P. L. Sibrell is a researcher at the US Geological Survey. He investigates new engineering processes and practices for environmental restoration of natural aquatic resources and systems. Throughout his career, he developed and characterized novel treatment systems for the remediation of acid mine drainage and nutrient contamination at the bench and pilot scale.

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Phosphorus and Innovation Lakes, rivers and wetlands in Canada hold 7% of the world’s renewable freshwater resources with 10.8% of Ontario covered by freshwater. The 250,000 lakes, 500,000 km of rivers and streams, and vast groundwater resources in Ontario provide water supply and environmental and recreational benefits. However, water quality …

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