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May 28, 2017

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Principal research chemist Brett Vanderford works to ensure the region's water is safe within the SNWA's massive testing facility out near Lake Mead on Wednesday, July 9, 2014.

L.E. Baskow

Principal research chemist Brett Vanderford works to ensure the region's water is safe within the SNWA's massive testing facility out near Lake Mead on Wednesday, July 9, 2014.