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TABLE 2 _ <br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES EPA Method 80151802018260 <br /> Den's Auto Repair- 308 South El Dorado Street, Stockton, California i <br /> Well Sample ' Ground Screen TPH-g Benzene[ol5enel Ethyl- Xylene MTBE D1PE -ETBE TAME_ TBA Methanol Ethanol EDB 12_ <br /> I D Date Water Interval benzene 8260 F DCA <br /> Depth (feet - <br /> W lA 09-24-97 3040 65-60 13,000 3,300 200 700 380 <125 <125 <125 <125 <625 <br /> 04-09-98 2540 23,000 3,500 180 940 340 <15 <15 <15 <15 <150 <br /> 11-20-98 2510 21,000 3,200 83 1,000 290 <80 <80 <80 <80 <80 <br /> 09-23-99 2444 7,115 1,075 56 500 70 2,160 5.0 <0 5 <0 5 <0 5 -- -- -- <br /> 12-30-99 2490 5,730 775 28 170 14.3 1,220 64 <0 5 <0 5 <0 5 <br /> 03-30-00 2290 14,600 310 30 193 74 <0 5 30 <0 5 <0 5 <10 -- -- <5 0 <5 0 <br /> 04-09-01 2376 6,080 1,284 62 300 106 <0 5 <0 5 <0 5 <0 5 <10 <25 <25 <0 5 <0 5 <br /> 10-18-01 ,2568 13,000 1,300 64 350 150 <2 5 <2 5 <2 5 <2 5 <12 S <1,250 <125 <2 5 <2 5 <br /> W 1 B 09-24-97 3008 45-25 feet 7,000 320 41 250 170 <12 5 <12 5 <12 5 <12 5 <62 5 -- -- -- -- <br /> 04-09-98 2526 2,200 42 4.9 17 19 <1 0 <1 0 <1 0 <5 0 14 <br /> 11-20-98 2496 910 52 ' 3.5 54 11 <1 0 18 <1 0 <1 0 23 <br /> 09-23-99 24 15 4,770 55 25 <0 5 <0 5 350 15 <0 5 <0 5 <0 5 -- -- -- -_ <br /> 12-30-99 2488 830 14 A 56 10 15 136 05 <0 5 15 <0 5 <br /> 03-30-00 2292 2,600 70 25 10 7.0 <0 5 <0 5 <0 5 <0 5 <10 -- -- <5 0 <5 0 t <br /> 04-09-01 23 78 336 <0 5 <0 5 10 17 <0 5 <0 5 <0 5 <0 5 <10 <25' <25 <0 5 <0 5 <br /> 10-18-01 2548 430 <0 5 <0 5 073 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 <500 <50 <1 0 <1 0 <br /> W2A 09-24-97 3070 65-60 feet 11,000 1,900 55 260 990 <75 120 <75 <75 <375 -- -- -- -- <br /> 04-09-98 2564 9,400 2,100 48 70 110 <10 61 <10 <10 <100 -- -- -- -- <br /> 11-20-98 2547 5,900 140 28 54 53 <20 200 <20 <20 <100 -- -- <br /> 09-23-99 2482 4,720 95 10 <0 5 <0 5 130 170 <0 5 <0 5 <0 5 <br /> 12-30-99 2633 650 93 23 2 8 46 67 41 1.8 4.1 <0 5 -- -- -- -- <br /> 03-30-00 2333 -_ 2,990 175 54 76 93 <0 5 25 <0 5 <0 5 <10 -- -- <5 0 <5 0 <br /> 04-09-01 2418 1,590 145 55 64 11 <0 5 44 <0 5 <0 5 <10 <25 <25 <0 5 <0 5 <br /> 10-18-01 2609 410 38 20 2.2 4.1 <1 0 20 <1 0 <10 <5 0 <500 I <50 <1 0 <1 0 <br /> Notes Methyl-tertiary Butyl Ether(MTBE) _ <br /> Ground water depth measurements in feet tertiary-Amyl Methyl Ether(TAME) <br /> go micrograms per liter tertiary-Butanol(TBA) <br /> TPH-g—Total petroleum hydrocarbons quantified as gasoline ethylenedibromcde(EDS) <br /> Di-isopropyl Ether(DIPE), 1,2 dichloroethan(1,2-DCA) <br /> Ethyl tertiary-Butyl Ether(ETBE), <br /> _ Advanced GeoEnvironmentat,Inc <br /> - r v <br />