grout

{
  "id": "MLC-T-ENV-012732",
  "term": "grout",
  "field": "Environment",
  "definition": "1. Cement and/or bentonite slurry used to seal DP holes and other exploratory borings. It is also used to seal the annular space around well casings to prevent infiltration of water or short-circuiting of vapor flow.\n\n2. Fluidized material that is injected into soil, rock, concrete, or other construction material to seal openings and to lower the permeability and/or provide additional structural strength.\n\n3. A watery mixture of cement (and commonly bentonite) without aggregate that is used to seal the annular space around well casings to prevent infiltration of water or short-circuiting of vapor flow.",
  "subject": "Land, waste and cleanup",
  "references": [
    "Underground Storage Tank Sites Guide Glossary",
    "Adapted from FEMA Federal Guidelines for Dam Safety: Glossary of Terms",
    "Office of Underground Storage Tanks Technical Terms; Glossary of Technical Terms: Office of Underground Storage Tanks"
  ],
  "url": "https://mlchart.com/terminology/environment/grout/"
}