Download or read book Techniques for Tracking, Evaluating, and Reporting the Implementation of Nonpoint Source Control Measures written by U. S. Environmental Agency and published by CreateSpace. This book was released on 2015-04-21 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guidance is intended to assist state, regional, and local environmental professionals in tracking the implementation of best management practices (BMPs) used to control agricultural nonpoint source pollution. Information is provided on methods for selecting sites for evaluation, sample size estimation, sampling, and results evaluation and presentation. The focus of the guidance is on the statistical approaches needed to properly collect and analyze data that are accurate and defensible. A properly designed BMP implementation monitoring program can save both time and money. This document provides guidance for sampling representative farms to yield summary statistics at a fraction of the cost of a comprehensive inventory.