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Randy Atkins: Tube wells bring underground water to people in many parts of the world. But, for millions, it’s naturally laced with arsenic.
Abul Hussam: My own home in Bangladesh, we had two tube wells, and both of them were contaminated.
Randy Atkins: Abul Hussam, of George Mason University, just won the Grainger Challenge Prize for a simple household method of removing arsenic. Gravity forces water through three specially-designed filters in a series of stacked buckets.
Abul Hussam: It’s about thirty-five dollars, and it is guaranteed to work for five years.
Randy Atkins: Hussam says his relatives now have safe water, and he’ll use the prize money to bring his technology to others. With the National Academy of Engineering, Randy Atkins, WTOP Radio.