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290
285
273
237
232
212
190
160
148
135
126
113
77
68
60
46
37
6
2
This technical guideline has been prepared for the water supply operators to facilitate them identifying the risks of water contamination in source, treatment process, storage and distribution system, and the means to control these risks. The guidelines have been prepared with extensive use of photo
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graph to make it convenient for the water supply operators and mechanics who are working at different steps of a water supply system. Use of this document will help the water supply operators to supply safe water at consumer end
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