Volatile Organic Concentration

{
  "id": "MLC-T-ENV-029826",
  "term": "Volatile Organic Concentration",
  "field": "Environment",
  "definition": "Fraction by weight of the volatile organic compounds contained in a hazardous waste expressed in terms of parts per million (ppmw) as determined by direct measurement or by knowledge of the waste in accordance with the requirements of § 265.1084 of this subpart. For the purpose of determining the VO concentration of a hazardous waste, organic compounds with a Henry's law constant value of at least 0.1 mole-fraction-in-the-gas-phase/mole-fraction-in the liquid-phase (0.1 Y/X) (which can also be expressed as 1.8×10?6 atmospheres/gram-mole/m3) at 25 degrees Celsius must be included. Appendix VI of this subpart presents a list of compounds known to have a Henry's law constant value less than the cutoff level.",
  "abbreviation": "VO Concentration",
  "references": [
    "40 CFR 265.1081 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/volatile-organic-concentration/"
}