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HISTORICAL GROUN ER ANALYTICAL DATA •
<br /> Cohn Property
<br /> Stockton,Caltfomia
<br /> Sample Date of TPH as Aromatk Yolad a rgan cs Seven Fuel xygenaLn
<br /> in Sampling Gasoline Benzene Toluene Ethyl- Total DIPE ETRE MTBE TAME TBA Methanol Ethanol
<br /> Benzene xytenes
<br /> /L L !L L 1L
<br /> S&1 W 8127101 <50 <0 50 <0 50 <0 50 <0 50 <20 <2 0 <2 0 <2 0 <20 -
<br /> S&2 W 8126/01 450 <0 50 c0 50 -CO 50 <0 50 <20 <2 0 <20 <2 0 <20 - -
<br /> 5B•3 W 8131101 <50 <0 50 <0 50 <0 50 <0 50 <20 <2 0 <2 0 <2 0 420 - -
<br /> SBA W 8128101 17,000 5,000 72 320 770 <20 <2 0 <2 0 <2 0 <20 -
<br /> -;2ad# ,EAB
<br /> CPT 2-67 6116103 57,000 3 800 3,300 1,300 2,600` <20 <20 <20 <20 e20D420 <20
<br /> CPT-2-89 6116103 <50 <0 50 <0 50 <0 50 <1 0 <20 <2 0 <2 0 <2 0 420 <2 0 <2 0
<br /> CPT-2 100 6116/03 130 12 070 27 71 <2 0 <2 0 <2 0 <2 0 <20 <2 0 <2 0
<br /> CPT 2 145 6116/03 <50 <0 50 <0 50 <0 50 <1 0 <20 <2 0 <2 0 <2 0 <20 <2 0 <2 0
<br /> CPT-3.65 6117103 220 12 <0 50 <0 50 <1 0 <20 <2 0 <20 <2 0 <20 <2 0 <2 0
<br /> CPT 3-67 6117M <50 c0 50 <0 50 <0 50 '10 <2 0 <2 0 <2 0 <2 0 <20 <2 0 <20
<br /> CPT 3-87 6117103 <50 CO 50 <0 50 <0 50 410 <2 0 <2 0 <2 0 <2 0 <20 <2 0 <2 0
<br /> CPT 3-99 6117103 <50 <0 50 <0 50 <0 50 <1 0 <2 0 <20 <2 0 c2 0 <20 <2 0 <2 0
<br /> CPT 3 147 6/17/03 450 <0 50 <0 50 <0 50 <1 0 <2 0 <20 <2 0 c20 <20 <2 0 <2 0
<br /> CPT 4-65 6118103 34,000 2,000 710 940 4 400 <2 0 Q 0 <2 0 <20 <20 <2 0 c2 0
<br /> CPT-4-88 6118103 24,000 1500 48 840 1,200 <20 <20 <20 <20 4200 <20 <20
<br /> CPT 4-99 6118103 510 26 80 77 34 <2 0 <2 0 <2 0 <20 <20 <20 <2 0
<br /> CPT 4 144 6118103 50 19 18 070 28 <2 0 <2 0 <2 0 <2 D 420 <20 <2 0
<br /> CPT 5 85 6119103 4,800 21 57 50 30 <2 0 <2 0 <2 0 <2 0 <20 <20 <2 0
<br /> CPT 5 99 6119103 160 34 46 13 74 <20 <2 0 421 <2 0 <211 <2 0 420
<br /> CPT 5A 123 6/19103 <50 <0 50 <0 50 <0 50 <1 0 <2 0 <20 <2 0 <2 0 <20 <2 D1--<20
<br /> ASW 1 11/16/98 56,000 3,200 5 100 2,200 13,000 41,000 41,000 41,000 <1,000 41,000 - -
<br /> 417/99 52,000 1,810 824 2,810 9,110 <100 <100 <100 <100 <10,000 - -
<br /> 5130100 96 000 680 1,500 2,700 16,000 <200 4200 4200 <200 42,000 --- -
<br /> 12/14/00 170,000 7300 1,000 2,600 13,000 <100 <100 <100 <100 41000 ---
<br /> 6/19101 62,000 520 5,100 2,000 8900 <100 <100 4100 <100 41,000 - -
<br /> 9/26101 58000 800 1,500 1,500 6,900 <100 <100 4100 <100 <1,000 - -
<br /> 12118-01 280,000 25 000 36 000 4,100 25,000 41,000 41,000 41,000 41,000 <10,000 - -
<br /> 414/02 140,000 11 D00 10 000 3,300 18,000 <400 <400 <400 4400 <4,000 - -
<br /> 6/25IO2 57 000 3,700 1,000 820 3,600 <100 <100 <100 <100 41,000 - -
<br /> 9124102 77,000 5,400 6,400 2,000 5 DDO <200 <200 <200 <200 42,000 - -
<br /> 1214/02 56,000 4,500 620 1,900 4 400 <100 <100 4100 <100 41,000 - -
<br /> 313/03 72,000 4,900 1,100 2,000 4,900 450 450 <50 450 <500 - -
<br /> 6111103 47,000 1900 250 780 2,200 450 <50 <50 <50 <500 - -
<br /> 919103 38,000 880 110 750 1,400 <50 <50 <50 <50 <500 - -
<br /> 12/3/03 38 000 2,300 33 1,200 2000 <40 <40 <40 <40 <400 -
<br /> 3126104 41,000 2,700 250 1700 3,100 <40 <40 <40 <40 <400 <40 <40
<br /> 8122/04 35 000 6,800 47 1,200 1,600 <250 - - - - - -
<br /> 9I23/04 26000 4600 46 1,400 1,900 <250 -
<br /> 1217104 30 000 5,400 51 1 500 2000 <500 - - - - -
<br /> 3/4/05 26,000 840 160 1200 2,500 <100 - - - - - -
<br /> 6/30105 28 000 4 000 760 2,000 3,700 '050 <0 50 <0 50 <0 50 85 - -
<br /> 9119105 20 000 4100 100 1,800 2 500 <0 50 <0 50 <0 50 <0 50 <5 0 --- ---
<br /> 12/8105 39,000 3,900 200 2 600 4 100 <5 0 <5 0 <5 0 <5 0 <50 <20 <2 0
<br /> 30106 27,000 2,100 tib 2,800 3,720 <50 <50 <50 <50 <600 - <12,000
<br /> i
<br /> APEX EWROTECH IMC
<br /> RESULTS REPORT
<br /> Page 1 o1 10 COH01 001
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