title: Formaldehyde levels in the air of houses containing urea-formaldehyde foam insulation.
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D002170:Canada; D005557:Formaldehyde / Q000032:analysis*; D006798:Housing / Q000592:standards; D014481:United States; D014489:United States Occupational Safety and Health Administration; D014508:Urea
chemical_list: D000393:Air Pollutants; D005557:Formaldehyde; D014508:Urea