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 B—General Facility Standards (§264.10 to §264.19) > 264.11—Identification number.