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Drinking Water Maximum Contaminant Levels • http://www.dhs.ca.gov/ps/ddwem/chemicals/mcl/mclmdex.him <br />• <br />Lindane (gamma-BHC) 0.0002 <br />Methoxychlor 0.04 <br />Molinate (Ordam) ~0~.02 <br />Oxamyl ( <br />I 0.2 <br />Pentachlorophenol 0.001 <br />Picloram 0.5 <br />Polychlorinated biphenyls (PCBs) 0.0005 <br />Simazine (Princep) 0.004 <br />2,4,5-TP (Silvex) 0.05 <br />2,3,7,8-TCDD (Dioxin) 0.00000003 <br />Thiobencarb (Bolero)d 0.07 <br />Toxaphene 0.003 <br />u MFL =million fibers per liter, MCL is for fibers exceeding 10 microns in length. <br />n Including radium-226 but excluding radon and uranium. <br />` pCi/L = picocuries per liter. <br />d Also listed with a Secondary MCL of 0.001 mg/L. <br />TABLE 2. CALIFORNIA DRWKING WATER <br />LEAD AND COPPER <br />22 CCR §64672.3 <br />Chemical Action Level <br />Copper (Level [o be met at customer tap) 1.3e <br />Lead (Level to be met at customer tap) O.O15e <br />e The action levels for copper and lead are used to determine the treatment <br />requirements that a water system is required to complete. The action level for <br />copper is exceeded if the concentration of copper in more than 10 percent of <br />tap water samples collected during any monitoring period conducted in <br />6 0( 13 7/21/99 3:32 PM <br />