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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Entries starting with: M |
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Maximum Residual Disinfectant Level
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MCL
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MCLGMCLG – Maximum Contaminant Level Goal The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety.
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MCRTMCRT - Mean Cell Residence Time An expression of the average time that a microorganism or solid particle undergoes aeration in the activated sludge process.
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Mean Cell Residence TimeMean Cell Residence Time (MCRT) An expression of the average time that a microorganism or solid particle undergoes aeration in the activated sludge process.
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MethemoglobinemiaBlood disorder caused when nitrite, converted from nitrate in the digestive system, interacts with the hemoglobin in red blood cells forming methemoglobin which cannot carry sufficient oxygen to the body's cells and tissues.
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MGDMillion Gallons per Day
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Microbial/Disinfectants and Disinfection ByproductMicrobial/Disinfectants and Disinfection Byproduct – (M/DBP)
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Microflocs
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Million Gallons per DayMillion Gallons per Day – MGD
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