40 CFR Part 421 - Subpart Q - Secondary Indium Subcategory
- § 421.190 Applicability: Description of the secondary indium subcategory.
- § 421.191 Specialized definitions.
- §§ 421.192-421.193 [Reserved]
- § 421.194 Standards of performance for new sources.
- § 421.195 Pretreatment standards for existing sources.
- § 421.196 Pretreatment standards for new sources.
- § 421.197 [Reserved]
Source:
50 FR 38353, Sept. 20, 1985, unless otherwise noted.