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(b) If any routine sample is total coliform-positive, the water supplier shall collect a repeat sample from the same location within 48 hours of being notified of the positive result. If the repeat sample is also total coliform-positive,the sample shall also be analyzed for the presence of fecal coliforms or Escherichia coli (E. Coli). The water supplier shall notify the local health officer within 48 hours from the time the results are received and shall take corrective actions as directed by the local health officer to eliminate the cause of the positive samples. (c) The local health office may require a state small water system to sample the distribution system each month, in lieu of the requirements of subsection (a), if the system has bacteriological contamination problems indicated by more than one total-coliform positive sample during the most recent 24 months of operation. The monthly sample shall be analyzed for the presence of total coliform bacteria by a laboratory certified by the Department for bacteriological analyses pursuant to Section 402513 of the Health and Safety Code. The results of the analyses shall be reported to the local health officer no later than the I Oth day of the month following receipt of the results by the state small water system. §64213. Chemical Quality Monitoring. (a) Each water supplier operating a state small water system shall sample each source of supply prior to any treatment at least once. The sample shall be analyzed by a laboratory, certified by the Department pursuant to Section 4025 1 . of the Health and Safety Code, for _fluoride, iron, manganese, chlo3rides,:total dissolved solids, and the inorganic.chemicals listed in Table 64431-A, Section 64431(a). (b) Each groundwater source which has been designated as vulnerable by the local health officer pursuant to criteria set forth in Sections 64445(d)(1) and (2) shall be sampled by the water supplier operating the state small water system at least once prior to any treatment and analyzed i for volatile organic compounds according to Environmental Protection Agency Method 502.2, "Methods for the Determination of Organic Compounds in Finished Drinking Water and Raw Source Water," September 1986. The analysis shall be performed by a laboratory certjfred by the Department to perform Method 502.2 analyses for organic chemicals pursuant to Section 402517 of the Health and Safety Code. (c) The results of the laboratory analyses shall be submitted to the local health officer by the state small water system no Iater than the 10th'day of the month following receipt of the results by the state small water system. A copy of the results of the analyses and a comparison of the results with the maximum contaminant levels for those contaminants listed in Table 64431-A and B,Section 64431(a) and Table 64444-A ection 64444 shall be distributed by the state small water system to each regular user of the ater system within 90 days of receiving the 'results A copy of the distribution notice shall e provided to the local health officer. L, pv*AW 60 13 Section 4025 has been recodified to 116390. OAL.has been notified of this by request for a "change without regulatory effect". November 2004 48 California Safe Drinking Water Act&Related Laws and Regulations ill 4