40 CFR Table 1 to Subpart TTTT of Part 63: Table 1 to Subpart TTTT of Part 63—Leather Finishing HAP Emission Limits for Determining the Allowable HAP Loss
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 TTTT—National Emission Standards for Hazardous Air Pollutants for Leather Finishing Operations
As required in §§ 63.5305 and 63.5340(b), you must meet the appropriate emission limits in the following table:
Type of Leather Product Process Operation HAP Emission Limit (pounds of HAP loss per 1,000 square feet of leather processed)
Existing sources New sources
1. Upholstery Leather (≥4 grams add-on/square feet) 2.6 0.5
2. Upholstery Leather (<4 grams add-on/square feet) 6.8 2.5
3. Water-resistant (≥5,000 Maeser Flexes)/Specialty Leather 5.6 4.9
4. Nonwater-resistant Leather (<5,000 Maeser Flexes) 3.7 2.1
Collected 2026-08-27T02:26:04Z. Source file · JSON