{"data":{"id":"us/40-cfr-table-2-to-subpart-qqqq-of-part-63","jurisdiction":"us","citation":"40 CFR Table 2 to Subpart QQQQ of Part 63","heading":"Table 2 to Subpart QQQQ of Part 63—Emission Limits for Existing Affected Sources","body":"You must comply with the emission limits that apply to your affected source in the following table as required by § 63.4690.\nIf the affected source applies coating to products in the following subcategory. . . Then, the organic HAP emission limit for the affected source, in grams HAP/liter solids (lb HAP/gal solids) 1 2 is:\n1. Exterior siding and primed doorskins 7 (0.06)\n2. Flooring 93 (0.78)\n3. Interior wall paneling or tileboard 183 (1.53)\n4. Other interior panels 20 (0.17)\n5. Doors, windows, and miscellaneous 231 (1.93)\n1 Determined as a rolling 12-month emission rate according to the requirements in § 63.4741, § 63.4751, or § 63.4761, as applicable.\n2 If the affected source applies coatings to products in more than one of the subcategories listed in the table, then you must determine the applicable emission limit according to § 63.4690(c).","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 QQQQ—National Emission Standards for Hazardous Air Pollutants: Surface Coating of Wood Building Products"],"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":"fef7b83af815e363770932ef52f3db1e5f84915057954d551426ce47cdcdb7f9","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-1-to-subpart-qqqq-of-part-63","next":"us/40-cfr-table-3-to-subpart-qqqq-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}