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Phosphorus Removal Structures
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The P-TRAP software allows a user to design different types of phosphorus removal structures based on site conditions, phosphorus absorbing material characteristics and structure parameters. The P-TRAP software allows users to explore different designs to meet performance goals for P removal amounts and material lifetime. A database of P absorbing material characteristics is included based on previous laboratory experiments.

Proceed to the P-TRAP website by clicking on the link below.

P-TRAP Software Website

For additional information contact Chad Penn: chad.penn@usda.gov