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ATC <br /> TABLE 5 - Log of Analytical Results for Samples from Groundwater Treatment System <br /> 151 S Main Street, Manteca California <br /> n uen < <br /> Effluent 09/27/98 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 NS/NA --- --- <br /> Influent 12/20/98 8200 220 140 140 1900 NA <br /> Interim 12/20/98 2300 110 21 19 400 NA <br /> Effluent 12/20/98 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 NA ND<15 --- --- <br /> Influent 03/25/99 4,200 210 93 120 1800 ND<5 0 <br /> Interim 03/25/99 9,600 160 68 49 1100 63 <br /> Effluent 03/25/99 57 42 ND<0 5 ND<0 5 5 ND<5 0 ND<15 --- --- <br /> Upon receipt of results system shut down until carbon changeout <br /> Influent 05/23/99 6,900 110 51 62 1000 ND<5 0 <br /> Effluent 05/23/99 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 NS/NA --- --- <br /> �j <br /> TPHg = Total Petroleum Hydrocarbons as Gasoline <br /> MTBE = Methyl Tertiary Butyl Ether <br /> ug/l_ = micrograms per liter(approximate parts-per-billion) <br /> Influent = Pre-Carbon#1 <br /> Interim = Post Carbon#1, Pre Carbon#2 <br /> Effluent = Post-Carbon#2, Discharge <br /> ND = Not Detected at the reporting limit of(reporting timet) <br /> NS= Not Sampled NA = Not Applicaple <br /> Influent sample collected from extraction well E-1 influent only <br /> i <br />