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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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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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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MCL
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Maximum Residual Disinfectant Level
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Maximum ResidenceThat area of the distribution system where the water has the longest standing time and the longest contact time with a chemical disinfectant.
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Maximum Contaminant Level GoalMaximum Contaminant Level Goal (MCLG) 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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Maximum Contaminant Level
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Mandatory Health Effects LanguageSpecific health effects language required for primary MCL or MRDL violation, treatment technique violations and violation of the condition of a variance or exemption.
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M/RMonitoring and Reporting
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M/DBPM/DBP – Microbial/Disinfectants and Disinfection Byproduct
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