D.C. Mun. Regs. tit. 20, r. 20-4307
A person named in an administrative order or proposed permit denial, modification, suspension, or revocation may appeal the action in accordance with this section.
A person seeking to appeal a decision shall first make an appeal to the Deputy Director of the Department's Environmental Services Administration, by sending a written appeal letter with any supporting information to: District of Columbia Department of Energy and Environment, Hazardous Waste Branch, 1200 First Street NE, 5th Floor, Washington, D.C. 20002.
The Deputy Director shall make a decision on the appeal within 21 calendar days of the Department receiving the appeal.
If the matter is not resolved under § 4307.3, the aggrieved person may appeal the decision of the Deputy Director of the Department's Environmental Services Administration to the Director of the Department in accordance with the instructions provided in § 4307.2.
The Director shall make a decision on the appeal within 21 calendar days of receiving the appeal.
When considering an appeal, the Deputy Director or the Director may stay the effect of a decision or action being appealed pending determination of the appeal.
Unless stayed by the Deputy Director or the Director, the original decision or action remains in effect during pendency of the appeal.
D.C. Mun. Regs. tit. 20, r. 20-4307