Section 8-634.10 - Statute of limitations(a) The provisions of § 12-301(10) notwithstanding, an action by or on behalf of the Mayor to recover the cost of a response action under this section must be commenced within 6 years after the initiation of physical onsite response work.(b) An action to compel the Mayor or another person to perform a duty brought under this section shall be commenced within 2 years after the date that the duty became nondiscretionary.June 13, 2001, D.C. Law 13-312, § 410; as added Apr. 8, 2011, D.C. Law 18-369, § 2(k), 58 DCR 996.