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Workers testing well water for arsenic in Bangladesh will paint wells green if arsenic levels are within safety limits, and will paint wells red if
Workers testing well water for arsenic in Bangladesh will paint wells green if arsenic levels are within safety limits, and will paint wells red if water exceeds safety limits. Since the red-painted wells were left operational, people sometimes continued to use these wells. Applying the hierarchy of controls, this is an example of... Group of answer choices PPE An administrative control Elimination An engineering control
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