Hourly Average

{
  "id": "MLC-T-ENV-013485",
  "term": "Hourly Average",
  "field": "Environment",
  "definition": "1. Arithmetic average of at least four CMS data values representing the four 15-minute periods in an hour, or at least two 15-minute data values during an hour when CMS calibration, quality assurance, or maintenance activities are being performed.\n\n2. Arithmetic mean of all measurements, taken during an hour. At least two measurements must be taken during the hour.concentration is the allowable increase in the average daily ground level ambient air concentration for a pollutant from the incineration of sewage sludge at or beyond the property line of the site where the sewage sludge incinerator is located.",
  "references": [
    "40 CFR 63.11237 (CFR 2013)",
    "40 CFR 503.41 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/hourly-average/"
}