WASH (Water, Sanitation, and Hygiene) Officer Question:

What is Colilert test?

WASH Officer Interview Question
WASH Officer Interview Question

Answer:

A test for detecting coliforms and E. coli in water that produces results rapidly. The Colilert test suggested in this document is a presence/absence test. It is inexpensive and detects E. coli down to 10 coliform forming units (CFU) per 100ml, below which is considered low risk.


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