SUBPART E—Refractory Metals Forming Subcategory (§471.50 to §471.56)
- 471.50—Applicability; description of the refractory metals forming subcategory.
- 471.51—Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
- 471.52—Effluent limitations representating the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
- 471.53—New source performance standards (NSPS).
- 471.54—Pretreatment standards for existing sources (PSES).
- 471.55—Pretreatment standards for new sources (PSNS).