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Meets annual WHO guideline
Exceeds by 1 to 2 timesInterim target 4
Exceeds by 2 to 3 timesInterim target 3
Exceeds by 3 to 5 timesInterim target 2
Exceeds by 5 to 7 timesInterim target 1
Exceeds by 7 to 10 timesExceeds target levels
Exceeds by over 10 timesExceeds target levels
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