... Metal/LeadAlthough the lead concentration in indoor air islo wer in Japan than in other developed countries, the source of lead contamination in dwellings is con-troversial.122, 123)Apaper has indicated ... phthalate (DEHP)among phthalates were detected predominantly in indoor air samples.93) The dominant path of phtha-lates intake was the ingestion of foodstuffs com-pared to inhalation of indoor air ... reducing the levels of chemical com-pounds in the indoor air of schools—A study of the No. 5 501 effect of ventilatio n—. Indoor Environ., 8, 35–39 (in Japanese).136)Park,J.H.,Byeon, J. H., Yoon,...