Section 9-321.1 - Water quality standards for concentrations of tributyltin(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.