Applicability of HON and Group 1 Polymers and Resins Provisions to Subpart PPP Affected Sources

Reference Applies to subpart PPP Explanation Applicable section of subpart PPP Subpart F: § 63.100 No § 63.101 Yes Several definitions from § 63.101 are referenced at § 63.1423 § 63.1423 §§ 63.102—63.103 No § 63.104 Yes With the differences noted in § 63.1435(b) through (i) § 63.1435. § 63.105 Yes With the differences noted in § 63.1433(b) § 63.1433. § 63.106 No Subpart G: § 63.107 No § 63.108 Yes With the differences noted in § 63.1436(b) § 63.109 Yes With the differences noted in the definition of “in ethylene oxide service” in § 63.1423(b) § 63.110 No § 63.111 No § 63.112 No §§ 63.113-63.118 Yes For THF facilities, with the differences noted in § 63.1425(f)(1) through (15) § 63.1425. No For epoxide facilities, except that § 63.115(d) is used for TRE determinations § 63.1428. §§ 63.119-63.123 Yes With the differences noted in § 63.1432(b) through 63.1432(w) § 63.1432. § 63.124 Yes With the differences noted in §§ 63.1426(g) and 63.1432(w) §§ 63.1426 and 63.1432. § 63.125 No Reserved §§ 63.126-63.130 Yes With the differences noted in paragraphs § 63.1434(i)(1) through (13) § 63.1434. § 63.131 No Reserved §§ 63.132-63.147 Yes With the differences noted in § 63.1433(a)(1) through (26) § 63.1433. §§ 63.148-63.149 Yes With the differences noted in §§ 63.1432(b) through (v) and 63.1433(a)(1) through (26) §§ 63.1432 and 63.1433. § 63.150 No §§ 63.151-63.152 No § 63.153 No § 63.1421 Subpart H: §§ 63.160-63.182 Yes Subpart PPP affected sources shall comply with all requirements of subpart H to this part, with the differences noted in §§ 63.1422(d) and 63.1434 § 63.1434. § 63.183 No § 63.1421 § 63.184 No Subpart U: §§ 63.480-63.487 No § 63.488 Yes Portions of § 63.488(b) and (e) are cross-referenced in subpart PPP §§ 63.489-63.506 No [91 FR 13185, Mar. 18, 2026]