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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M/DBP – Microbial/Disinfectants and Disinfection Byproduct
Sample collected from the location in the distribution system with the maximum residence time.
CaCO3 or CaO - Quick lime.
Levels for Reduced TTHM/HAA5 Monitoring
040 mg/L and .030 mg/L for TTHM and HAA5, respectively for all water systems except small GW systems.
Plant that has formed a symbiotic relationship with bacteria (rhizobia) that have the capability to fix nitrogen (convert atmospheric nitrogen into a usable form for plants) addition, such as soybeans, alfalfa, red clover and trefoil.
Lead Service Lines
Lead and Copper Rule
Lead and Copper Rule (LCR)
To dissolve out by the action of a percolating liquid.
LCR - Lead and Copper Rule