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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter C - Air Programs |
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Part 63 - National Emission Standards for Hazardous Air Pollutants for Source Categories |
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Subpart TTTTT - National Emissions Standards for Hazardous Air Pollutants for Primary Magnesium Refining |
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What This Subpart Covers |
§ 63.9881 - Am I subject to this subpart?
Latest version.
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§ 63.9881 Am I subject to this subpart?
You are subject to this subpart if you own or operate a primary magnesium refinery that is (or is part of) a major source of hazardous air pollutant (HAP) emissions. Your primary magnesium refinery is a major source of HAP if it emits or has the potential to emit any single HAP at a rate of 10 tons or more per year or any combination of HAP at a rate of 25 tons or more per year.