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Oct
27
2021
Photo
Jon Van Dommelen of the Ohio EPA giving a demonstration at the Yellow Springs wastewater plant on how to troubleshoot nitrification and denitrification with online nitrate and ammonium sensors. (photo by Diane Chiddister)

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Jon Van Dommelen of the Ohio EPA giving a demonstration at the Yellow Springs wastewater plant on how to troubleshoot nitrification and denitrification with online nitrate and ammonium sensors. (photo by Diane Chiddister)

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