Statutes, codes, and regulations
Code of Federal Regulations
Title 40 - PROTECTION OF ENVIRONMENTChapter I - ENVIRONMENTAL PROTECTION AGENCYSubchapter C - AIR PROGRAMSPart 63 - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
Subpart TTTT - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR LEATHER FINISHING OPERATIONS
Appendix Table 1 to Subpart TTTT of Part 63 - Leather Finishing HAP Emission Limits for Determining the Allowable HAP Loss

40 C.F.R. § 63.1662-63 app Table 1 to Subpart TTTT of Part 63

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Current through May 31, 2024
Appendix Table 1 to Subpart TTTT of Part 63 - Leather Finishing HAP Emission Limits for Determining the Allowable HAP Loss

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 OperationHAP Emission Limit (pounds of HAP loss per 1,000 square feet of leather processed)
Existing
sources		New
sources
1. Upholstery Leather ([GREATER THAN EQUAL TO]4 grams add-on/square feet)2.60.5
2. Upholstery Leather ([LESS THAN]4 grams add-on/square feet)6.82.5
3. Water-resistant ([GREATER THAN EQUAL TO]5,000 Maeser Flexes)/Specialty Leather5.64.9
4. Nonwater-resistant Leather ([LESS THAN]5,000 Maeser Flexes)3.72.1

40 C.F.R. 63.1662-63 app Table 1 to Subpart TTTT of Part 63