For the purpose of enforcing the laws and rules listed in § 4300 of this chapter, the Department shall have the right, upon presentation of appropriate credentials to the owner, operator, or agent in charge, to enter without delay, subject to § 4301.3 of this chapter, any place or vehicle where hazardous waste, used oil, or regulated medical waste are, or have been generated, handled, transported, treated, stored, or disposed.
Appropriate credentials for making an inspection shall include:
Entry by the Department may be made, with or without prior notice, as follows:
D.C. Mun. Regs. tit. 20, r. 20-4301