Stratum

{
  "id": "MLC-T-ENV-026935",
  "term": "Stratum",
  "field": "Environment",
  "definition": "1. Geologic term for a sedimentary rock bed.\n\n2. Single sedimentary bed or layer, regardless of thickness, that consists of generally the same kind of rock material.[40 CFR 146.3 (CFR 2018)]\n\n3. A horizontal layer of geologic material of similar composition, especially one of several parallel layers arranged one on top of another.",
  "subject": "Land, waste and cleanup",
  "references": [
    "EPA Mountaintop Mining Valley Fills Draft Environmental Impact Statement Glossary at http://www.epa.gov/region3/mtntop/pdf/VIII_Glossary.pdf",
    "40 CFR 144.3 (CFR 2018)",
    "Office of Underground Storage Tanks Technical Terms; Glossary of Technical Terms: Office of Underground Storage Tanks"
  ],
  "url": "https://mlchart.com/terminology/environment/stratum/"
}