40 C.F.R. § 257.4 Effective date.
Title 40 - Protection of Environment
These criteria become effective October 15, 1979.
Title 40: Protection of Environment
PART 257—CRITERIA FOR CLASSIFICATION OF SOLID WASTE DISPOSAL FACILITIES AND PRACTICES
Subpart A—Classification of Solid Waste Disposal Facilities and Practices
§ 257.4 Effective date.