In order to comply with the minimum requirement for a lead dust clearance test, the Department shall ensure a sample is taken from the following locations in each room:Floor; Windowsill; and Window well. The Commissioner may require that additional samples be taken if a room has:No windows; or More than one window. In addition to the requirements set forth in <cite data-path="13.02.01.14|B.">.14(B) of this chapter</cite>, the Department shall ensure the results of the lead dust clearance test comply with the most restrictive standard set by the:Maryland Department of the Environment; U.S. Environmental Protection Agency; or U.S. Department of Housing and Urban Development.