This document describes the Global Positioning System (GPS) and procedures, methods and considerations to be used and observed when using GPS to record location data in the field. Guidance is provided on accuracy requirements for various uses of location data and potential means to obtain the requisite accuracy. This document contains direction developed solely to provide internal guidance to Laboratory Services and Applied Science Division (LSASD) employees.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
Global Positioning System (PDF)(18 pp, 1 MB,
May 5, 2020,
Global Positioning System