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<br /> TABLE 2
<br /> CUMULATIVE ANALYTICAL RESULTS-GROUNDWATER
<br /> San Joaquin County Motor Pool, 1810 East Hazelton Avenue,Stockton California
<br /> OXYGENATES
<br /> SAMPLE BATE ETHYL-
<br /> LOCATION SAMPLED TPH-D 7PH-G BENZENE TOLUENE BENZENE XYLENES MTBE DIPE ETBE TAME TBA 1,2-DC
<br /> MW-1 04/14/99 240,000 244,000 47,600 48,000 4,280 21,750 46,500 ND<100 ND<100 ND,100 ND<50o NA
<br /> 12118100 ND<1000 1.220,000 51,000 37,000 1 ND,5000 1 20,900 75,000 NA NA NA NA NA
<br /> 12!06101 NOT SAMPLED-FREE PRODUCT 0 33 FEET THICK
<br /> 1 - I03!29102 NA 270,000 44,000 31,000 6,500 33,000 34,000 ND<200 ND<200 ND,200 ND,200011
<br /> ND<200
<br /> 05/06/02 NA 230,000 49,000 48,000 4,700 25,000 83,000 ND,50 ND<50 ND150 ND1500 ND<50
<br /> 08/22/02 NOT SAMPLED-FREE PRODUCT 0 41 FEET THICK
<br /> 11/26/02 NOT SAMPLED-FREE PRODUCT 0 22 FEET THICK
<br /> 03/07/03 NOT SAMPLED-FREE PRODUCT 0 45 FEET THICK
<br /> 05/09/03 NOT SAMPLED-FREE PRODUCT SHEEN
<br /> 09/12/03 NOT SAMPLED-FREE PRODUCT 0 50 FEET THICK
<br /> 12/19/03 NOT SAMPLED-FREE PRODUCT 0 10 FEET THICK
<br /> 03/24/04 NOT SAMPLED-FREE PRODUCT SHEEN
<br /> Os1091v4 NOT SAMPLED-FREE PRODUCT SHEEN
<br /> MW 2 04/14/99 86,000 90,100 28,900 6,060 1,890 11,750 644 N0<10 ND<10 ND<10 ND<50 NA
<br /> 12/18/00 ND<50 57,000 30,000 ND-2 500 ND<2 500 4,000 ND<2 500 NA NA NA NA NA
<br /> 12106101 NA 110,000 33,000 1,200 2,100 9,800 6,700 ND<100 ND<100 ND1100 ND<1000 ND<1D0
<br /> 03129102 NA 82,000 27,000 600 1,400 6,600 9,900 ND<100 ND<100 ND<100 ND<1000 ND<1DD
<br /> 05!06102 NA 90,000 35,000 650 2,400 9,600 5,600 ND<50 ND<50 ND<50 ND<500 ND<50
<br /> 08122/02 NA 100,000 36,000 620 3,100 11,300 32,000 ND<50 ND<50 ND<50 5,300 100
<br />�1 11126102 NA 94,000 40,000 320 2,000 5,900 25,000 ND<50 ND<50 ND<50 ND<500 1,400
<br /> 03107103 NA 42,000 14,000 200 1,000 1,800 15,000 ND<500 ND<500 ND<500 ND,5000 NA
<br /> 05/09103 NA 84,000 29,000 390 2,600 6,900 24,000 ND<500 ND<500 ND<500 ND<5000 ND<500
<br /> 09/12/03 NA 94,000 28,000 ND<250 2,100 3,700 17,000 ND<500 ND<500 ND<500 ND<5000 ND<500
<br /> 12119!03 NA 61,000 17,000 ND<200 1,400 1,900 24,000 ND<500 ND<500 ND<500 ND-5000 ND<500
<br /> 03/24/04 NA 93,000 38,000 ND<200 2,900 5,400 34,000 ND<500 ND<500 1 ND,500 140,5000 ND<500
<br /> 06/09/04 NA 89,000 9,600 10,000 2,500 16,000 9,700 ND<500 I ND<500 I ND1500 I ND,500JOJ ND1500
<br /> MW 3 12106/01 NA 3,000 310 400 61 360 21 ND<2 ND<2 ND<2 ND<20 ND<2
<br /> 03/29/02 NA 68 15 16 ND<O 5 22 ND<0 5 ND<O 5 ND<0 5 ND<D 5 ND<5 ND<O 5
<br /> 05/06/02 NA ND<50 05 ND<O 5 ND<0 5 ND<1 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<O 5
<br /> 08/22102 NA ND<50 ND<0 5 ND<O 5 ND<0 5 ND<O 5 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<O 5
<br /> 11/26/02 NA ND<50 ND<0 5 ND<O 5 ND<O 5 ND<1 ND<O 5 ND<O 5 ND<0 5 ND<O 5 ND<5 ND<O 5
<br /> 03/07/03 NA 55 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 NA
<br /> 05!09103 NA ND<50 ND<0 5 ND<0 5 ND<O 5 ND<1 ND<D 5 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<O 5
<br /> 09/12/03 NA ND<50 ND<O 5 ND<0 5 ND<0 5 ND<1 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<O 5
<br /> 12/19/03 NA ND<50 ND<O 5 ND<0 5 ND<O 5 ND<1 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<5 ND<O 5
<br />' 03/24/04NA ND<50 ND<O 5 ND<0 5 ND<O 5 ND<1 ND<O 5 ND<O 5 ND<O 5 ND<D 5 ND<5 ND<0 5
<br /> 06/09/04 NA ND<50 ND10 5 ND10 5 ND<0 5 ND<1 ND<0 5 ND<O 5 ND<0 5 ND<O 5 ND<5 ND<O 5
<br /> MW-4 12/19/03 NA ND<50 ND<O 5 ND<0 5 ND<O 5 ND<1 05 ND<O 5 ND<O 5 ND<0 5 24 ND<O 5
<br /> 03/24!04 NA ND<50 11 ND<0 5 ND<O 5 ND<1 06 ND<O 5 ND<0 5 ND<O 5 21 ND<O 5
<br />' 06/09/04 NA ND<50 11 ND<0 5 ND<O 5 ND<1 07_ ND<O 5 ND<O 5 ND<O 5 ND<5 ND<0 5
<br /> MW-5 12/19/03 NA ND<50 ND10 5 ND<0 5 ND10 5 ND-0 ND15 ND<5 ND<5 I ND<5 ND<50 ND<5
<br /> 03/24/04 NA ND<50 ND<0 5 ND<0 5 ND<O 5 ND<1 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<0 5
<br /> 05/09ID4 NA NDI-W ND<0 5 ND10 5 ND<O 5 ND0 ND<0 5 ND<O 5 ND<0 5 ND10 5 ND<5 ND<0 5
<br /> MW-6 12/19/03 NA 7,800 2,100 ND<50 ND<50 $20 ND<5tND
<br /> ND<5 ND<5 ND<50 ND<5
<br /> 03/24/04 NA 9,300 1,600 ND<20 ND<20 640 ND<O 5 ND40 5 ND<O 5 ND<5 ND<0 5
<br /> 06/09/04 NA 5,600 630 ND<20 ND<20 81 ND<0 5 ND<O 5 ND<O 5 ND15 ND<D 5
<br /> CITY WELL 12/28!01NA ND<50 ND<0 5 ND<0 5 ND10 5ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<0 5
<br /> • NOTES All results are reported in micrograms per liter(ugA)which translates to parts per billion(ppb)
<br /> Total Petroleum Hydrocarbons as Diesel(TPH-D)analyzed by EPA Method 8015M
<br /> Total Petroleum Hydrocarbons as Gasoline(TPH G) benzene toluene ethylbenzene xylenes by EPA Method 8260B or 8020/8015M
<br /> Oxygenates Methyl-t-butyl ether(MTBE) Di isopropyl ether(DIPE) Ethyl t butyl ether(ETBE) Tert amyl methyl ether(TAME)and Teri Butanol(TEA)by EPA 82608
<br /> 12 Dichloroethane(1 2-DCA)analyzed by EPA Method 8260E
<br /> ND<O 5=Not Detected at reporting limit of 0 5 ppb
<br /> NA=Not analyzed for specified compound
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