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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 /> SAMPLEDATE ETHYL
<br /> LOCATION SAMPLED TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE RIPE ETRE TAME TBA METHANOL ETHANOL 12 DCA EDB TPH 0 TPH MO TPH K
<br /> G f 02,)2101 150 000 5,100 190 2,600 2,600 ND<50 ND<50 ND<50 NDbO ND<500 NA NA NA NA ND<50 000 ND<1 006 $3 ODO
<br /> G-2 02/02/01 2200 68 ND<5 14 25 ND<5 NO-5 N0<5 ND<5 N0<50 NA NA NA NA ND<1 DOO NO000 1 000
<br /> G3 021=1 50 000 1.900 220 6,400 5,700 N0<20 ND-20 ND<20 ND<20 ND<200 NA NA NA NA ND<120000 NO<1000 110 000
<br /> G-4 0326104 ND<50 ND<0 5 055 ND<0 5 079 3 8 ND-0 5 ND<0 5 ND<O 5 No<5 ND<50 11 ND<0 5 N0<0 5 NA NA ND<50
<br /> G 5 0326X14 ND-50 ND<O 5 ND<0 5 NO-0 5 ND<O 5 1 5 NDcO 5 ND<0 5 ND<0 5 ND<5 ND-50 ND15 NO<0 5 ND<0 5 NA NA ND<50
<br /> G-6 03f26X14 ND<50 ND<0 5 ND<0 5 ND<O 5 ND<0 5 ND<0 5 ND-0 5 ND<0 5 NO<0 5 Np<5 --7Dc50 ND<5 No<0 5 ND<0 5 NA NA ND<50
<br /> MW 1 07/24102 69 000 550 960 2,700 5,200 ND<5 Np�5 ND<5 ND<5 ND<50 NA NA 91 NA ND<50 NDc500 NA
<br /> 1125X12 140 000 510 790 1400 1 000 ND<5 ND<5 ND<5 17 ND<50 NA NA NA NA 2,000 ND-500 NA
<br /> -
<br /> 9000
<br /> 29 000 390 ND<100 710 560 ND<5 ND<5 NDc5 N0<5 ND<50 NA NA ND15 NA ND<50 ND4500 NA
<br /> 05109,3 12 000 240 26 460 330 NO<5 NO<5 Np<5 ND<5 Kk50 NA NA ND<5 NA NOk50 NO-500 N0c250
<br /> 09/12103 (1 000 240 ND-50 430 240 ND<5 ND<5 ND<5 ND<5 ND<50 NA NA NA NA ND<50 NO<500 2 300•
<br /> 112111/03 13 000 430 65 700 340 ND<6 NO-5 ND<5 ND<5 ND150 NA NA NA NA ND<50 NDc500 2'400*
<br /> 03/24/04 10,000 320 33 520 250 ND<5 ND<5 ND<5 ND<5 ND-50 NA NA ND<5 NA NA NA ND<50
<br /> 061f6104
<br /> 8,800 290 28 600 240 ND<5 ND<S ND<5 ND<5 ND<50 NA NA ND<5 NA NA NA 1.400*
<br /> 06119Xr4
<br /> 7,600 240 27 550 270 ND<5 ND<5 ND<5 ND<5 ND<50 NA NA ND<5 NA NA NA 1,900`
<br /> MW 07/24102 120000 490 500 4500 11000 ND<5 ND<5 NDc5 ND<5 NO<50 NA NA 15 NA ND<50 ND<SW NA
<br /> _L1f25/02 160 000 1,400 660 3,400 5,000 ND<5 ND<5 ND<5 14 ND<50 NA NA NA NA ND<50 ND<500 NA
<br /> 02119103 5111,000 650 ND<400 3,200 5,900 ND<5 ND<5 NO-5 Np<5 N0<50 Nq NA ND<5 NA Np<50 N0<500 NA
<br /> 05!04!03 33 000 580 94 3 800 8 800 ND<5 ND<5 ND<5 ND<5 ND<50 NA NA 17 NA ND<50 ND<500 __4,200*
<br /> 09/12/03 30 000 460 62 2,700 4 2DO N0<5 ND<5 ND<5 ND<5 ND<5O NA NA NA NA ND<50 ND<500 5,100.
<br /> 12111/03 26 000 510 ND<1GG 2,900 4,900 ND<05 ND<05 ND<05 ND<05 ND<5 NA NA NA NA ND<50 ND-500 4,300*
<br /> 03!24104 37,000 520 ND<100 3,400 6.100 ND<50 ND<50 ND<50 ND<50 NC-500 NA NA ND<50 NA NA NA 5,600
<br /> 06116,74 30,000 360 ND<100 3,400 5,500 NO<50 ND<50 ND<50 ND<50 ND<500 NA NA ND<50 NA NA NA 4.200-
<br /> 08/191134 38 000 450 NO<100 3 700 5,900 ND<50 ND<50 ND<50 ND<50 ND<500 NA NA ND<50 NA NA NA 6,40G'
<br /> MWS 07124!02 170,000 1,400 640 3 300 6,0o0 ND<5 84 Np<5 ND<5 N0150 NA NA 38 NA ND50 ND<500 NA
<br /> 11
<br /> 1125102 350,0 0 2.400 1.200 4 900 12,000 ND<5 94 ND<5 NO<$ ND<50 NA NA NA NA ND<50 ND<500 NA
<br /> 02/19/03 58,000 1,70D NN400 2 500 4,500 N0<5 as ND<5 ND-:5 ND<50 NA NA ND<5 NA ND<50 ND<500 NA
<br /> 05/09/03 36,000 1,700 97 2,600 4,700 ND<5 62 NDc5 ND<5 ND<50 NA NA ND<5 NA ND<50 ND<500 5 900'
<br /> G9112/03 32,000 1,700 82 2,700 4,800 ND<0 5 ND<D 5 NO<0 5 ND<G 5 ND<5 NA NA NA NA ND<50 Np<500 5,900*
<br /> 17111003 23,000 1,700 ND<100 2.200 3 900 ND<50 ND<50 ND<50 ND<50 ND<500 NA NA NA NA ND<50 ND-500 8,800,
<br /> 0324144 34,000 1,900 100 2,700 4,600 ND<D 5 47 NO<0 5 ND<0 5 NO<5 NA NA 76 NA NA NA 13,000
<br /> 06/18,)4 26,000 1,800 100 2 900 4,600 NN50 NDc50 NO<50 NDc50 ND<500 NA NA ND<50 NA NA NA 4,800-
<br /> '
<br /> 08119,]4 28,000 2.000 110 2,900 4,400 ND<50 NO-50 ND<50 ND<50 ND<500 NA NA ND<5G NA NA NA 8200,
<br /> MW-4 07/24/02FND�50
<br /> ND<O S ND105 ND<05 ND<05 ND<O5 ND<05 No<5 ND<OS N0<5 NA NA Np<05 NA Np<SO NDc5G0 NA
<br /> 1125,]2 NDc05 Np<OS ND<05 ND-1 NDc05 ND105 ND105 ND<O5 ND15 NA NA NA NA ND<50 ND<SW NA
<br /> 0211 M3 ND<O5 ND<05 ND<05 ND<t ISD<50 ND< '3 ND< ND NA NA ND<5 NA ND<50 NO-500 NA
<br /> 05MO/03 ND<0 5 ND<0 5 ND<0 5 NDO ND<G 5 ND<0 5 NO<05 NDcO 5 ND<5 NA NA ND<0 5 NA NOcso NO<500 ND<25009117103 ND<O 5 N0<0 5 ND<O 5 ND<1 ND<O 5 ND-0 5 ND<0 5 ND<O 5 ND<5 NA NA NA NA ND<50 ND<500 ND<250
<br /> 12!11X13 ND<so NOcO S ND<O 5 ND<0 5 NOO N0<0 5 ND10 5 ND<O 5 ND10 5 ND<5 NA NA NA NA ND<50 NO<500 ND<250
<br /> 03/24/04 Ni ND<0 5 ND<p 5 Np<0 5 ND<1 ND<0 5 NO<p 5 ND<O 5 ND<0 5 ND-5-1NA NA ND<O 5 NA NA NA ND<25p
<br /> 06/18104 N0c50 ND<0 5 ND-0 5 ND<0 5 N00 ND<0 5 ND<O 5 ND<O 5 ND-0 5 ND<5 NA NA ND<0 5 NA NA NA ND<250
<br /> 08!19104 ND<54 ND<05 ND<05 ND-05 Np<1 ND<05 ND<0
<br /> 5 ND<OS NDc05 ND<5 NA NA NO-05- NA L NA- I NA Np<250
<br /> NOTES All results are reported in micrograms per liter(ugA) whrch translates to parts per billion{ppb}
<br /> Total Petroleum Hydrocarbons as Gasoline(TPH-GI and Benzene toluene ethylbenzene xylenes(8TEX)analyzed by EPA Methods 80 20180 1 5M or 6260B
<br /> OWnates Methyl tenary butyl ether(MTBE) Dr-isopropyl ether(RIPE} Ethyl t-butyl ether(ETBE) Tei1 amyl methyl ether(TAME) Ten butanol JBA( Methanol and Ethanol analyzed by EPA Method 8260B
<br /> 1 2 DichWoethane(1 2 DCA)and 1 2.Oibromoethane(EDB)analyzed by EPA Method 82608
<br /> TPH Diesef(TPH D( TPH Motor Oil(TPH MO) and TPH Kerosene(TPN K)analyzed by EPA Method 8015M J
<br /> The sample chromatogram does not resemble typical kerosene standard chromatogram All peaks were mteregraled within the range The resLlt is an estimated value
<br /> ND<100=Not Detected at reporting Itmil of 100 ppb
<br /> NA=Not analyzed for specified compound
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