Md. Code, Environment § 9–321.1

(a) The definitions in § 5-901 of the Agriculture Article apply in this section.

(b) The Department shall:

(1) Develop by December 1, 1988 a water quality standard for the concentration of tributyltin in the waters of the State that is sufficient for the protection of aquatic life; and

(2) Regulate point sources of release of tributyltin in accordance with the water quality standard developed under paragraph (1) of this subsection.