OLCreate: HEAT_HEH_ET_1.0 Hygiene and Environmental Health Module: 16. Sanitary Survey of Drinking Water: Figure 16.4 Sanitary inspection of a protected spring. The numbers refer to the questions in Box 16.2. (Source: as Figure 16.3)

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Figure 16.4 Sanitary inspection of a protected spring. The numbers refer to the questions in Box 16.2. (Source: as Figure 16.3)

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