 4,600 - - - <200 5,100 5,600 2,100 7,700
<br /> 02/09/99 1752 21,000 760 - - <80 1,800 2,000 720 3,000
<br /> 05/28/99 17 03 21,000 3,300 - - <50 2,500 1,900 620 3,700
<br /> 10/28/99 1918 19,000 2,700 -- - <200 2,000 1,400 290 3,200
<br /> 01/25/00 1890 18,000 1,700 - --- <10 2,000 1,500 620 2,800
<br /> 07/12/00 1734 22,000 2,000 - -- ND<200 2,100 1,800 660 3,000
<br /> 12/18/00 1893 - 22,000 1,700 - --- <200 2,300 1,800 600 2,500
<br /> _03/13/01 17 71 - 8,300 1,000 - <60 970 440 270 270
<br /> 05/30/01 1922 6,400 990 -- - <35 710 360 210 620
<br /> 08/28/01 1954 14,000 2,500 - --- <20 1,400 890 810 2,000
<br /> 11/28/01 2020 9,300 1,500 --- <150 440 180 610 1,200
<br /> ' S
<br /> Advanced GeoEmironmental,Inc
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