Transcription of Water sampling and analysis - WHO
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Water sampling and analysis - WHO
4. Water sampling AND analysis . 4. Water sampling and analysis Ideally, a laboratory infrastructure should be established which will enable all samples to be returned to a central or regional laboratory within a few hours of being taken. However, this depends on the availability of a good road system and of reliable motorized transport for all sampling officers, and these are not available in many countries. Thus, although it may be possible to establish well-equipped central and even regional laboratories for Water analysis , at the provincial and district levels it may be necessary to rely on a relatively small number of simple tests.
• The points chosen should generally yield samples that are representative of the system as a whole and of its main components. ... insulated box containing melting ice or ice-packs with water to ensure rapid cooling. If ice is not available, the transportation time must not exceed 2 hours.
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