MLchartDataset catalogue

Time-Weighted Average

Term · Environment · MLC-T-ENV-028165

1. The average value of a parameter (e.g., concentration of a chemical in air) that varies over time.

2. In air sampling, the average air concentration of contaminants during a given period.

3. A concentration averaged over a specified time period (e.g., an 8-hour workday or a 40-hour workweek).

Table 1. Record
IdentifierMLC-T-ENV-028165
FieldEnvironment
SubjectPolicy and guidance
AbbreviationTWA
ReferencesDrinking Water Technical & Legal Terms; Terms of Environment; Health Effects Notebook Glossary
Record as JSON
{
  "id": "MLC-T-ENV-028165",
  "term": "Time-Weighted Average",
  "field": "Environment",
  "definition": "1. The average value of a parameter (e.g., concentration of a chemical in air) that varies over time.\n\n2. In air sampling, the average air concentration of contaminants during a given period.\n\n3. A concentration averaged over a specified time period (e.g., an 8-hour workday or a 40-hour workweek).",
  "abbreviation": "TWA",
  "subject": "Policy and guidance",
  "references": [
    "Drinking Water Technical & Legal Terms",
    "Terms of Environment",
    "Health Effects Notebook Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/time-weighted-average/"
}

Record 28,165 of 30,736 in Environment terminology (MLC-0121). Request the full dataset.