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*E 2 •
<br /> CUMULATIVE ANALYTICAL RESULTS-GROUNDWATER
<br /> San Joaquin County Parking Garage 130 N Hunter Street Stockton California
<br /> OXYGENATES
<br /> SAMPLE HATE ETHYL-
<br /> LOCATION SAMPLED TPH-G : :j TOLUENE BENZENE XYLENES MTBE I DIPS I ETEE TAME TBA METHANDL ETHANOL 1,2-DCA EDB J�_TPH-D TPH-MO TPH-K
<br /> G-1 02/02/01 160,000 5,100 190 2,600 2,600 ND<50 ND<50 ND-50 ND<50 NDc500 NA NA NA 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 NA NA NA ND<1 000 ND-4100 1,000
<br /> G3 02102!01 60,000 1,900 220 6,400 5,700 ND<20 ND<20 �140120 ND-20 ND4200 NA NA NA NA ND-4120 000 NO-1 000 110,000
<br /> G3 03/26/04 ND<50 N0<05 055 ND<O 5 079 38 11,10<0 5 ND<O 5 ND<0 5 ND<5 ND<50 11 ND<O 5 NpcO 5 NA NA ND<50
<br /> G4 03/26/04 ND<50 ND<O 5 ND<0 5 ND<0 5 ND<O 5 1 5 N0<0 5 11,10<0 5 ND<0 5 ND<5 ND<50ND<5 ND<0 5 ND<0 5 NA NA N0<50
<br /> G-6 03/26/04 ND<50 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<O 5 ND<0 5 ND<5 ND<50 ND<5 ND<O 5 NDcO 5 NA NA ND<50
<br /> MW-1 07/24/02 69 000 550 960 2,700 -5,2-0-0- ND<5 ND<5 ND<5 ND<5 ND<50 NA NA 91 NA ND<50 ND-4500 NA
<br /> 11!25!02 140,000 510 790 1,400 1,000 ND<5 ND<5 ND<5 17 ND<50 NA NA NA NA 2,000 ND<500 NA
<br /> 02/19/03 29,000 390 ND<100 710 560 ND<5 ND<5 ND<5 ND<5 ND<W NA NA ND<5 NA ND<50 ND<WD NA
<br /> 05/09!03 12,000 240 26 460 330 N0<5 ND<5 ND<5 ND<5 ND<50 NA NA ND<5 NA ND<50 ND<500 ND<250
<br /> 09112!03 11 000 240 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 /> 12/11103 13 000 430 65 704 340 ND<5 ND<5 ND<5 ND<5 ND<50 NA NA NA NA ND<50 ND<500 2,400"
<br /> 03/24/04 10,000 320 33 620 250 ND<5 ND<5 ND<5 ND<5 ND<50 NA NA NDeS NA NA NA ND<250
<br /> MW 2 07/24/02 120 000 490 500 4 500 11 000 ND<5 ND<5 ND<5 ND<5 ND<50 NA NA 15 NA ND<50 ND-4500 NA
<br /> 11/25/02 160,000 1,400 660 3,400 6,000 ND<5 ND<s ND<5 14 ND<50 NA NA NA NA ND<50 ND<500 NA
<br /> 02/19/03 58,000 650 N13<400 3,200 5,900 ND<5 11,10<5 ND<5 ND<5 ND<50 NA NA N0<5 NA ND<50 ND<500 NA
<br /> 05/09/03 33 000 580 94 3 600 6,800 ND<5 ND<5 ND<5 ND<5 ND<50 NA NA 17 NA ND<50 ND-4500 4 200'
<br /> 09112103 30,000 460 62 2,700 4,200 ND<5 ND<5 ND<5 ND-45 ND<50 NA NA NA NA ND<50 ND-4500 6,100"
<br /> 12111!03 26,000 510 ND-4400 1 2,900 4,800 11 N0<0 5 1 ND<O 5 ND<O 5 ND<O 5 ND<5 NA NA NA NA ND<50 ND<500 4 300'
<br /> 03/24104 37,000 620 ND<100 3,400 fi 100 ND<50 ND<50 ND<50 ND<50 ND-500 NA NA ND<50 NA NA NA 5 B00 -
<br /> UW-3 07/24/02 170,000 1,400 640 3,30 6,000 ND<5 84 N13<5 ND<5 ND<50 NA NA 38 NA ND<50 ND<5W NA
<br /> 11/25/02 350,000 2,400 1,200 4,900 12 000 ND<5 94 ND<5 ND<5 ND-50 NA NA NA NA ND<50 ND<5W NA
<br /> 02119/03 68,000 1 700 ND<400 2 500 4 600 ND<5 88 ND<5 ND<5 ND<50 NA NA N0<5 NA ND<50 ND<500 NA
<br /> 05/09/03 36,000 1 700 97 2 600 4 700 ND<5 62 ND<5 ND<5 ND<50 NA NA N0<5 NA ND<50 ND<500 5,900.
<br /> 09/12103 32,000 1,700 82 2,700 4,800 ND<O 5 ND<O 5 N0<05 ND<O 5 ND<5 NA NA NA NA ND<50 ND<500 5 80Q'
<br /> 12/11/03 23,000 1 1,700 1 N0<100 2,200 3 800 1 ND<50 ND<W 11,10<50 ND<50 N0<500 NA NA NA NA NO-050 ND<500 8,800`
<br /> 03/24/04 34,0 0 1,900 100 2,700 4,600 ND<0 5- 47 ND<O 5 --, ND<O 5 ND<5 - NA NA 76 NA NA NA 13,000
<br /> MW-4 07!24102 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 NA NA ND<O 5 NA ND<50 ND<500 NA
<br /> 11125/02 ND<50 ND-0 5 ND<0 5 1,113<0 5 ND<1 ND<O 5 ND<0 5,5 ND<0 5 ND<0 5 ND<5 NA NA NA NA ND<50 ND<500 NA
<br /> 02/19103 ND<50 ND<O5 ND<05 ND<O5 N0<1 ND N[)! .; Np S ND 'V Np< NA NA ND< NA ND<50 ND<500 NA
<br /> 05/09103 ND<50 ND<O 5 ND<0 5 ND<O 5 ND<1 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<5 NA NA ND<O 5 NA ND<50 ND<500 1,101250
<br /> 09/12103 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<1 Np<0 5 ND<O 5 ND<O 5 ND<O 5 ND<5 NA NA NA NA ND<50 ND-4500 ND-4250
<br /> 12111!03 ND<50 ND<0 5 ND<O 5 ND<O 5 ND<1 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<5 NA NA NA NA ND<50 ND-4500 ND<250
<br /> 03/241D4 ND150 I ND-0 5 1 ND<0 5-1 ND<0 5- ND<1 ND<0 5 N0<0 5 i ND<O 5 ND<O 5 ND<5 NA NA NDeO 5 NA NA NA ND<250-
<br /> NOTES All results are reported in micrograms per liter(ugll) which translates to parts per billion(ppb) a f
<br /> Total Petroleum Hydrocarbons as Gasoline(TPH-G)and Benzene toluene ethylbenzene xylenes(BTEX)analyzed by EPA Methods 8020/8015M or 82609
<br /> Oxygenates Methyl tenary butyl ether(MTBE) D14sopropyl ether(DIPS) Ethyl-t-butyl ether(ETEE) Tart amyl methyl ether(TAME) Tart-butanol(TBA) Methanol and Ethanol analyzed by EPA Method 8260E
<br /> I 2-0ichloroethane(1 2-DCA)and 1 2-Dibromoethene(EDB)analyzed by EPA Method 6260B
<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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