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Table 2
<br /> TPHG, BTEX And MTBE Concentrations In Groundwater
<br /> Former Vintage Car Wash
<br /> 601 East Miner Avenue,Stockton,California
<br /> TPHG Benzene Toluene Ethylbenzene Total Xylenes MTBE
<br /> Well Date Sampled (pg1L) (pg/L) WIL) (pg/L) (pg/L) (Vg1L)
<br /> MW 10 11126x101 730 <1 0 <1 0 <1 0 10 150
<br /> 020/02 <50 25 24 <05 66 130
<br /> 05107/02 3,400 1,400 88 21 86 180
<br /> 08112/02 1,600 640 72 28 48 140
<br /> MW 11 11/26/01 <50 <1 0 -10 <1 0 <0 5 10
<br /> 02/25/02 86 32 <0 5 <0 5 053 63
<br /> 05/07102 40 15 068 <0 5 057 25
<br /> 08/12/02 110 47 0 T7 <0 5 <0 5 15
<br /> MW 12 11/26/01 99 11 <1 0 <1 0 <0 5 <1 0
<br /> 02/25/02 69 052 <0 5 093 46 <2 0
<br /> 05/07102 65 095 <0 5 <0 5 18 32
<br /> 08/12102 50 11 <0 5 <0 5 0 53 41
<br /> MW 13 11126101 90 <1 0 <1 0 <1 0 <0 5 <1 0
<br /> 02125!02 79 <0 5 13 <0 5 <0 5 <02
<br /> 05107/02 95 059 12 <0 5 <0 5 <2 0
<br /> 08/12/02 66 055 08 <0 5 <0 5 <2 0
<br /> GWX 1 04/24/97 212,000 43,000 40,000 3,940 23,000 2,140
<br /> 09/30/97 224,000 55,500 42,000 4,530 25,400 2,660
<br /> 12/30/97 232,000 45,600 31,600 4,760 25,700 2,820
<br /> 04/22/98 168,000 37,500 27,200 3,400 18,600 <5 000
<br /> OB/16100 130,000 25,000 20,000 3,800 15,400 590
<br /> 11/06100 100,000 23,000 24,000 3,800 35,000 720
<br /> 02/16101 140,000 17,000 17,000 1,900 91000 910
<br /> 05/02101 100,000 23,000 23,000 2,800 14,000 750
<br /> 08/07101 110,000 33,000 40,000 4,900 23,000 550
<br /> 11126101 39,000 1,800 5,500 95 13,000 95
<br /> 02125102 22,000 2,200 2,100 430 6,500 58
<br /> 05107/02 2,000 65 62 51 550 13
<br /> 08112/02 14,000 340 270 650 3,700 23
<br /> VX 1 11/06/00 23,000 580 1,200 1,200 12,400 43
<br /> 02/16/01 31,000 310 400 170 1,600 <20
<br /> 05/02/01 25,000 160 180 120 1,300 <20
<br /> 08/07/01 15,000 160 130 120 1,200 <20
<br /> 11/26101 17,000 100 35 <10 1,800 80
<br /> 02/25/02 2,600 42 24 <0 5 390 35
<br /> 05107/02 2,400 100 32 26 260 20
<br /> 08/12102 7,800 1,400 200 400 410 24
<br /> Notes
<br /> TPH=Total Petroleum Hydrocarbons
<br /> leg2=micrograms per liter
<br /> MTBE=Methyl tertiary b*i ether
<br /> MTBE concentrations detected by USEPA Method 8020 are confirmed by USEPA Method 8260 MTBE detections shown are by USEPA 8260
<br /> NS=Not Sampled(Vehrde parked over welt)
<br /> NA=Not Analyzed
<br /> <2 00=Analyte not detected above the method reporting lrmrt which may have been elevated due to laboratory dilution
<br /> Analytrcal results for the equipment and tnp blank are not listed
<br /> 0
<br /> Shaw Environmental Infrastructure
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