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Regulated Contaminant <br />MCL <br />DLR <br />PHG <br />Date of <br />PHG <br />Radium-226 + Radium-228 <br />5 <br />Strontium-90 <br />8 <br />2 <br />0.35 <br />2006 <br />Tritium <br />20,000 <br />1 1,000 <br />1 400 <br />2006 <br />Uranium <br />20 <br />1 1 <br />1 0.43 <br />2001 <br />Chemicals with MCLs in 22 CCR §64444-Organic Chemicals <br />(a) Volatile Organic Chemicals (VOCs) <br />Benzene <br />0.001 <br />0.0005 <br />0.00016 <br />2001 <br />Carbon tetrachloride <br />0.0005 <br />0.0005 <br />0.0001 <br />2000 <br />1,2-Dichlorobenzene <br />0.6 <br />0.0005 <br />0.6 <br />1997 <br />ev2009 <br />1,4-Dichlorobenzene -DCB <br />0.005 <br />0.0005 <br />0.006 <br />1997 <br />1,1-Dichloroethane 1,1-DCA <br />0.005 <br />0.0005 <br />0.003 <br />2003 <br />1,2-Dichloroethane (1,2-DCA) <br />0.0005 <br />0.0005 <br />0.0004 <br />1999 <br />rev2005 <br />1,1-Dichloroeth lene 1,1-DCE <br />0.006 <br />0.0005 <br />1 0.01 <br />1999 <br />cis-1,2-Dichloroeth lene <br />0.006 <br />0.0005 <br />0.013 <br />2018 <br />trans-1,2-Dichloroeth lene <br />0.01 <br />0.0005 <br />0.05 <br />2018 <br />Dichloromethane (Methylene chloride) <br />0.005 <br />0.0005 <br />0.004 <br />2000 <br />1,2-Dichloro ro ane <br />0.005 <br />0.0005 <br />0.0005 <br />1999 <br />1,3-Dichloropropene <br />0,0005 <br />0.0005 <br />0.0002 <br />1999 <br />rev2006 <br />Eth (benzene <br />0.3 <br />0.0005 <br />0.3 <br />1997 <br />Methyl tertiary butyl ether MTBE <br />0.013 <br />0.003 <br />0.013 <br />1999 <br />Monochlorobenzene <br />0.07 <br />0.0005 <br />0.07 <br />2014 <br />Styrene <br />0.1 <br />0.0005 <br />0.0005 <br />2010 <br />1,1,2,2-Tetrachloroethane <br />0.001 <br />0.0005 <br />1 0.0001 <br />2003 <br />Tetrachloroeth lene PCE <br />0.005 <br />0.0005 <br />1 0.00006 <br />2001 <br />Toluene <br />0.15 <br />0.0005 <br />0.15 <br />1999 <br />1,2,4-Trichoorobenzene <br />0.005 <br />0.0005 <br />0.005 <br />1999 <br />1,1,1-Trichloroethane 1,1,1-TCA <br />0.200 <br />0.0005 <br />1 <br />2006 <br />1,1,2-Trichloroethane 1,1,2-TCA <br />0.005 <br />0.0005 <br />0.0003 <br />2006 <br />Trichloroeth lene TCE <br />0.005 <br />0.0005 <br />0.0017 <br />2009 <br />Trichlorofluoromethane Freon 11 <br />0.15 <br />0.005 <br />1.3 1 <br />2014 <br />1,1,2-Trichloro-1,2,2-Trifluoroethane (Freon <br />113 <br />1.2 <br />0.01 <br />4 <br />1997 <br />rev2011 <br />Vinyl chloride <br />0.0005 <br />0.0005 <br />0.00005 <br />2000 <br />X lenes <br />1.750 <br />0.0005 1 <br />1.8 <br />1997 <br />(b) Non -Volatile Synthetic Organic Chemicals (SOCs) <br />Alachlor <br />0.002 <br />0.001 <br />0.004 <br />1997 <br />Atrazine <br />0.001 <br />0.0005 <br />0.00015 <br />1999 <br />Bentazon <br />0.018 <br />0.002 <br />0.2 <br />1999 <br />ev2009 <br />Benzo a rene <br />0.0002 <br />0.0001 <br />0.000007 <br />2010 <br />Carbofuran <br />0.018 <br />0.005 <br />0.0007 <br />2016 <br />Chlordane <br />0.0001 <br />0.0001 <br />0.00003 <br />1997 <br />rev2006 <br />Dalapon <br />0.2 <br />0.01 <br />0.79 <br />1997 <br />rev2009 <br />1,2-Dibromo-3-chloropropane(DBCP) <br />0.0002 <br />0.00001 1 <br />0.0000017 <br />1999 <br />2,4-Dichlorophenoxyacetic acid (2,4-D) <br />0.07 <br />0.01 <br />0.02 <br />2009 <br />Di 2-eth (hex I adi ate <br />0.4 <br />0.005 <br />0.2 <br />2003 <br />Di 2-eth (hex I hthalate DEHP <br />0.004 <br />0.003 <br />1 012 <br />1997 <br />Dinoseb <br />0.007 <br />0.002 <br />0.014 <br />1997 <br />rev2010 <br />Page 2 of 3 <br />MCL MCLG <br />5 <br />zero <br />30 µ /L <br />zero <br />0.005 <br />zero <br />0.005 <br />zero <br />0.6 <br />0.6 <br />0.075 <br />0.075 <br />0.005 <br />zero <br />0.007 <br />0.007 <br />0.07 <br />0.07 <br />0.1 <br />0.1 <br />0.005 <br />zero <br />0.005 <br />zero <br />0.7 <br />0.7 <br />01 <br />0.1 <br />0.1 <br />0.1 <br />0.1 <br />0.1 <br />0.005 <br />zero <br />1 <br />1 <br />0.07 <br />0.07 <br />0.2 <br />0.2 <br />0.005 <br />0.003 <br />0.005 <br />zero <br />0.002 <br />zero <br />10 <br />10 <br />0.002 <br />zero <br />0.003 <br />0.003 <br />0.0002 <br />zero <br />0.04 <br />0.04 <br />0.002 <br />zero <br />0.2 <br />0.2 <br />0.0002 <br />zero <br />0.07 <br />0.07 <br />0.4 <br />0.4 <br />0.006 <br />zero <br />0.007 <br />0.007 <br />6/17/2019 <br />75C-18 <br />