GroundRules
40 CFR Table 2 to Subpart NNNNN of Part 63: Table 2 to Subpart NNNNN of Part 63—Operating Limits
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER C—AIR PROGRAMS
- PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
- Subpart NNNNN—National Emission Standards for Hazardous Air Pollutants: Hydrochloric Acid Production
As stated in § 63.9000(b), you must comply with the following operating limits for each emission stream that is part of an affected source that is vented to a control device.
For each . . . You must . . .
1. Caustic scrubber or water scrubber/absorber a. Maintain the daily average scrubber inlet liquid or recirculating liquid flow rate, as appropriate, above the operating limit; and b. Maintain the daily average scrubber effluent pH within the operating limits; or c. Instead of a. and b., maintain your operating parameter(s) within the operating limits established according to your monitoring plan established under § 63.8(f).
2. Other type of control device to which HCl emissions are ducted Maintain your operating parameter(s) within the limits established during the performance test and according to your monitoring plan.
Collected 2026-08-27T02:26:04Z. Source file · JSON