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).
| Identifier | MLC-T-ENV-028165 |
|---|---|
| Field | Environment |
| Subject | Policy and guidance |
| Abbreviation | TWA |
| References | Drinking 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.