§ 471.90 - Applicability; description of the zirconium-hafnium forming subcategory.

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- 01-33. Proposed rule. 01-33. Effluent Limitations Guidelines, Pretreatment Standards, and New Source Performance Standards for the Metal Products and Machinery Point Source Category; Proposed Rule

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§ 471.90 Applicability; description of the zirconium-hafnium forming subcategory.

This subpart applies to discharges of pollutants to waters of the United States, and introductions of pollutants into publicly owned treatment works from the process operations of the zirconium-hafnium forming subcategory.

                    
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§ 471.90 - Applicability; description of the zirconium-hafnium forming subcategory.

§ 471.90 Applicability; description of the zirconium-hafnium forming subcategory.