The U.S. Environmental Protection Agency ( EPA ) is authorized to enter into this Expedited Settlement Agreement ( Agreement ) pursuant to section 3008 and 4005(d) of the Resource Conservation and Recovery Act ( RCRA ) and 40 C.F.R. 22.13(b). According to 40 C.F.R. Section 257.102(b)(3)(ii){A), the owner or operator of a CCR unit must amend the written closure plan whenever there is a change in the operation of the CCR unit that would substantially affect the written closure plan in effect.