Md. Code, Env't § 7-267

(a) (1) Except as provided in § 7-265 of this subtitle, a person who violates any provision of or fails to perform any duty imposed by this subtitle, or who violates any provision of or fails to perform any duty imposed by a rule, regulation, order, hauler certificate, vehicle certificate, or facility permit adopted or issued under this subtitle, is guilty of a misdemeanor and on conviction is subject to: (i) For a first offense, a fine not exceeding $25,000 or imprisonment not exceeding 1 year or both; or (ii) If the conviction is for a violation committed after a first conviction of the person under this subsection, a fine not exceeding $50,000 for each day of violation or imprisonment not exceeding 2 years or both. (2) In addition to any criminal penalties imposed on a person convicted under this subsection, the person may be enjoined from continuing the violation. (3) Each day on which a violation occurs is a separate violation under this subsection. (b) A person is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $25,000 or imprisonment not exceeding 2 years or both if the person: (1) Knowingly makes any false statement, representation, or certification in any application, record, report, plan, or other document filed or required to be maintained under this subtitle or any rule, regulation, order, hauler certificate, vehicle certificate, or facility permit adopted or issued under this subtitle; or (2) Falsifies, tampers with, or knowingly renders inaccurate any monitoring device or method required to be maintained under this subtitle or any rule, regulation, order, hauler certificate, vehicle certificate, or facility permit adopted or issued under this subtitle.