Engineering, 27.09.2021 19:50, heathhm60541

1. What does sphere standard means? Give some examples of sphere standard 1. indicators relative to sanitation and hygiene? 2. What are the different types of water treatment methodologies you know? Explain
3. What is the difference between disinfection and chlorination? Explain
4. How do you identify potential sources of contamination to conduct a water quality testing at water sources and at household’s levels?

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1. What does sphere standard means? Give some examples of sphere standard 1. indicators relative to...