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64444.5. Maximum Contaminant Levels. <br />The maximum contaminant levels for the primary drinking <br />water constituents shown in Table 5 shall not be exceeded in <br />the water supplied to the public. <br />Table 5 <br />:�• <br />Maximum Contaminant <br />Levels <br />Organic Chemicals <br />Constituent <br />Maximum Contami- <br />nant Level, mg/l <br />(a) chlorinated Hydrocarbons <br />Endrin .......................... <br />Lindane.. <br />0.0002 r' <br />................... <br />0.004 ` <br />Methoxychlor ................... <br />Toxaphene.. <br />.0.1 <br />........ <br />(b) Chlorophenoxys <br />0.005 <br />2, 4-D.......................... <br />2, 4, 5 -TP Silvex............... <br />0.1 <br />(c) Synthetics <br />0.01 <br />Atrazine <br />........................ <br />Bentazon <br />0.003 <br />........................ <br />Benzene........ <br />0.018 <br />........... <br />Carbon Tetrachloride............ <br />0.001 <br />1,4-Dichl.orobenzene <br />0.0005 <br />............. <br />1,2-Dichloroethane <br />•,10.005 <br />.............. <br />;0.0005 <br />1,1-Dichloroethylene............ <br />1,3-Dichloropropene <br />110.006 <br />............. <br />Ethylbenzene <br />!10.0005 <br />................ .... <br />Ethylene Dibromide <br />!i 0.680 <br />.............. <br />Molinate <br />0.00002 <br />.................... .... <br />Monochlorobenzene............... <br />10.02 <br />Simazine <br />0.030 <br />.................... <br />1,1,2,2 -Tetrachloroethane....... <br />0.01 <br />Tetrachloroethylene <br />0.001 <br />............. <br />Thi.obencarb <br />0.005 <br />................ ..... <br />1,1,1 -Trichloroethane........... <br />0.07 <br />1,1,2 -Trichloroethane........... <br />0.200 — — - <br />Trichloroethylene <br />0.032 <br />.............. <br />Vinyl Chloride <br />0.005 <br />............. <br />Xylenes <br />0.0005 <br />......................... <br />.1.750* <br />*MCL is for either single isomer or the <br />sum of the isomers. <br />Note: Authority cited: Sections 208 <br />and 4026, Health and <br />Safety Code. <br />Reference: Section 4017, 4024, Health <br />and Safaty Code. <br />64445. Initial Sampling. <br />(a) Each water system shall collect a minimum of one <br />sample every three months for one year from each water source <br />at a point prior to any treatment and test for all chemicals <br />listed in Section 64444.5, Table 5. For surface sources, the <br />samples shall be taken at each water intake. For groundwater <br />-17- <br />