{"data":{"id":"us/40-cfr-table-1a-to-subpart-dddd-of-part-63","jurisdiction":"us","citation":"40 CFR Table 1A to Subpart DDDD of Part 63","heading":"Table 1A to Subpart DDDD of Part 63—Production-Based Compliance Options","body":"For the following process units . . . You must meet the following production-based compliance option (total HAP a basis) . . .\n(1) Fiberboard mat dryer heated zones (at new affected sources only) 0.022 lb/MSF 1⁄2″.\n(2) Green rotary dryers 0.058 lb/ODT.\n(3) Hardboard ovens 0.022 lb/MSF 1⁄8″.\n(4) Press predryers (at new affected sources only) 0.037 lb/MSF 1⁄2″.\n(5) Pressurized refiners 0.039 lb/ODT.\n(6) Primary tube dryers 0.26 lb/ODT.\n(7) Reconstituted wood product board coolers (at new affected sources only) 0.014 lb/MSF 3⁄4″.\n(8) Reconstituted wood product presses 0.30 lb/MSF 3⁄4″.\n(9) Softwood veneer dryer heated zones 0.022 lb/MSF 3⁄8″.\n(10) Rotary strand dryers 0.18 lb/ODT.\n(11) Secondary tube dryers 0.010 lb/ODT.\na Total HAP, as defined in § 63.2292, includes acetaldehyde, acrolein, formaldehyde, methanol, phenol, and propionaldehyde. lb/ODT = pounds per oven-dried ton; lb/MSF = pounds per thousand square feet with a specified thickness basis (inches). Section 63.2262(j) shows how to convert from one thickness basis to another.\nNote: There is no production-based compliance option for conveyor strand dryers.","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 DDDD—National Emission Standards for Hazardous Air Pollutants: Plywood and Composite Wood 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":"e97c20005062e6ec2ed161ccf7c2f62c34fa6fe91019566e324eb9a5816d52f7","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.2292","next":"us/40-cfr-table-1b-to-subpart-dddd-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}