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Federal regulations · Through 2026-08-25 · Newer source version available

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

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER C—AIR PROGRAMS
  4. PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
  5. 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

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