lawn sprinkler systems / sinks indicating chemicals / backflow prevention devices / underground home heating oil / cafeteria equipment / lab equipment / public water systems / nearby municipal water systems / food preparation / chemical / point-of-use devices / fuel oil distributors / ground water systems / water systems / public drinking water systems / food / community water systems / community systems / fire sprinkler systems / /
Organization
United States Environmental Protection Agency / National Research Council / Nuclear Regulatory Commission / Lead and Copper Rule School / office of Ground Water and Drinking Water / National Association of School Nurses / Your School / Environmental Protection Agency / /
Person
Obama / /
Position
custodian / teacher / mouthpiece and protective guard / President / local building/ plumbing inspector / /