A data system operated by the U.S. Geological Survey (USGS) that compiles measurements of water pollutants concentrations taken at the downstream ends of all major water basins in the United States.
NATIONAL STREAM QUALITY ACCOUNTING NETWORK (NASQAN)
Meaning of NATIONAL STREAM QUALITY ACCOUNTING NETWORK (NASQAN) in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012