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TABLE 3
<br /> ANALYTICAL RESULTS OF GROUNDWATER SAMPLES-8015/8020/8260
<br /> STALLWORTH AUTO SALES
<br /> 602 North California Street, Stockton, California
<br /> (N9/1)
<br /> Sample ID Date TPH-g TPH-d Benzene Toluene genzel- Xylenes Total DIPE ETBE MTBE TAME TBA EDB 1,2-DCA
<br /> MW-10 03/20/08 46,000 11,000 5,900 2,200 1,600 6,500 <1.0 <1.0 <1.0 52 <10 <0.5 180
<br /> 06/09/08 8,000 2,700 150 59 21 144 <1.0 <1.0 <1.0 91 <10 <0.5 5.3
<br /> 08/29/08 11,000 3,700 130 57 38 119 <1.0 <1.0 <1.0 45 <10 <0.5 4.4
<br /> 11/03/08 10,000 3,200 110 38 40 79 <1.0 <1.0 <1.0 14 <10 <0.5 6.9
<br /> 09/29/09 11,000 3,000 210 65 95 157 <1.0 <1.0 <1.0 57 <10 <0.5 4.6
<br /> 01/26/10 15,000 2,300 920 170 480 711 <1.0 <1.0 <1.0 33 <10 <0.5 7.1
<br /> 08/09/10 14,000 5,600 590 78 480 633 <1.0 <1.0 <1.0 26 <10 <0.5 4.2
<br /> 01/24/11 14,000 5,200 830 63 360 554 <1.0 <1.0 <1.0 53 <10 <0.5 29
<br /> 10/21/11 9,000 4,100 360 34 120 184 <1.0 <1.0 <1.0 3.7 <10 <0.5 5.5
<br /> 04/24/12 10,000 --- 580 37 230 311 <1.0 <1.0 <1.0 6.1 <10 <0.5 12
<br /> 06/28/12 3,600 2,000 540 35 250 205.2 <1.0 <1.0 <1.0 4.5 <10 <0.5 <0.5
<br /> 07/05/12 3,400 3,500 260 36 110 147 <1.0 <1.0 <1.0 11.0 <10 <0.5 <0.5
<br /> 07/12/12 2,400 1,100 190 16 14 45 <1.0 <1.0 <1.0 2.0 <10 <0.5 <0.5
<br /> 07/19/12 3,200 1,100 210 40 78 130 <1.0 <1.0 <1.0 7.2 <10 <0.5 <0.5
<br /> MW-11 03/21/08 160,000 29,000 4,700 18,000 2,200 11,200 <1.0 <1.0 <1.0 310 <10 <0.5 110
<br /> 06/09/08 84,000 29,000 3,300 4,000 900 4,100 <1.0 <1.0 <1.0 43 <10 <0.5 64
<br /> 08/29/08 86,000 32,000 5,200 5,900 620 4,100 <1.0 <1.0 <1.0 51 <10 <0.5 32
<br /> 11/03/08 110,000 36,000 8,000 12,000 1,700 8,900 11 <1.0 <1.0 26 <10 <0.5 81
<br /> 09/29/09 140,000 40,000 5,900 11,000 1,600 8,300 <1.0 <1.0 <1.0 24 <10 <0.5 86
<br /> 08/09/10 150,000 44,000 4,900 6,500 2,200 11,700 <1.0 <1.0 <1.0 150 <10 <0.5 93
<br /> 01/24/11 170,000 51,000 9,200 7,200 2,200 11,000 <1.0 <1.0 <1.0 160 <10 <0.5 170
<br /> 10/21/11 140,000 39,000 4,400 3,700 1,200 6,600 <1.0 <1.0 <1.0 25 <10 <0.5 52
<br /> Notes:
<br /> Pg/l: micrograms per liter
<br /> BTEX samples reported by EPA Method 8021/8260B,respectivell
<br /> NA: not analyzed
<br /> NS: not sampled
<br /> TPH-g: total petroleum hydrocarbons quantified as gasoline
<br /> TPH-d: total petroleum hydrocarbons quantified as these
<br /> DIPE: di-isopropyl ether
<br /> ETBE: ethyl tertiary-butyl ether
<br /> MTBE: methyl tertiary-butyl ether
<br /> TAME. tertiary-amyl methyl ether
<br /> TBA: tertiary-butyl alcoho
<br /> EDB: 1,2-dibromoethane
<br /> 1,2-DCA: 1,2-dich loroethane
<br /> Advanced GeoEnvironmental,Inc
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