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TABLE 23-5 <br /> BRA CHEMICALS OF CONCERN <br /> STATE AND FEDERAL DRINKING WATER STANDARDS <br /> Federal State Proposition 6.5 Standards California Proposed Race nmendod US EPA Ambient <br /> MCL MCL Drinking Water Standards and Secondary MCL (p&4) Public Health Levels for Cont- Water Criteria <br /> (119/1) (11911) DHS Action Levels(pgA) (pgA) aminanu in Drinking Water(pgA) (p&4) <br /> Carbon Tetrachloride 5 03 'MCLO 0 NE 23-carcinogenic no significant OS 03 <br /> risk an this level <br /> Chlomfina(total of W 100 100 NE NE 43-carcinogenic no significant NE 0.19 <br /> trihalomethanes) risk at this level <br /> 1,1-Diehloroethene(DCF) 7 6 'MCLO 7 NE NE 6 0.033 <br /> Dieldrin NE NE Action Leel.05 HE 0.02-carcinogenic no significant NE 0.000071 <br /> risk at this level <br /> Simazine NE 10 'MCL 1 MCLG 1 NE NE NE NE <br /> Tetrachloro shone(PCE) 5 5 MCLO 0 NE 7-carcinogenic no significant 0.7 0.7 <br /> risk at this level <br /> Trichloroetherc(T(E) 5 5 MCLO 0 NE 30-carcinogenic no significant 25 27 <br /> risk at this level <br /> Arsenic 50 50 a MCLO 0 - NE 5•,0.3-carcinogenic no NE - Q,QQ ZZ <br /> significant risk u this level <br /> Barium 1000 1000 'MCL 2000'MCLO 2000 NE NE NE NE <br /> Boron NE NE NE NE NE NE HE <br /> Chranium 100 50 MCLO 100 NE NE HE NE <br /> Led 15 5o MCLG 0 Action Level 15 NE 0.25-reproductive toxicant- NE HE <br /> 1/1000 of the no obeavd effect <br /> level <br /> Manganese HE NE HE 50 ped&Sure NE NE NE <br /> Merry 2 2 MCLO2 NE NE 2 NE <br /> Nickel NE NE MQ-100 MCLO 100 NE NE NE NE <br /> Nitrate 10,000 45,000(as MCLO 10,000(m N) NE NE NE NE <br /> (-N) NOJ <br /> Varudium NE NE NE NE NE NE NE <br /> Propoacd <br /> One in one trillion cancer risk level a I s 10�mon stringent of human health or aquatic organism criteria are presented • <br /> NE-not mutblished <br /> Sources:Compilation of Federal and State Drinking Water Standards and Criteria Some of California DepaNnent of Water Rewmces Division of Local Arsisnaan <br /> Proposed Reconmeoded Public Health Levels from California DHS Office of Drinking Water,Technical Program Branch. <br /> O.MM11.11>aY0<N YIMnIW <br />