Medium

{
  "id": "MLC-T-ENV-016893",
  "term": "Medium",
  "field": "Environment",
  "definition": "1. The environmental substance (e.g., air, water, soil) originally contaminated.\n\n2. The physical form of recorded information. Includes paper, film, disk, magnetic tape, and other materials on which information can be recorded.\n\n3. (Media) Specific environments - air, water, soil - that are the subject of regulatory concern and activities.\n\n4. The middle number or center value of a set of data in which all the data are arranged in sequence. {ORD} {OW/EAD} {OPP} {OW/TSC} {OAR/OAQPS} {OECA} {ORCR}",
  "synonyms": [
    "RECORD MEDIUM"
  ],
  "subject": "Policy and guidance",
  "see_also": [
    "Media"
  ],
  "references": [
    "Waste and Cleanup Risk Assessment Glossary",
    "Records Glossary",
    "RAIS 2004",
    "Forum on Environmental Measurements (FEM) Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/medium/"
}