In this chapter, the following terms have the meanings indicated. Terms Defined. “Area median income” means the median household income for the area adjusted for household size as calculated annually by the United States Department of Housing and Urban Development. “Department” means the Department of Housing and Community Development, a principal department of the State. “Environmental professional” means a person meeting the definition in Title 40, Part 312, of the Code of Federal Regulations. “Health hazard” means a chemical, physical, biological, or ergonomic factor in the environment that may have a negative impact on human health. “Public health impact assessment” means a written evaluation of potential negative impacts on public health associated with the proximity of a qualified project to any health hazards within an area zoned for nonresidential use. “Qualified project” means a residential project that meets the definition in Land Use Article, §§7-502, 7-503, or 7-504, Annotated Code of Maryland, as applicable. “Secretary” means the Secretary of the Department of Housing and Community Development, a principal department of the State.