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Electronic Code of Federal Regulations

e-CFR data is current as of December 5, 2019

Title 40Chapter ISubchapter CPart 63Subpart DDDD → Appendix


Title 40: Protection of Environment
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)
Subpart DDDD—National Emission Standards for Hazardous Air Pollutants: Plywood and Composite Wood Products


Table 1A to Subpart DDDD of Part 63—Production-Based Compliance Options

For the following process units .  .  .You must meet the following production-based compliance option (total HAPa basis) .  .  .
(1) Fiberboard mat dryer heated zones (at new affected sources only)0.022 lb/MSF 12 .
(2) Green rotary dryers0.058 lb/ODT.
(3) Hardboard ovens0.022 lb/MSF 18 .
(4) Press predryers (at new affected sources only)0.037 lb/MSF 12 .
(5) Pressurized refiners0.039 lb/ODT.
(6) Primary tube dryers0.26 lb/ODT.
(7) Reconstituted wood product board coolers (at new affected sources only)0.014 lb/MSF 34 .
(8) Reconstituted wood product presses0.30 lb/MSF 34 .
(9) Softwood veneer dryer heated zones0.022 lb/MSF 38 .
(10) Rotary strand dryers0.18 lb/ODT.
(11) Secondary tube dryers0.010 lb/ODT.

aTotal 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.

Note: There is no production-based compliance option for conveyor strand dryers.

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