40 CFR 421.190 - Applicability: Description of the secondary indium subcategory.

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§ 421.190 Applicability: Description of the secondary indium subcategory.
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.

Title 40 published on 2013-07-01

no entries appear in the Federal Register after this date.

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