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.
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NonsettleableParticles that take a lengthy amount of time to settle by gravity (i.e. many hours, days, or years).
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Non-Exceptional Quality BiosolidsNon-exceptional quality biosolids are biosolids that meet specified pollutant and pathogen reduction criteria. Criteria for non-exceptional quality biosolids are less stringent than criteria for exceptional quality biosolids. Note: The term 'Biosolids' can be used to refer to all categories of biosolids collectively, or can be used to refer specifically to the category non-exceptional quality biosolids.
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Noncommunity Water SystemNoncommunity Water System (NCWS)
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NOMNOM – Natural Organic Matter
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Nitrogenous BODNitrogenous 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.
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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.
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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).
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NitrifiersSpecialized bacteria (such as Nitrosomonas and Nitrobacter) that change ammonia and organic nitrogen in wastewater, into oxidized nitrogen (usually nitrate).
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Nitrification
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NCWSNCWS - Noncommunity Water System
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