Hydrochloric acid: Sources of emissions
Industry sources
Manufacturers of industrial inorganic chemicals; electric services companies; and manufacturers of guided missiles, space vehicles, and parts. Also, the combustion of fuels, refuse incineration, smelting of metal scrap, thermal decomposition of gases, and pyrolysis of wire insulation materials such as polyvinyl chloride, chlorinated acrylics, and retardant treated materials. It is also produced as a by-product in dehalogenation processes.
Diffuse sources, and industry sources included in diffuse emissions data
From its use to maintain pH balance in swimming pools, spas, etc; and its use as a bactericide, a fungicide, and a virucide to disinfect bathrooms, kitchens and food preparation areas, and other areas in commercial and industrial buildings, in hospitals, in nursing homes, and in and around household dwellings.
Natural sources
In the gases evolved from volcanoes and related geothermal activity. It does not occur free in nature but is a component of the minerals halite, sylvite, and carnallite, and as chloride ion in seawater.
Transport sources
Vehicle exhaust (from thermal decomposition processes).
Consumer products
Disinfectants, other polishing preparations and related products, toilet bowl cleaners, and stain-removers for brickwork and paving.
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