Free Available Residual Chlorine

{
  "id": "MLC-T-ENV-011661",
  "term": "Free Available Residual Chlorine",
  "field": "Environment",
  "definition": "That portion of the total available residual chlorine composed of dissolved chlorine gas (Cl2), hypochlorous acid (HOCl), and/or hypochlorite ion (OCl-) remaining in water after chlorination. This does not include chlorine that has combined with ammonia, nitrogen, or other compounds.",
  "subject": "Laws, regulations and executive orders",
  "references": [
    "Drinking Water Technical & Legal Terms"
  ],
  "url": "https://mlchart.com/terminology/environment/free-available-residual-chlorine/"
}