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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DRINKING WATER

Inorganic Matter

Particles produced by natural weathering of minerals. Examples include sand, salt, iron, calcium salts and other mineral materials.

  • (DBP01) DBP Rule – Overview (1282)
  • (DBP02) DBP Rule Monitoring and Reporting – Job Aids (1283)
  • (DBP10) DBP Rule Monitoring and Reporting for Chlorine⁄Chloramines (1284)
  • (DBP13) DBP Rule Monitoring and Reporting for TTHM⁄HAA5 (1285)

Interim Enhanced Surface Water Treatment Rule

Interim Enhanced Surface Water Treatment Rule – (IESWTR)

  • (DBP02) DBP Rule Monitoring and Reporting – Job Aids (1283)
  • (DBP10) DBP Rule Monitoring and Reporting for Chlorine⁄Chloramines (1284)
  • (DBP13) DBP Rule Monitoring and Reporting for TTHM⁄HAA5 (1285)

Intermittent TCR M/R Violators

Any PWS with 3 or less monthly or one quarterly monitoring violation during a 12 month period.

  • (TCR01) Total Coliform Rule – Overview (1424)
  • (TCR02) Total Coliform Rule – Monitoring And Reporting Requirements (1425)
  • (TCR03) Total Coliform Rule – Maintaining Compliance (1426)

Ion

An atom or molecule with an electrical charge.

  • (COA01) Coagulation – Part 1: The Chemistry of Coagulation (1248)
  • (COA02) Coagulation – Part 2: Coagulation Chemicals (1249)

Ionization

A process causing a movement of electrons within a compound (dissociation of ions) which subsequently causes metals to dissolve.

  • (LCR10) Lead and Copper Rule — Basics (1423)

Jar Testing

Laboratory, bench-scale tests designed to simulate the water plant's coagulation, flocculation, and sedimentation processes. The tests can be used to experiment with such things as different coagulants, polymers, and pH ranges.

photo of jar testing unit

  • (COA01) Coagulation – Part 1: The Chemistry of Coagulation (1248)
  • (COA02) Coagulation – Part 2: Coagulation Chemicals (1249)

 

LCR

LCR - Lead and Copper Rule

  • (LCR10) Lead and Copper Rule – Basics (1423)
  • (LCR11) LCR – Initial Planning, Monitoring and Reporting (1488)

Leaching

To dissolve out by the action of a percolating liquid.

  • (LCR10) Lead and Copper Rule – Basics (1423)
  • (LCR11) LCR – Initial Planning, Monitoring and Reporting (1488)

Lead and Copper Rule

Lead and Copper Rule (LCR)

  • (LCR10) Lead and Copper Rule – Basics (1423)
  • (LCR11) LCR – Initial Planning, Monitoring and Reporting (1488)

Lead Service Lines

  1. Lead Service Lines (LSLs)
    • (LCR10) Lead and Copper Rule – Basics (1423)
    • (LCR11) LCR – Initial Planning, Monitoring and Reporting (1488)
    • (LCR13) LCR Planning Tools for NTNCWS (2537)
  2. A service line made of lead that connects a water main to a building inlet. Also includes lead pigtails, goosenecks or other fittings when connected to a service line made of lead.
    • (LCR12) LCR Planning Tools for CWS (2536)

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