CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER I—SOLID WASTES (Parts 239–282) > PART 264—STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES > SUBPART K—Surface Impoundments (§264.220 to §264.232) > 264.220—Applicability.