Md. Code, Environment § 7–224

(a) Except as otherwise permitted in Title 9, Subtitle 3 of this article, a person may not store, discharge, treat, or dispose of a controlled hazardous substance in this State except:

(1) In a controlled hazardous substance facility; and

(2) In accordance with this subtitle.

(b) A person may not treat or discharge low-level nuclear waste or establish or operate a facility for the storage or disposal of low-level nuclear waste except in accordance with this subtitle.