{"data":{"id":"us/40-cfr-table-1-to-subpart-tttt-of-part-63","jurisdiction":"us","citation":"40 CFR Table 1 to Subpart TTTT of Part 63","heading":"Table 1 to Subpart TTTT of Part 63—Leather Finishing HAP Emission Limits for Determining the Allowable HAP Loss","body":"As required in §§ 63.5305 and 63.5340(b), you must meet the appropriate emission limits in the following table:\nType of Leather Product Process Operation HAP Emission Limit (pounds of HAP loss per 1,000 square feet of leather processed)\nExisting sources New sources\n1. Upholstery Leather (≥4 grams add-on/square feet) 2.6 0.5\n2. Upholstery Leather (\u003c4 grams add-on/square feet) 6.8 2.5\n3. Water-resistant (≥5,000 Maeser Flexes)/Specialty Leather 5.6 4.9\n4. Nonwater-resistant Leather (\u003c5,000 Maeser Flexes) 3.7 2.1","path":["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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"372abd02b4442d9e984fea4dd1d151d90cc511f866fc24fd16b1348a66cc6bb3","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-figure-1-to-subpart-tttt-of-part-63","next":"us/40-cfr-table-2-to-subpart-tttt-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}