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TABLE 2
<br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES
<br /> K& S Gas & Grocery
<br /> 701 East Charter Way, Stockton, California
<br /> {µg11}
<br /> EPA Methods 5030/8015M/8021/8260* if- EPA Methods 8260 or 8260M
<br /> Well Sample
<br /> I D Date TPH-g I Benzene Toluene Ethyl-benzene Xylenes MTBE DIPS ETBE TAME. TBA Methanol Ethanol EDB 1,2
<br /> DCA
<br /> 12/16/98 330,000 29,000 54,000 6,500 36,000 260 <50 <50 <500 -- - -
<br /> 06/09/99 290,000 23,000 31,000 4,500 29,000 200 <10 <10 <10 <100 -- -- - --
<br /> 09/29/99 170,000 22,000 26,000 4,700 24,000 320 <85 <85 <85 <430 -- -- - --
<br /> 03/27/00 240,000 28,000 23,000 4,000 22,000 470 <0 50 <0 50 <0 50 260 -- -- -- --
<br /> 09/19/00 160,000 21,000 25,000 4,800 25,000 190 <85 <85 <85 <85 -- -- <85 100
<br /> 12/19/00 160,000 19,200 23,000 4,900 25,000 54 <25 <25 <25 <130 <5,000 <1,300 <25 28
<br /> 03/19/01 150,000 15,000 18,000 3,800 19,000 160 <100 <100 <100 <500 <20,000 <5,000 <100 <100
<br /> 06/20/01 130,000 20,000 25,000 4,700 24,000 110 <85 <85 <85 <450 <43,000 <4,300 <85 <85
<br /> MW3 09/14/01 190,000 18,000 23,000 5,200 26,000 160 <50 <50 <50 <250 <25,000 <2500 <50 <50
<br /> 01/08/02 140,000 17,000 20,000 45,000 24,000 630 <10 <1 0 <1 0 <25 <1,000 <50 <0 5 <0 5
<br /> 04/08/02 120,000 155000 18,000 4,600 435000 <1 0 <1 0 <1 0 <1 0 <25 <1,000 <50 <0 5 <0 5
<br /> 07/25/02 100,000 16,000 195000 59000 36,000 <10 <10 <10 <10 <250 <10,000 <500 <5 0 <5 0
<br /> 10/10/02 88,000 11,000 1,600 1,600 7,500 <10 <10 <10 <10 <250 <10,000 <500 <5 0 <5 0
<br /> 01/09/03 50,000 16,000 22,000 5,000 30,600 <10
<br /> <10 <1 0 <10 <10 <1,000 <50 <0 5 12
<br /> 04/11/03 61,000 19,000 13,000 25700 12,500 <1 0 <1 0 <1 0 <10 <1,000 <50 39 21
<br /> 07/14/03 73,000 3,400 13,000 5,200 26,000 <1 0 <1 0 <1 0 <10 <1,000 <50 <0 5 96
<br /> 10/28/03 76,000 8,800 7,600 8,800 41,000 <1 0 1 <1 0 <] 0 <10 I <1,000 1 <50 1 <0 5 42
<br /> NOTES
<br /> Ngll rcucrograrns per liter egmvalent to parts per billion ppb
<br /> < Not detected at that concentration
<br /> DIPE DE isopropyl ether
<br /> ETBE Ethyl tert butyl ether
<br /> MTBE Methyl tert butyl ether
<br /> TAME Tert amyl rnethyl ether
<br /> TBA Ternary butanol or ternary butyl alcohol
<br /> EDB Ethylene dibrunnde
<br /> 12 DCA 1 2-dichlorcethane
<br /> - Not analyzed
<br /> * As of 07/25/02 BTEX analyzed by EPA 8260
<br /> # not sampled free product present
<br /> Advanced Geo Environmental,[nc
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