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Quik Stop No.121 14-Oct-00 <br /> CCI Project No.12118-2 <br /> TABLE 2 <br /> 1 <br /> MONITORING WELL WATER SAMPLE ANALYSIS <br /> Quik Stop No.121,1196 West Louis Avenue,Manteca,CA <br /> Ethyl Total <br /> Sample Date TPHg Benzene Toluene Benzene Xylenes MTBE t-AME <br /> Number Sampled (ug/1) (ug/l) (ug/1) (ug/1) (ug/1) (ug/1) <br /> MW-1 4/30/99 140 <0.5 <0.5 <0.5 <1 <1 <1 <br /> 7/21/99 <50 <0.5 <0.5 <0.5 <1 87 <1 <br /> 10/18/99 58 2 0.8 0.7 3 <1 <1 <br /> 1120/00 8,600 <50 <50 <50 <50 21,000 N.R. <br /> 2/17/00 N.R. <1 <1 <1 <1 11,000 N.R. <br /> 4/6/00 3,100 <25 <25 <25 <25 5,700 N.R. <br /> 7/5/00 6 9 077 0.84 <0.5 <0.5 <0.5 940 1 <100 <br /> 10/5/00 800 <5 <5 <5 <5 1,000 <100 <br /> MW-2 4/30/99 82 <0.5 <0.5 <0.5 <0.5 <1 <1 <br /> 7/21/99 <50 <0.5 <0.5 <0.5 <0.5 <1 <1 <br /> 10/18/99 <50 <0.5 <0.5 <0.5 <0.5 <1 <1 <br /> 1120/00 200 2.2 <0.5 <0.5 <0.5 59 N.R. <br /> 2117/00 N.R. <1 <1 <1 <1 3 N.R. <br /> 4/6/00 70 <0.5 <0.5 <0.5 <0.5 55 N.R. <br /> 7/5100 <50 <0.5 <0.5 <0.5 <br /> <0.5 9.9 <5 <br /> 10/5/00 <50 <0.5 <0.5 <0.5 <0.5 <5 <5 <br /> MW-3 4/30/99 <50 <0.5 1 1 4 <1 <1 <br /> 7/21/99 230 <0.5 3 <0.5 <1 12,000 <100 <br /> 10/18/99 400 2 1 0.8 5 <1 <1 <br /> 1/20100 25,000 <125 <125 <125 <125 58,000 N.R. <br /> 2/17100 N.R. <1 <1 <1 <1 49,000 N.R. <br /> 416/00 16,000 <100 <100 <100 <100 43,000 N.R. <br /> 7/5/00 55,000 <100 <100 <100 <100 52,000 <2,500 <br /> 1015/00 94,000 <0.5 <0.5 <0.5 <0.5 110,000 <5,000 <br /> <1 <1 <1 <br /> BB-1 4/30!99 <50 <0.5 <0.5 <0.5 <1 N.R. N.R. <br /> 7/21/99 <50 <0.5 <0.5 <0.5 <br /> 10/18/99 <50 <0.5 <0.5 <0.5 <1 N.R. N.R. <br /> 1/20100 <50 <0.5 <0.5 <0.5 <1 N.R. N.R. <br /> 2117/00 N.R. N.R. N.R. N.R. N.R. N.R. N.R. <br /> 4/6/00 <50 <0.5 <0.5 <0.5 <0.5 N.R. N.R. <br /> 7/5/00 N.R. N.R. N.R. N.R. N.R. N.R. N.R. <br /> 10/5/00 N.R. N.R. N.R. N.R. N.R. N.R. N.R. <br /> t-AME t-Amyl Methyl Ether <br /> TPHg Total Petroleum Hydrocarbons as Gasoline Current Central Valley RWQCB Water Quality Goals <br /> ug/I Micrograms per Liter Toluene 42 ppb <br /> < Below laboratory Detection Limit Ethyl Benzene 29 ppb <br /> N.R. Note Requested Xylenes 17 ppb <br /> MTBE Methyl-tertiary-butyl ether Benzene 1 ppb <br /> TPHg 5 ppb <br /> Foot Notes: <br /> 1 Results within quantitation range;chromatigraphic pattern not typical of fuel. <br /> 2 Confirmation sampling • <br /> Compliance <br /> C1 Closure. Inc. <br />