40 C.F.R. Table 1 to Subpart TTTT of Part 63
Leather Finishing HAP Emission Limits for Determining the Allowable HAP Loss
Cite as 40 C.F.R. Table 1 to Subpart TTTT of Part 63 (2026)
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
- Cross-references to the CFR
- 63.5305