unicef drinking water quality tủ tài liệu bách khoa

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unicef drinking water quality tủ tài liệu bách khoa

World HealthOrganizationuniceWRapid Assessment of Drinking Water QualityA handbook for implementationContents1.0 Introduction.........................

unicef drinking water quality tủ tài liệu bách khoa..............................................11.2Rapid assessments..............................................................11.3Parameter selecti

on............................................................21.4Link to monitoring programmes..................................................32.0 unicef drinking water quality tủ tài liệu bách khoa

Water and health..................................................................63.0 Assessment survey design.......................................

unicef drinking water quality tủ tài liệu bách khoa

...................83.1Defining a water supply........................................................93.2Estimating a proportion for use in calculati

World HealthOrganizationuniceWRapid Assessment of Drinking Water QualityA handbook for implementationContents1.0 Introduction.........................

unicef drinking water quality tủ tài liệu bách khoa..............................................123.2.3Review of existing water quality.........................................123.3Design effect......

...........................................................133.4Calculating the sample size...................................................143.5Def unicef drinking water quality tủ tài liệu bách khoa

ining the clusters and stratification......................................153.5.1Proportional weighting to water technology types - primary stratific

unicef drinking water quality tủ tài liệu bách khoa

ation..153.5.2Proportional weighting bv area - secondary stratification................173.5.3Defining and selecting 'large area' sampling units......

World HealthOrganizationuniceWRapid Assessment of Drinking Water QualityA handbook for implementationContents1.0 Introduction.........................

unicef drinking water quality tủ tài liệu bách khoa.............................203.7Sampling of water supplies...................................................213.8Implementation in the field.......

...........................................213.8.1Recording the results.....................................................223.9Analysis of the data. unicef drinking water quality tủ tài liệu bách khoa

........................................................223.10The final assessment report.................................................223.10.1Intr

unicef drinking water quality tủ tài liệu bách khoa

oduction............................................................223.10.2Study sites.............................................................22

World HealthOrganizationuniceWRapid Assessment of Drinking Water QualityA handbook for implementationContents1.0 Introduction.........................

unicef drinking water quality tủ tài liệu bách khoa........233.10.5Discussion..............................................................233.10.6Conclusions and recommendations.......................

..................233.10.7Annexes.................................................................23 unicef drinking water quality tủ tài liệu bách khoa

World HealthOrganizationuniceWRapid Assessment of Drinking Water QualityA handbook for implementationContents1.0 Introduction.........................