Environmental Microbiology of Aquatic and Waste Systems

224 9 Municipal Purification of Water (d) Cyanide The destruction of cyanide by chlorine is most effective at high pH values (8. ...

9.3 Processes for the Municipal Purification of Water 225 was residual chlorine, it was combined residual chorine in chloro-orga ...

226 9 Municipal Purification of Water required for effective kills in outdoor disinfection in tropical countries, when the only ...

9.3 Processes for the Municipal Purification of Water 227 iodine concentration produce changes in current, which can be recorded ...

228 9 Municipal Purification of Water (b) Ozonation is a more complex technology than is chlorine or UV disinfection, requiring ...

9.3 Processes for the Municipal Purification of Water 229 Ozone is a very strong oxidant microbicide and virucide. The mechanism ...

230 9 Municipal Purification of Water not O2. Under these conditions, the insoluble oxides of these metals are reduced and trans ...

9.3 Processes for the Municipal Purification of Water 231 fluoride, sodium silicofluoride, and ammonium silicofluoride. Many Nor ...

232 9 Municipal Purification of Water pipes and any lead in solder used to join copper pipes, leading to increased lead levels i ...

9.5 Standards Required of Water 233 and caustic soda. In traditional ion exchange units, after the contaminants are trapped onto ...

234 9 Municipal Purification of Water Fig. 9.3 Flowchart for the manufacture of bottled water by a manufacturer ...

9.5 Standards Required of Water 235 the involvement of EPA, States, Tribes, drinking water utilities, communities and citizens, ...

236 9 Municipal Purification of Water Table 9.5 USEPA’s national primary and secondary standards for drinking water (As of 19 Ma ...

9.5 Standards Required of Water 237 Contaminant MRDLGa (mg/L)b MRDLa (mg/L)b Potential health effects from ingestion of water So ...

238 9 Municipal Purification of Water Contaminant MCLGa (mg/L)b MCL or TTa (mg/L)b Potential health effects from ingestion of wa ...

9.5 Standards Required of Water 239 Contaminant MCLGa (mg/L)b MCL or TTa (mg/L)b Potential health effects from ingestion of wate ...

240 9 Municipal Purification of Water Contaminant MCLGa (mg/L)b MCL or TTa (mg/L)b Potential health effects from ingestion of wa ...

9.5 Standards Required of Water 241 Table 9.5 (continued) (continued) Contaminant MCLGa (mg/L)b MCL or TTa (mg/L)b Potential hea ...

242 9 Municipal Purification of Water Table 9.5 (continued) (continued) Maximum Residual Disinfectant Level Goal (MRDLG) – The l ...

9.5 Standards Required of Water 243 regulations, at no time can turbidity (cloudiness of water) go above 5 nephelometric turbidi ...