The Secretary shall inspect, sample, analyze, test, and examine sod, plugs, and sprigs offered or exposed for sale within the State for planting purposes, at any time and place and to the extent he deems necessary, to determine whether the sod, plugs, or sprigs are in compliance with the provisions of this subtitle. He shall notify promptly the person who transported, sold, offered or exposed the sod for sale, of any violation. Following a public hearing and public notice, the Secretary may adopt rules and regulations governing the methods of: Labeling, inspecting, sampling, analyzing, testing, and defining prohibitive and restrictive noxious weeds; Examining sod, plugs, or sprigs, and the tolerances to be followed in the administration of this subtitle; and Other rules and regulations necessary. The Secretary shall direct the sod certification program in the State.