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Subpart BB—National Emission Standards for Hazardous Air Pollutants from Phosphate Fertilizers Production Plants

National Emission Standards for Hazardous Air Pollutants from Phosphate Fertilizers Production Plants

ContainsSections 63.620–63.632; Appendices A–Table 5 to Subpart BB of Part 63
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Displayed edition2026-05-22
Last updated2026-05-22

Subpart BB—National Emission Standards for Hazardous Air Pollutants from Phosphate Fertilizers Production Plants

Contents

Source80 FR 50450, Aug. 19, 2015, unless otherwise noted.