Hydrochloric acid, a solution of Hydrogen Chloride in water, has many industrial uses. Among other things, it can be used for:
Household cleaning products, including toilet bowl cleaners
Production of gelatin
It is generally colorless, though it can sometimes appear slightly yellow. When it is shipped, it's shipped as liquefied compressed gas.
Hydrochloric acid is non-flammable, according to National Institute for Occupational Safety and Health (NIOSH).
It can be corrosive to the skin, eyes and mucous membranes. It is also considered a gastrointestinal toxicant. Symptoms of exposure include:
Irritation in nose, throat, larynx
If you believe you have been exposed to hydrochloric acid, flush eyes and skin immediately.
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At this time, HAZMAT tells 11 News that the threat of exposure is extremely low. Evacuations have been made in the area as a safety precaution.