The Department shall base their determination that a lead hazard exists on one or more of the following:Readings of an XRF analyzer which indicate a lead content greater than 0.7 mg/cm² on a:Friction surface; Impact surface; Accessible surface; or Deteriorated surface; Analysis of paint samples which indicate more than 0.5 percent lead by weight on a:Friction surface; Impact surface; Accessible surface; or Deteriorated surface; Analysis of dust which indicates lead levels that exceed the threshold provided by applicable law; or Analysis of a secondary source which indicates lead levels that exceed the threshold provided by applicable law. The Department shall ensure most restrictive applicable law is applied to govern the threshold in §04(A)(3) and <cite data-path="13.02.01.04|A.|(4)">§04(A)(4) of this regulation</cite> as prescribed by the:Maryland Department of the Environment; U.S. Environmental Protection Agency; or U.S. Department of Housing and Urban Development.