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MCLs, DLRs, and PHGs for Regulated Drinking Water Contaminants <br />(Units are in milligrams per liter (mg /L), unless otherwise noted.) <br />Last Update: September 23, 2015 <br />Chemicals with PHGs established in response to DDW requests. These are not <br />currently regulated drinking water contaminants. <br />N- Nitrosodimethylamine (NDMA) <br />0.000003 <br />2006 <br />1,2,3 - Trichloropropane <br />0.0000007 <br />2009 <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 />Exhibit 3 <br />75C -18 <br />