CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471) > PART 436—MINERAL MINING AND PROCESSING POINT SOURCE CATEGORY > SUBPART Y—Jade Subcategory (§436.250 to §436.252) > 436.250—Applicability; description of the jade subcategory.