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1 <br />' Table 1 <br /> Permissible Contaminant Concentrations in Sod and Water <br />' Chevron Service Station 9-2396 <br /> 25651 Highway 99 North <br /> Acampo,California <br /> 1 Soil Water <br /> PRG° PRGe Background MCL Det Lim Det Lim <br />' Constituent Type (mg/kg) (m /L) (Ppm) m /L) (Ppm) (m IL) <br /> Benzene organic 1 3 0 34 NR 1 00010 0 5d <br /> Ethylbenzene organic 20 2 9 NR 100 00010 0 5d <br />' MtBE organic 36 6 2 NR 13 0 001` 2 Od <br /> TPHg organic 100 NR NR 100 10` 50d <br /> TPHd organic 100 NR NR 100 10` 50d <br /> Toluene organic 520 720 NR 150 00010 0 5d <br /> tXylene organic 420 210 NR 1,750 00010 0 5d <br /> Arsenic inorganic 1 6 0 045 0 8-4 7 50 1 0' NR <br /> Barium inorganic 67,000 2 600 324-379 1,000 501, NR <br /> Cadmium inorganic 450 18 0 05-0 73 5 0 5" NR <br /> Chromium inorganic 450 110 26-49 50 500 NR <br /> Cobalt inorganic 1,900 730 4 3-8 8 NIA 500 NR <br /> lieCopper inorganic 41 000 1,500 13 7-24 4 1,300 5 0' NR <br /> Lead inorganic 150 00036 21 3-274 5 506 NR <br /> Nickel Enorganic 20,000 730 15-113 100 5 04 NR <br /> Zinc inorganic 100,000 11,000 122-182 5,000 5 e NR <br /> EXPLANATION <br /> 1 TPHg = Total Petroleum Hydrocarbons as gasoline <br /> TPHd = Total Petroleum Hydrocarbons as diesel <br /> MtBE = Methyl tert-butyl ether <br /> N/A = Not available <br />' NR Not reported by agency responsible for study <br /> PRG° = 2002 USEPA Regopm IX Preliminary Remediation Goals for Residential Sod <br /> PRGa = 2002 USEPA Regopm IX Preliminary Remediation Goals for Tap Water <br /> Det Lim = Detection limits reported by the analytical laboratory responsible for analyses <br />' Background = Reported background concentrations in CA sods by Kearney <br /> MCL = Maximum Contaminant Level <br /> mg/L = micrograms per liter(parts per billion) <br /> mg/kg = milligrams per kilogram(parts per million) <br /> c = Data reported by Lancaster Laboratories, Lancaster, Pennsylvaina <br /> d = Data reported by Gettler-Ryan Incorporated,Dublin,California <br /> e = Data reported by Touchstone Developments,Santa Rosa,California <br /> IChevron1923961tableslAction_Levels As 1 <br />