Hydrochloric Acid Production

eCFR Subpart NNNNN [ecfr.gov]

You are subject if you own or operate an HCl production facility that:
1. produces a liquid HCl product at a concentration of 30 weight percent or greater during its normal oerations and
2. is located at a major source of HAP.

An HCl production facility is not subject ot this subpart if it is also subject to the following NESHAP rules:
1. Subpart S
2. Subpart CCC
3. Subpart MMM
4. Subpart SS
5. Subpart GGG

An HCl production facility is not subject to this subpart if:
1. it is located following the incineration of chlorinated waste gas streams, waste liquids, or solid wastes and the emissions from the HCl production facility are subject to section 63.113(c), subpart G
2. it produces HCl through the direct synthesis of hydrogen and chlorine and is part of a chlor-alkali facility
3. it is a research and development facility
4. all of the gaseous streams containing HCl and chlorine from HCl process vents, HCl storage tanks, and HCl transfer operations are recycled or routed to another process for process purprose, prior to being discharged to the atmosphere.

No

eCFR Subpart NNNNN [ecfr.gov]