... (CS), and mycotoxicosis.1) In Japan, these issueswere addressed by establishing guideline values for indoor formaldehyde concentration in 20002) and the Ministry of Land Infrastructure and Transport ∗ To ... higher indoortemperature in winter was associated with an in- crease in most symptoms analyzed, and an indoortemperature of over 23 in summer, decreased mostsymptoms.41) Particulate Matter Particulate ... centers in Sweden. Indoor Air,16, 227 235.135)Takekuma, M., Ohmura, A. and Saito, K. (2005)Measures for reducing the levels of chemical com-pounds in the indoor air of schools—A study of theNo....