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Life Cycle Cost Approach

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→‎Sanitation

The sanitation service ladder is designed to describe domestic (household) sanitation (Potter et al., 2011). The service criteria for sanitation are accessibility, use, reliability and environmental protection (see table 1). The household service level is decided by the lowest level of service received on one of the four service criteria—accessibility, use, reliability and environmental protection. These criteria can vary across countries, with the basic level of service being the national norm. Typically, a higher level of service means more of every criterion. Each criterion is measured by one or more indicators. For example, the indicator for the use criterion is how many people in the household use the sanitation facility.

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'''Table 1. Sanitation service levels'''

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