Friday, April 26, 2024, 3:28 PM
Site: Pa. DEP Operator eLearning Center
Course: Pa. DEP Operator eLearning Center (PADEP)
Glossary: Course Glossary
Mean Cell Residence Time Mean Cell Residence Time (MCRT)
An expression of the average time that a microorganism or solid particle undergoes aeration in the activated sludge process.
- (BIO10) Estimating Sludge Volume (2343)
- (BNR01) Nitrification and Denitrification – An Introduction to Nitrogen Removal (1485)
- (BNR02) Nitrification Factors – Suspended Growth Treatment Systems (1821)
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MCRT MCRT - Mean Cell Residence Time
An expression of the average time that a microorganism or solid particle undergoes aeration in the activated sludge process.
- (BIO10) Estimating Sludge Volume (2343)
- (BNR01) Nitrification and Denitrification – An Introduction to Nitrogen Removal (1485)
- (BNR02) Nitrification Factors – Suspended Growth Treatment Systems (1821)
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MCLG MCLG – 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.
- (CCR01)Consumer Confidence Report (CCR) Overview (2338)
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MCL
- MCL - Maximum Contaminant Level
The maximum permissible level of a contaminant in water that is delivered to a user of a public water system.
- (CCR01)Consumer Confidence Report (CCR) Overview (2338)
- (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)
- (DBP14) DBP Rule Violations for Pa. PWSs using Chorine⁄Chloramines (1825)
- (DBP15) DBP Rule – Maintaining Compliance for Pa. PWSs using Chlorine/Chloramines (1570)
- (DBP20) DBP Rule Monitoring and Reporting for PWSs Using Chlorine Dioxide (1278)
- (DBP30) DBP Rule Monitoring and Reporting Requirements for PWSs Using Ozone (1279)
- (DBP40) Enhanced Coagulation – Basics (1280)
- (LCR11) LCR – Initial Planning, Monitoring and Reporting (1488)
- (PNR01) Public Notification – An Introduction for NCWSs (2332)
- (RAD01) Radionuclide Rule – Initial Monitoring and Reporting (1503)
- The highest amount of a contaminant that the EPA allows which helps ensure that drinking water does not pose either a short-term or long-term health risk. Unless otherwise specified, MCLs are defined in milligrams per liter (parts per million).
- (LCR10) Lead and Copper Rule — Basics (1423)
- (TCR01) Total Coliform Rule – Overview (1424)
- (TCR02) Total Coliform Rule – Monitoring And Reporting Requirements (1425)
- (TCR03) Total Coliform Rule – Maintaining Compliance (1426)
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Maximum Residual Disinfectant Level
- Maximum Residual Disinfectant Level (MRDL)
- (DBP01) DBP Rule – Overview (1282)
- (DBP14) DBP Rule Violations for Pa. PWSs using Chorine⁄Chloramines (1825)
- (DBP15) DBP Rule – Maintaining Compliance for Pa. PWSs using Chlorine/Chloramines (1570)
- (DBP30) DBP Rule – Monitoring and Reporting Requirements for PWSs Using Ozone (1279)
- (PNR01) Public Notification – An Introduction for NCWSs (2332)
- The maximum permissible level of a disinfectant added for water treatment that may not be exceeded at the consumer's tap without an unacceptable possibility of adverse health effects.
- (CCR01)Consumer Confidence Report (CCR) Overview (2338)
- (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)
- (DBP14) DBP Rule Violations for Pa. PWSs using Chorine⁄Chloramines (1825)
- (DBP20) DBP Rule Monitoring and Reporting for PWSs Using Chlorine Dioxide (1278)
- (PNR11) Public Notification – Violations and Tiers for NCWSs (2333)
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Maximum Residence That area of the distribution system where the water has the longest standing time and the longest contact time with a chemical disinfectant.
- (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)
- (DBP15) DBP Rule – Maintaining Compliance for Pa. PWSs using Chlorine/Chloramines (1570)
- (DBP30) DBP Rule Monitoring and Reporting Requirements for PWSs Using Ozone (1279)
- (DBP40) Enhanced Coagulation – Basics (1280)
- (LCR10) Lead and Copper Rule – Basics (1423)
- (LCR11) LCR – Initial Planning, Monitoring and Reporting (1488)
- (TCR01) Total Coliform Rule – Overview (1424)
- (TCR02) Total Coliform Rule – Monitoring And Reporting Requirements (1425)
- (TCR03) Total Coliform Rule – Maintaining Compliance (1426)
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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.
- (CCR01)Consumer Confidence Report (CCR) Overview (2338)
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Maximum Contaminant Level
- Maximum Contaminant Level (MCL)
- (CCR01)Consumer Confidence Report (CCR) Overview (2338)
- (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)
- (DBP14) DBP Rule Violations for Pa. PWSs using Chorine⁄Chloramines (1825)
- (DBP15) DBP Rule – Maintaining Compliance for Pa. PWSs using Chlorine/Chloramines (1570)
- (DBP20) DBP Rule Monitoring and Reporting for PWSs Using Chlorine Dioxide (1278)
- (DBP30) DBP Rule Monitoring and Reporting Requirements for PWSs Using Ozone (1279)
- (DBP40) Enhanced Coagulation – Basics (1280)
- (LCR11) LCR – Initial Planning, Monitoring and Reporting (1488)
- (PNR01) Public Notification – An Introduction for NCWSs (2332)
- (RAD01) Radionuclide Rule – Initial Monitoring and Reporting (1503)
- The highest amount of a contaminant that the EPA allows which helps ensure that drinking water does not pose either a short-term or long-term health risk. Unless otherwise specified, MCLs are defined in milligrams per liter (parts per million).
- (LCR10) Lead and Copper Rule — Basics (1423)
- (TCR01) Total Coliform Rule – Overview (1424)
- (TCR02) Total Coliform Rule – Monitoring And Reporting Requirements (1425)
- (TCR03) Total Coliform Rule – Maintaining Compliance (1426)
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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.
- (PNR10) Public Notification – An Introduction for NCWSs (2332)
- (PNR11) Public Notification – Violations and Tiers for NCWSs (2333)
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M/R Monitoring and Reporting
- (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)
- (DBP14) DBP Rule Violations for Pa. PWSs using Chorine⁄Chloramines (1825)
- (DBP15) DBP Rule – Maintaining Compliance for Pa. PWSs using Chlorine/Chloramines (1570)
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