HEPA Filter

{
  "id": "MLC-T-ENV-013160",
  "term": "HEPA Filter",
  "field": "Environment",
  "definition": "1. High-efficiency particulate air filters that are rated to achieve a minimum initial particle-removal efficiency of 99.97% using ASTM F 1471-93 (incorporated by reference in § 1065.1010).\n\n2. Filter that has a 99.97 percent reduction efficiency for 0.3 micron aerosol.\n\n3. Type of control device that uses a filter composed of a mat of randomly arranged fibers and is designed to remove at least 99.97 percent of airborne particles that are 0.3 micrometers or larger in diameter.",
  "references": [
    "40 CFR 1065.1001 (CFR 2013)",
    "40 CFR 63.742 (CFR 2013)",
    "40 CFR 63.11511 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/hepa-filter/"
}