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F.A.Q. Muriatic Acid

The MCMUA operates one of NJ's most comprehensive household hazardous waste (HHW) programs. This F.A.Q. page and information on hazardous materials is intended as a guide about HHW materials as well as the MCMUA's HHW program. This information is a general guide and does not constitute official rule, regulation or law.

Hazards

  • Muriatic or hydrochloric acid causes severe irritation or burns to skin and eyes.
  • Vapors may irritate respiratory tract.
     

Handling

  • Wear clothing that covers exposed skin areas. Use gauntlet-style acid-resistant gloves and eye protection when working with acid.
  • Use only in well ventilated areas.
  • Always add acid to water…never add water to acid.
  • Do not mix muriatic acid with any other chemicals.
     

Management Options

  • Do NOT dispose down the drain or in storm drains.
  • Do NOT dispose of in the trash: liquid wastes can leak in a trash truck and react with other chemicals.
  • Wastewater treatment facilities routinely use muriatic acid. Call your local facility to see if they will accept it.
  • Take to a HHW collection or commercial hazardous waste facility.