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 N—Potash Subcategory (§436.140 to §436.142) > 436.140—Applicability; description of the potash subcategory.

436.140—Applicability; description of the potash subcategory.

The provisions of this subpart are applicable to the processing of potash. Potash obtained from brine lakes is regulated in the saline from brine lakes subcategory (subpart L of this part).
The provisions of this subpart are applicable to the processing of potash. Potash obtained from brine lakes is regulated in the saline from brine lakes subcategory (subpart L of this part).