CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471) > PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY > SUBPART BB—Sodium Bisulfite Production Subcategory (§415.540 to §415.547) > 415.545—New source performance standards (NSPS).