40 C.F.R. § 421.190

Applicability: Description of the secondary indium subcategory.

Last amended: 2016Year: 2026Length: 29 wordsOfficial source

Cite as 40 C.F.R. § 421.190 (2026)

The provisions of this subpart are applicable to discharges resulting from the production of indium at secondary indium facilities processing spent electrolyte solutions and scrap indium metal raw materials.
40 C.F.R. § 421.190: Applicability: Description of the secondary indium subcategory. | Justis AI