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Figure 7 | Environmental Evidence

Figure 7

From: Are interventions to reduce the impact of arsenic contamination of groundwater on human health in developing countries effective? A systematic review

Figure 7

Percentage (95% CI) of samples meeting WHO guidelines for Coagulation, co-precipitation and filtration technologies. AIC, alum iron coagulation [21]; SIT(Ch1) – SIT(Ch6), Stevens Institute technology at six sites [43]; SIT [44], Stevens Institute technology [44]; BP Fer, BP & ferric alum [45]; P&G, Proctor and Gamble powder [33].

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