Compliance Options Applicable On and After July 6, 2026, for Direct Wood-Fired PCWP Dryers at Affected Sources That Commenced Construction or Reconstruction After May 18, 2023

Table 1E to Subpart DDDD of Part 63—Compliance Options Applicable On and After July 6, 2026, for Direct Wood-Fired PCWP Dryers at Affected Sources That Commenced Construction or Reconstruction After May 18, 2023 For the following types of direct wood-fired PCWP dryers . . . You must meet the PM (HAP metal) limit You must meet the Hg limit You must meet the HCl limit You must meet the PAH limit Rotary strand dryer 5.6E-02lb/ODT or 1.3E-03 gr/dscf 1.7E-05 lb/ODT or 8.4E-04 mg/dscm 1.7E-03 lb/ODT or 9.0E-02 mg/dscm 1.8E-05 lb/ODT or 1.5E-03 mg/dscm. Green rotary dryer 3.7E-02 lb/ODT or 1.3E-03 gr/dscf 1.1E-05 lb/ODT or 8.4E-04 mg/dscm 2.9E-03 lb/ODT or 9.0E-02 mg/dscm 6.2E-05 lb/ODT or 2.9E-03 mg/dscm. Dry rotary dryer 6.0E-01 lb/ODT or 4.6E-02 gr/dscf 1.0E-05 lb/ODT or 8.4E-04 mg/dscm 1.1E-03 lb/ODT or 9.0E-02 mg/dscm 2.2E-05 lb/ODT or 2.1E-03 mg/dscm. Primary tube dryer or secondary tube dryer 9.1E-02 lb/ODT or 1.3E-03 gr/dscf 3.9E-05 lb/ODT or 8.4E-04 mg/dscm 4.3E-03 lb/ODT or 9.0E-02 mg/dscm 3.4E-06 lb/ODT or 1.8E-06 mg/dscm. Softwood veneer dryer heated zones 7.2E-02 lb/MSF 3/8″ or 1.5E-02 gr/dscf 5.8E-05 lb/MSF 3/8″ or 4.1E-02 mg/dscm NA NA. Notes: lb/ODT = pounds per oven dried ton, gr/dscf = grains per dry standard cubic foot, mg/dscm = milligrams per dry standard cubic meter. See § 63.2240(d)(4) for dioxin and furan TEQ limit for direct wood-fired green rotary dryers. [91 FR 41451, July 6, 2026]