Del. Code tit. 7, § 6314

Variances and temporary emergency variances may be granted by the Secretary from any regulation, transfer facility approval or permit condition adopted pursuant to this chapter in accordance with §§ 6011 and 6012 of this title, except that no temporary emergency variance or variance shall be granted which would be inconsistent with the requirements of § 3006(b) or (c) of the Resource Conservation and Recovery Act of 1976, Pub. L. 94-580 [42 U.S.C. § 6926(b) or (c)] (or regulations promulgated thereunder) requiring equivalence or substantial equivalence of state programs for authorization or interim authorization whichever the case may be.