Exposure surface

{
  "id": "MLC-T-ENV-010506",
  "term": "Exposure surface",
  "field": "Environment",
  "definition": "1. A surface on a target where an agent is present. Examples of outer exposure surfaces include the exterior of an eyeball, the skin surface, and a conceptual surface over the nose and open mouth. Examples of inner exposure surfaces include the gastrointestinal tract, the respiratory tract, and the urinary tract lining. As an exposure surface gets smaller, the limit is an exposure point. [IPCS 2004]\n\n2. Surface on a target where an agent is present. Examples of outer exposure surfaces include the exterior of an eyeball, the skin surface, and a conceptual surface over the nose and open mouth. Examples of inner exposure surfaces include the gastrointestinal tract, the respiratory tract, and the urinary tract lining. As an exposure surface gets smaller, the limit is an exposure point.",
  "see_also": [
    "Contact boundary"
  ],
  "references": [
    "Thesaurus of Terms Used in Microbial Risk Assessment",
    "Exposure Factors Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/exposure-surface/"
}