In the event of a spill or release of hazardous waste, used oil, or regulated medical waste, or an alleged violation of the laws and rules listed in § 4300 of this chapter, the Department may, under the following circumstances, enter upon any place or vehicle to perform, or cause to be performed, any corrective action necessary to protect human health or the environment:
Except as provided in § 4303.4 of this chapter, the Department shall provide written notice of the Department's intent to enter the premises or vehicle to take corrective action to the owner or operator at least seven (7) calendar days before commencing work and shall serve the notice personally or by certified mail, or when personal service cannot be accomplished, by publication or posting.
Except as provided in § 4303.4 of this chapter, when the owner or operator is a domestic corporation, any notice to be served pursuant to this section, if served upon the president, treasurer, any other principal officer, general manager, site manager, or registered agent of the corporation in the manner specified in § 4303.2 of this chapter, shall be deemed to have been served upon the corporation.
If the owner or operator is a foreign corporation, service upon the registered agent of the corporation shall be deemed service upon the corporation.
When a spill or release of hazardous waste, used oil, or regulated medical waste, or an alleged violation of the laws and rules listed in § 4300 of this chapter, creates an imminent threat to human health or the environment necessitating corrective action, and the emergency nature of the situation makes it impractical to give prior notice as specified in §§ 4303.2 and 4303.3 of this chapter, the Department may provide notice by conspicuously posting the notice on the property at the earliest time feasible before commencing work and sending a copy to the last known address via certified mail.
The written notice of intent to begin corrective action shall contain the following information:
D.C. Mun. Regs. tit. 20, r. 20-4303