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DrinV:ing Water Maximum Contaminant Levels <br />• <br />h ttp://w ww.d hs.ca. gov/ps/dd wem/chemicals/mc Vmcl i nd ex. htm <br />• <br />s Thiobencarb also has a primary MCL of 0.07 mg/L. <br />Constituent Secondary MCL Ranees <br />Recommended Upper Short Term <br />Total Dissolved Solids, or 500 1,000 1,500 <br />Specific Conductance, <br />micromhos 900 1,600 2,200 <br />Chloride 250 500 600 <br />Sulfate 250 500 600 <br />Return ro Top of Page <br />TABLE 4. CALIFORNIA DRIN[CII~1G WATER ACTION LEVELS <br />[All values in milligrams per liter (mg/L).] <br />Contaminant Action Level <br />/norgmtic Chemicals <br />Boron l <br />Perchlorate 0.018 <br /> <br />Organic Chemica[s <br />Aldicarb (Temik) h 0.01 <br />Aldrin h 0.00005 <br />Baygon 0.090 <br />a-Benzene Hexachloride (a-BHC) 0.0007 <br />b-Benzene Hexachloride (b-BHC) 0.0003 <br />~ <br />n-Butylbenzene (1-Bu[ylpropane) h I <br />0.045 <br />8 of 13 7/21 /99 3:32 PM <br />