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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 B—Crushed Stone Subcategory (§436.20 to §436.22)
SUBPART B—Crushed Stone Subcategory (§436.20 to §436.22)