; or (ii) is intended to be sold by each originating mortgage institution to any federally chartered secondary mortgage market institution. (13) Originating mortgage institution The term originating mortgage institution means a lender that provides mortgage loans. (14) Priority housing The term priority housing means housing that qualifies as affordable housing under section 215 of the Cranston-Gonzalez National Affordable Housing Act ( 42 U.S.C. 12745 ), including housing that receives assistance under subsection (b) or (o) of section 8 of the United States Housing Act of 1937 ( 42 U.S.C. 1437f ). (15) Public housing The term public housing has the meaning given such term in section 3(b) of the United States Housing Act of 1937 ( 42 U.S.C. 1437a(b) ). (16) Reduction The term reduction means measures designed to reduce or eliminate human exposure to lead-based pipe hazards through methods including interim controls and abatement. (17) Residential dwelling The term residential dwelling means— (A) a single-family dwelling, including attached structures such as porches and stoops; or (B) a single-family dwelling unit in a structure that contains more than 1 separate residential dwelling unit, in which each such unit is used or occupied, or intended to be used or occupied, in whole or in part, as the home or residence of one or more persons. (18) Residential real property The term residential real property means real property on which there is situated one or more residential dwellings used or occupied, or intended to be used or occupied, in whole or in part, as the home or residence of one or more persons. (19) Risk assessment The term risk assessment means an on-site investigation to determine and report the existence, nature, severity, and location of lead-based pipe hazards in residential dwellings, including— (A) information gathering regarding the age and history of the housing and occupancy by children under age 6; (B) visual inspection; (C) other activities as may be appropriate