Total Hydrocarbons

{
  "id": "MLC-T-ENV-028280",
  "term": "Total Hydrocarbons",
  "field": "Environment",
  "definition": "1. Combined mass of organic compounds measured by the specified procedure for measuring total hydrocarbon, expressed as a hydrocarbon with a hydrogen-to-carbon mass ratio of 1.85:1.[40 CFR 59.680 (CFR 2013)]\n\n2. Meaning given in 40 CFR 1065.1001. This generally means the combined mass of organic compounds measured by the specified procedure for measuring total hydrocarbon, expressed as a hydrocarbon with an atomic hydrogen-to-carbon ratio of 1.85:1. [40 CFR 1033.901 (CFR 2013)][40 CFR 1037.801 (CFR 2013)][40 CFR 1039.801 (CFR 2013)][40 1042.901 (CFR 2013)][40 CFR 1045.801 (CFR 2013)][40 CFR 1048.801 (CFR 2013)][40 CFR 1051.801 (CFR 2013)]\n\n3. Total hydrocarbon (THC).\n\n4. Organic compounds in the exit gas from a sewage sludge incinerator stack measured using a flame ionization detection instrument referenced to propane.\n\n5. Sum of organic compounds measured as carbon using EPA Method 25A (40 CFR part 60, appendix A-7). [40 CFR 63.861 (CFR 2018)]\n\n6. Combined mass of organic compounds measured by the specified procedure for measuring total hydrocarbon, expressed as a hydrocarbon with a hydrogen-to-carbon mass ratio of 1.85:1. This generally means the combined mass of organic compounds measured by the specified procedure for measuring total hydrocarbon, expressed as an atomic hydrocarbon with an atomic hydrogen-to-carbon ratio of 1.85:1.",
  "abbreviation": "THC",
  "synonyms": [
    "THC (Hydrocarbons)"
  ],
  "references": [
    "40 CFR 1065.1001 (CFR 2013)",
    "40 CFR 1054.801 (CFR 2013)",
    "40 CFR 59.680 (CFR 2013)",
    "40 CFR 503.41 (CFR 2013)",
    "40 CFR 63.7852 (CFR 2025)",
    "86 FR 34308; 40 CFR 1054.801 (CFR 2021)"
  ],
  "url": "https://mlchart.com/terminology/environment/total-hydrocarbons/"
}