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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CaCO3 or CaO - Quick lime.
Sample collected from the location in the distribution system with the maximum residence time.
M/DBP – Microbial/Disinfectants and Disinfection Byproduct
Monitoring and Reporting
Mandatory Health Effects Language
Specific health effects language required for primary MCL or MRDL violation, treatment technique violations and violation of the condition of a variance or exemption.
Maximum Contaminant Level
Maximum Contaminant Level Goal
Maximum 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.
That area of the distribution system where the water has the longest standing time and the longest contact time with a chemical disinfectant.
Maximum Residual Disinfectant Level