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<br /> HISTORICAL GROUNER ANALYTICAL DATA
<br /> Cohn Property
<br /> Stoddon,California
<br /> Sample Date of TPH as Aroma-tic Volatile Or anlcs Seven Fuel Oxygenates
<br /> ID Sampling Gasoline Benzene Toluene Ethyl- Total RIPE ETBE MTBE TAME TBA Methanol q41n
<br /> Benzene Xyfenes
<br /> 1L L IL IL L L 1L
<br /> MW 6 12/14/00 170,000 10,000 9,200 4,500 23,000 <100 <100 <100 <100 <1,000 -6/19/01 160,000 4,300 12,000 5 400 35 000 <100 <100 <100 <100 <1,000 -
<br /> 9125101 140,000 7,500 6,100 4,100 23,000 <100 <100 <100 <100 <1,000 -
<br /> 12/17/01 100 000 8 500 2 900 4 000 21,000 <200 <200 <200 <200 <2 000 - -
<br /> 4/4102 210 000 7 300 8,200 5,300 34,000 <200 <200 <200 e200 c2,000 --- -
<br /> 6125102 100,000 12,000 6,400 5,100 27,000 <200 <200 <200 <200 <2,000 - -
<br /> 91024l02 140 000 12 000 1 600 5,100 22,000 <200 <200 <200 <200 <2 000 - -
<br /> 1214102 150 000 13,000 920 4,700 20,000 <400 <400 <400 <400 <4 000 - -
<br /> 313103 180,000 15,000 570 5,400 21,000 <200 <200 <200 <200 <2,000 -
<br /> 6/11/03 130 000 12,000 310 4,500 16,000 <200 <200 <200 <200 <2 000 --- -
<br /> 9/9/03 150,000 13,000 500 5 000 14,000 <200 <200 <200 <200 <2,000 ---
<br /> 1213/03 110,000 14,000 500 4 900 15,000 <200 400 <200 <200 4,000 - -
<br /> 3126/04 80,000 11,000 180 3,600 12,000 <200 <200 <200 c200 <2,000 <20 c20
<br /> 6122/04 73 000 12,000 200 4,000 11 000 <500 - - -
<br /> 9123104 66,000 8,800 230 4 500 12,000 <500 -
<br /> 1217104 52,000 9 300 170 4,000 9,700 <500
<br /> 314105 55,000 11 000 180 4 800 10 000 <250 - - - -
<br /> 6130105 70,000 9,700 690 4,200 9,900 <0 50 <0 50 <0 50 <0 50 160 - -
<br /> 9/19105 62 000 11,000 810 3,700 10,000 <0 50 <0 50 <0 50 <0 50 <5 0 -- -
<br /> 12/8105 62,000 12,000 610 4200 9 500 <10 00 <10 <10 <100 <20 <20
<br /> 321!06 38,000 6,800 240 2,400 8,700 <100 <100 <100 000 0,200 - <25000
<br /> MW 7 12/14/00 160,000 19 210 380 1,800 c20 <20 <20 420 <200 -
<br /> 6/19/01 630 23 2 6 77 43 <10 <10 <10 <10 <100 ---
<br /> 9/25101 900 060 <0 50 <0 50 <0 50 <2 0 <2 0 <2 0 <2 0 <20 - -
<br /> 12/17/01 760 17 24 7 0 5 3 <10 <10 <10 <10 <100
<br /> 4/4102 2 600 63 72 60 10 00 <10 <10 <10 000 -
<br /> 6125102 990 23 12 3 5 13 <2 0 <2 0
<br /> <20 c2 p <20 -
<br /> 9/024/02 2,900 160 33 32 11 <20 4 0 <20 <2 0 <20 - -
<br /> 12/4/02 18,000 370 190 690 2000 <20 <20 <20 <20 <200 -
<br /> 313/03 13,000 320 56 430 960 <20 <20 <20 <20 <200 -
<br /> 6111103 3,600 50 130 46 180 <20 <20 <20 c20 <200 -
<br /> 9!9103 6,500 60 45 94 140 <20 <20 <20 <20 <200 -
<br /> 1213103 35 000 250 81 880 2,900 <40 <4 0 c40 <40 <40 -
<br /> 3125104 8,700 35 11 130 360 <40 <40 <40 <40 <400 <40 <40
<br /> 6!22104 15 000 110 50 550 1600 100 --- - - --. - -
<br /> 9123/04 20,000 250 140 810 2600 <40 <40 <40 <40 <40
<br /> 12(7104 19,000 330 140 690 2200 <100
<br /> 314105 6 000 19 120 150 660 <50
<br /> 6130105 2,700 2 8 29 57 140 c0 50 <0 50 <0 50 <0 50 <5 0
<br /> 9/19/05 13 000 190 330 690 1 800 <0 50 <0 50 <0 50 <0 50 <5 0
<br /> 12/8/05 21,000 220 440 810 2,600 <5 0 <5 0 <50 e50 <50 <2 0 <2 0
<br /> 321/06 8,900 260 68 870 770 <10 <10 <10 <10 <120 - <2,500 /
<br /> APEXENWROTECH INC
<br /> PRESULTS REPORT
<br /> Page 4 of 1 D
<br /> COH01001
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