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<br /> 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 XYLENES MTBE RIPE ETBH TAME TBA 1,2-DCA TPH-D TPH-MO TPH-K
<br /> G-1 02/02101 160,000 5,100 190 2,600 2,600 ND<50 ND<50 ND<50 ND<50 ND<500 NA ND<60 000 ND<1 000 53,000
<br /> G-2 02/02/01 2,200 68 ND<5 14 25 ND<5 ND<5 ND<5 ND<5 ND<50 NA N0<1 000 ND<100 1,000
<br /> G-3 1 02/02/01 50,000 1,900 1 220 6,400 5,700 ND<20 ND<20 N0<20 ND<20 ND<200 NA ND<120 000 ND<1 000 110,000
<br /> MW-1 07/24/02 69,000 550 960 2,700 5,200 ND<5 ND<5 ND<5 ND<5 ND<50 91 ND<50 ND<500 NA
<br /> 11/25/02 140,000 510 790 1,400 1,000 ND<5 ND<5 ND<5 17 ND<50 NA 2,000 ND<500 NA
<br /> 02119/03 J1 29,000 390 ND<100 710 560 ND<5 ND<5 ND<5 ND<5 ND<50 ND<5 ND<50 ND<500 NA
<br /> MW-2 07124102 120,000 490 500 4,500 11,000 ND<5 ND<5 ND<5 ND<5 N0<50 15 N0<50 ND<500 NA
<br /> 11/25/02 160,000 1,400 660 3,400 6,000 ND<5 ND<5 ND<5 14 ND<50 NA ND<50 ND<500 NA
<br /> 02/18/03 58,000 650 1 ND<400 I 3,200 1 5,900 ND<5 ND<5 ND<5 ND<5 ND<50 ND<5 ND<50 ND<500 NA
<br /> MW 3 1 07/24/02 170,000 1,400 640 3,300 6,000 ND<5 84 ND<5 ND<5 ND<50 38 N0<50 ND<500 NA
<br /> 11/25/02 350,000 2,400 1,200 4,900 12,000 N0<5 94 ND<5 ND<5 ND<50 NA ND<50 ND<500 NA
<br /> 02119!03 1 58,000 1,700 ND<400 1 2,600 1 4,500 ND<5 88 ND<5 ND<5 ND<50 ND<5 ND<50 ND<500 NA
<br /> MW-4 07/24/02 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<0 5 ND<50 ND<500 NA
<br /> 11125102 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 NA ND<50 ND<500 NA
<br /> X0.5- 4as- <a,y- <a,3- <-,, <0,,T-
<br /> 02/19103
<br /> ,S02119/03 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<5 ND<5 ND<5 ND<5 ND< ND<5 ND<50 ND<500 NA
<br /> NOTES All results are reported in micrograms per liter(ug/1),which translates to arts per billion b fin? Z-/S�sy
<br /> P 9 P P p (PA }
<br /> Total Petroleum Hydrocarbons as Gasoline(TPH-G)and Benzene toluene ethylbenzene xylenes(BTEX)analyzed by EPA Methods 8020/8015M or 8260B
<br /> Oxygenates Methyl tenary butyl ether(MTBE) Di isopropyi ether(DIPE) Ethyi-t butyl ether(ETBE) Tert amyl methyl ether(TAME)and Tert-butanol(TBA)analyzed by EPA Method 82608
<br /> 1 2-Dichioroethane(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 /> ND<100=Not Detected at reporting limit of 100 ppb
<br /> NA =Not analyzed for specified compound
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