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Regulated Contaminant I MCL I DLR I PHG I Date of I I MCL MCLG <br />u.uui I u.000b u.uuuu3 1 2uu3 1 1 u.uu1 I zero <br />0.05 1 0.05 1 0.05 <br />0.0002 1 0.0002 0.000032 1999 0.0002 0.0002 <br />Toxa heney <br />0.003 <br />0.001 <br />0.0000312018draft <br />0.003 <br />zero <br />1,2,3-Trichloropropane <br />0.000005 <br />0.000005 <br />0.0000007 <br />2,3,7,8-TCDD (dioxin) <br />3x10'e <br />5x10-9 <br />5x10-1' <br />3x10"e <br />zero <br />2,4,5-TP Silvex <br />0.05 <br />0.001 <br />0.003 <br />0.05 <br />0.05 <br />Chemicals with MCLs in 22 CCR §64533-Disinfection Byproducts <br />Total Trihalomethanes 0.080 <br />- <br />0.080 <br />Bromodichloromethane <br />-- <br />0.0010 <br />0.00006 <br />zero <br />Bromoform <br />0.0010 <br />0.0005 <br />zero <br />Chloroform <br />0.0010 <br />0.0004 <br />2018 draft <br />- <br />0.07 <br />Dibromochloromethane <br />- <br />0.0010 <br />0.0001 <br />2018 draft <br />0.06 <br />Haloacetic Acids (five) (HAA5) <br />0.060 <br />-- <br />0.060 <br />MonochloroaceticAcid <br />- <br />0.0020 <br />- <br />0.07 <br />Dichloroacetic Adic <br />0.0010 <br />-- <br />zero <br />Trichloroacetic Acid <br />0.0010 <br />-- <br />0.02 <br />Monobromoacetic Acid <br />0.0010 <br />-- <br />Dibromoacetic Acid <br />-- <br />0.0010 <br />- <br />Bromate <br />0.010 <br />0.0050** <br />0.0001 <br />2009 <br />0.01 <br />zero <br />Chlorite <br />1.0 <br />0.020 <br />0.05 <br />2009 <br />1 <br />0.8 <br />Chemicals with PHGs established in response to DDW requests. These are not <br />currently regulated drinking water contaminants. <br />N-Nitrosodimethylamine (NDMA) I - I -- 1 0.000003-- <br />*OEHHA's review of this chemical during the year indicated (rev20XX) resulted in no change <br />in the PHG. <br />**The DLR for Bromate is 0.0010 mg/L for analysis performed using EPA Method 317.0 <br />Revision 2.0, 321.8, or 326.0. <br />Page 3 of 3 6/17/2019 <br />75C-19 <br />