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Ta, <br /> Summary of GroundwIr Analytical Results <br /> 1615-1650 West 11th Street,Tracy, CA <br /> (Public Storage No. 99157) <br /> Total LUFT 5 Metals Dissolved LUFT 5 Metals <br /> Monitoring EPA 6010/7000 EPA 6010/7000 <br /> Well Sample Cd Cr Pb Ni Zn Cd Cr Pb Ni Zn <br /> Number Type (mg/L) (mg/L.) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) <br /> MW-1 Groundwater -U.005 0.025 0.0097 •-0105 '005 '0.005 o.oa`.; <O.Oc� '0.05 0.05 <br /> MW-3 Groundwater -0.005 .0.00:. <0005 0.05 -0.05 '0.005 '0.005 --0.001 <0.05 <0.05 <br /> MW 4 Groundwater :0.005 O.Oi2 O.DO, U.US 0.05 '0.005 10.005 10.005 <0.05 <0.05 <br /> CA MCL 0.005 0.050 0.015' 0.100 5 0.005 0.050 0.015' 0.100 5 <br /> CA MCL = California EPA Primary Maximum Contaminant Level(California Regional Water Quality Control Board,1996) <br /> Cd = Cadmium <br /> Cr = Chromium(Total) <br /> Pb = Lead <br /> Ni = Nickel <br /> Zn = Zinc <br /> = U.S.EPA MCL(Cal EPA MCL for lead is not listed) <br /> <0.05 = Compound was not detected at concentrations above the method reporting limit of 0.05 mg/I <br /> mg/L = milligrams per liter. <br /> TEPH EPA 8020 <br /> Monitoring EPA 8015M Ethyl- Total <br /> Well Sample Gasoline MTBE Benzene Toluene benzene xylenes <br /> Number Type (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> MW-1 Groundwater na na I ria na na na <br /> MW-3 Groundwater :50 '0.05 x.0.5 .5 <0.5 10.5 <br /> MW-4 Groundwater 97 0.0`.; 1.1 ,0.5 2.2 16 <br /> CA MCL NL 1 35" 1 150 700 1750 <br /> ug/L = Micrograms per liter(note:1 ug/l=1 part per billion[ppb]) <br /> MTBE = Methyl-tertiary-butyl-ether(gasoline additive) <br /> = Interim Guidance threshold as suggested by the California Department of <br /> Toxic Substances Control(DTSC) <br /> NL = Not Listed <br /> CA MCL = California EPA Primary Maximum Contaminant Level(California Regional Water Quality Control Board,1996) <br /> na = Not analyzed <br /> red = Denotes value exceeding California EPA Primary Maximim Contaminant Level <br />