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TABLE 2
<br /> CUMULATIVE ANALYTICAL RESULTS - GROUNDWATER
<br /> San Joaquin County Parking Garage, 130 N. Hunter Street, Stockton, California
<br /> OXYGENATES
<br /> SAMPLE DATE ETHYL-
<br /> LOCATION SAMPLED TPH-G BENZENE TOLUENE BENZENE XYLENESMTBE DIPE ETBE TAME TBA 1 ,2-DCA TPH-D TPH-MO TPH-K
<br /> GA 02/02/01 160,000 5,100 190 21600 21600 ND<50 ND<50 ND<50 ND<50 ND<500 NA ND<60,000 N0<1 ,000 53,000
<br /> G-2 02/02/01 2,200 6.8 ND<5 14 25 ND<5 ND<5 ND<5 ND<5 ND<50 NA ND<1 ,000 ND<100 1 ,000
<br /> G-3 02/02/01 50,000 11900 220 61400 55700 ND<20 ND<20 ND<20 ND<20 ND<200 NA ND<120,000 ND<11000 110,000
<br /> MW-1 07/24/02 69,000 550 960 2,700 5,200 ND<5 ND<5 ND<5 ND<5 ND<50 9.1 ND<50 ND<500 NA
<br /> 11 /25/02 140,000 510 790 13400 11000 ND<5 ND<5 ND<5 17 ND<50 NA 21000 ND<500 NA
<br /> 02/19/03 299000 390 ND<100 710 560 ND<5 ND<5 ND<5 ND<5 ND<50 ND<5 ND<50 ND<500 NA
<br /> 05/09/03 12,000 240 26 460 330 ND<5 ND<5 ND<5 ND<5 ND<50 ND<5 ND<50 ND<500 ND<250 /
<br /> 09/12/03 119000 240 ND<50 430 240 ND<5 ND<5 ND<5 ND<5 ND<50 NA ND<50 ND<500 2,300*
<br /> 12/11/03 13,000 430 65 700 340 ND<5 ND<5 ND<5 ND<5 ND<50 NA ND<50 ND<500 2,400*
<br /> MW-2 07/24/02 120,000 490 500 41500 11 ,000 ND<5 ND<5 MND<0.5ND<0.5
<br /> ND<50 15 ND<50 ND<500 NA
<br /> 11 /25/02 160,000 11400 660 35400 6,000 ND<5 ND<5 ND<50 NA ND<50 ND<500 NA
<br /> 02/19/03 58,000 650 ND<400 33200 5,900 ND<5 ND<5 ND<50 ND<5 ND<50 ND<500 NA
<br /> 05/09/03 330000 580 94 31600 6,800 ND<5 ND<5 ND< O 17 ND<50 ND<500 4,200*
<br /> 09/12/03 30,000 460 62 21700 41200 ND<5 ND<5 ND<50 NA ND<50 ND<500 59100*
<br /> 12/11/03 26,000 510 ND<100 2,900 41900 ND<0.5 ND<0.5 ND<5 - NA ND<50 ND<500 4,300*
<br /> MW-3 07/24/02 170,000 1 ,400IND<
<br /> 3,300 69000 ND<5 $.4 ND<5 ND<5 ND<50 38 ND<50 ND<500 NA
<br /> 11/25/02 350,000 2,400 4,900 12,000 No<s 9.4 ND<5 ND<5 ND<50 NA ND<50 ND<500 NA
<br /> 02/19/03 58,000 11700 0 2,500 4,500 ND<5 8.8 ND<5 ND<5 ND<50 ND<5 ND<50 ND<500 NA
<br /> 05/09/03 36,000 ' 17700 2,600 41700 ND<5 6.2 ND<5 ND<5 ND<50 ND<5 ND<50 ND<500 51900*
<br /> 09/12/03 32,000 1 ,700 2,700 41800 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 NA ND<50 ND<500 51900*
<br /> 12/11 /03 232000 19700 0 2,200 3,900 ND<50 ND<50 ND<50 ND<50 ND<500 NA ND<50 ND<500 - 81$00*
<br /> MW,4 07/24/02 ND<50 ND<0,5 ND<0.5 ND<0.5 1ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<0.5 ND<50 ND<500 NA
<br /> 11/25/02 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 NA ND<50 ND<500 NA
<br /> 02/19/03 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<5 ND<5 ND<5 ND<50 ND<5 ND<50 ND<500 NA
<br /> 05/09/03 ND<50ND<0ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<0.5 ND<50 ND<500 ND<250
<br /> 09/12/03 ND<50ND<05ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 NA ND<50 ND<500 ND<250
<br /> 12/11 /03 ND<SO ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 NA ND<50 ND<500 ND<250
<br /> NOTES: All results are reported in micrograms per liter (ug1l), which translates to parts per billion (ppb)
<br /> Total Petroleum Hydrocarbons as Gasoline (TPH-G) and Benzene, toluene, ethylbenzene, xylenes (BTEX) analyzed by EPA Methods 8020/8015M or 82608
<br /> Oxygenates: Methyl teriary butyl ether (MTBE), Di-isopropyl ether (DIPS), Ethyl-t-butyl ether (ETBE), Tert-amyl methyl ether (TAME) and Tert-butanol (TBA) analyzed by EPA Method 82608
<br /> 1 ,2-Dlchloroethane (1 ,2-DCA) analyzed by EPA Method 82608
<br /> TPH-Diesel (TPH-D), TPH-Motor Oil (TPH-MO), and TPH-Kerosene (TPH-K) analyzed by EPA Method 8015M
<br /> * The sample chromatogram does not resemble typical kerosene.standard chromatogram. All peaks were interegrated within the range. The result is an estimated value,
<br /> ND<100 = Not Detected at reporting limit of 100 ppb
<br /> NA = Not analyzed for specified compound
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