NIOSH recommended exposure limit

{
  "id": "MLC-T-ENV-018603",
  "term": "NIOSH recommended exposure limit",
  "field": "Environment",
  "term_source": "NIOSH Recommended Exposure Limit",
  "definition": "A NIOSH REL may be a time-weighted average (TWA) concentration for up to a 10-hour workday during a 40-hour week time-weighted-average exposure and/or a ceiling, which, unless otherwise noted should not be exceeded at any time. A short-term exposure limit (STEL), unless otherwise noted, is a 15-minute TWA exposure that should not be exceeded at any time during the workday. See NIOSH Pocket Guide to Chemical Hazards.",
  "abbreviation": "NIOSH REL",
  "subject": "Air",
  "references": [
    "Health Effects Notebook Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/niosh-recommended-exposure-limit/"
}