[Code of Federal Regulations] [Title 40, Volume 24] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR257.5] [Page 380-381] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 257_CRITERIA FOR CLASSIFICATION OF SOLID WASTE DISPOSAL FACILITIES AND PRACTICES--Table of Contents Subpart B_Disposal Standards for the Receipt of Conditionally Exempt Small Quantity Generator (CESQG) Wastes at Non-Municipal Non-Hazardous Waste Disposal Units Sec. 257.5 Disposal standards for owners/operators of non-municipal non-hazardous waste disposal units that receive Conditionally Exempt Small Quantity Generator (CESQG) waste. Source: 61 FR 34269, July 1, 1996, unless otherwise noted. (a) Applicability. (1) The requirements in this section apply to owners/operators of any non-municipal non-hazardous waste disposal unit that receives CESQG hazardous waste, as defined in 40 CFR 261.5. Non- municipal non-hazardous waste disposal units that meet the requirements of this section may receive CESQG wastes. Any owner/operator of a non- municipal non-hazardous waste disposal unit that receives CESQG hazardous waste continues to be subject to the requirements in Sec. Sec. 257.3-2, 257.3-3, 257.3-5, 257.3-6, 257.3-7, and 257.3-8 (a), (b), and (d). (2) Any non-municipal non-hazardous waste disposal unit that is receiving CESQG hazardous waste as of January 1, 1998, must be in compliance with the requirements in Sec. Sec. 257.7 through 257.13 and Sec. 257.30 by January 1, 1998, and the requirements in Sec. Sec. 257.21 through 257.28 by July 1, 1998. (3) Any non-municipal non-hazardous waste disposal unit that does not meet the requirements in this section may not receive CESQG wastes. (4) Any non-municipal non-hazardous waste disposal unit that is not receiving CESQG Hazardous waste as of January 1, 1998, continues to be subject to the requirements in Sec. Sec. 257.1 through 257.4. (5) Any non-municipal non-hazardous waste disposal unit that first receives CESQG hazardous waste after January 1, 1998, must be in compliance with Sec. Sec. 257.7 through 257.30 prior to the receipt of CESQG hazardous waste. (b) Definitions. Active life means the period of operation beginning with the initial receipt of solid waste and ending at the final receipt of solid waste. Existing unit means any non-municipal non-hazardous waste disposal unit that is receiving CESQG hazardous waste as of January 1, 1998. Facility means all contiguous land and structures, other appurtenances, and improvements on the land used for the disposal of non-municipal non-hazardous waste. Lateral expansion means a horizontal expansion of the waste boundaries of an existing non-municipal non-hazardous waste disposal unit. New unit means any non-municipal non-hazardous waste disposal unit that has not received CESQG hazardous waste prior to January 1, 1998. State means any of the several States, the District of Columbia, the Commonwealth of Puerto Rico, the Virgin Islands, Guam, American Samoa, and the Commonwealth of the Northern Mariana Islands. State Director means the chief administrative officer of the lead state agency responsible for implementing the state permit program for 40 CFR part 257, subpart B and 40 CFR part 258 regulated facilities. Uppermost aquifer means the geologic formation nearest the natural ground surface that is an aquifer, as well as, lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary. [[Page 381]] Waste management unit boundary means a vertical surface located at the hydraulically downgradient limit of the unit. This vertical surface extends down into the uppermost aquifer. [61 FR 34269, July 1, 1996, as amended at 63 FR 57044, Oct. 23, 1998] Location Restrictions