Course Glossary
This shows the specialized terms used in EarthWise Academy. This section contains all the definitions used in the various course glossaries used by each course.
Currently sorted By creation date ascending Sort chronologically: By last update | By creation date change to descending
N/A Site
|
National Pollutant Discharge Elimination SystemNational Pollutant Discharge Elimination System (NPDES)
|
National Primary Drinking Water RegulationsNational Primary Drinking Water Regulations (NPDWR) NPDWRs (or primary standards) are legally enforceable standards that apply to public water systems.
|
Natural Organic MatterNatural Organic Matter (NOM) - Organic matter that exists naturally in the water environment.
|
Natural RadiologicalsNaturally occurring radiological contaminants including gross alpha, radium-226, radium-228, and uranium.
|
nBODNitrogenous BOD (biochemical oxygen demand) - The stage of decomposition that occurs in biological treatment processes when specialized aerobic bacteria (nitrifiers), use DO to change ammonia to nitrate; sometimes referred to as second-stage BOD.
|
NCWSNCWS - Noncommunity Water System
|
Nitrification
|
NitrifiersSpecialized bacteria (such as Nitrosomonas and Nitrobacter) that change ammonia and organic nitrogen in wastewater, into oxidized nitrogen (usually nitrate).
|
Nitrifying BacteriaAlso known as nitrifiers Specialized bacteria (such as Nitrosomonas and Nitrobacter) that change ammonia and organic nitrogen in wastewater, into oxidized nitrogen (usually nitrate).
|