An accredited lead paint inspection contractor may issue a certificate of lead-safe housing following an inspection that: Establishes compliance with the risk reduction standard as specified in Environment Article, §6-815, Annotated Code of Maryland; Incorporates the lead dust sample location methods set forth in §B(3) of this regulation; and Verifies that all windows are either lead-free or have been treated so that all friction surfaces are lead-free. Inspection for Lead-Contaminated Dust for Certification of Lead-Safe Housing. The dust samples for an inspection of lead-contaminated dust for certification of lead-safe housing shall be collected during an inspection by an accredited lead paint visual inspector or accredited lead paint risk assessor. The accredited lead paint visual inspector or risk assessor shall follow the lead dust sample collection techniques set forth in COMAR 26.16.05.09. Selection of Surfaces for Dust Samples. The lead paint visual inspector or risk assessor shall: Select dust sample locations which best characterize the potential for lead exposure within a dwelling unit, to include activity areas for children; Collect at least one dust sample from each room in a dwelling unit as follows: From each room in which there is no window, at least one sample shall be collected from the floor; From each room in which there is at least one window, at least three samples shall be taken, including one each from a window well, a window sill, and the floor. Within 10 calendar days following receipt of all required laboratory analyses for dust samples collected during an inspection, the inspection contractor shall submit a copy of the certificate, with a report of all inspection results, to the Department.