**This tool has been taken offline by NRCS. A new tool will be added soon.**
This material is based upon work that is supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture (award number 2015-68007-23193) and the U.S. EPA (award number 83675301). Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture or U.S. EPA.