Maryland Code, Agriculture § 5-901

(a) In this subtitle the following words have the meanings indicated.

(b) “Acceptable release rate” means a measured release rate equal to or less than 5.0 micrograms per square centimeter per day at steady state conditions determined in accordance with the U.S. Environmental Protection Agency testing procedure, as outlined in the Agency's call-in notice of July 29, 1986 on tributyltin in antifouling paints under the Federal Insecticide, Fungicide, and Rodenticide Act.  1

(c) “Antifouling paint” means a compound, coating, paint, or treatment applied or used for the purpose of controlling freshwater or marine fouling organisms on vessels.

(d) “Commercial boatyard” means:

(e) “Tributyltin compound” means any organotin compound that has 3 normal butyl groups attached to a tin atom and with or without an anion, such as chloride, fluoride, or oxide.