In Finland,the guide line limit for the increased TVOC concentra-
tion (total concentration of VOC; compounds from n-hexane to n-hexadecane) in indoor air is 600mg/m3 (FiSIAQ, 2001). The highest
sum concentration of 16 VOC reached in this study (242mg/m3)
indicates that in restaurants the ETS-related total VOC concentra-
tions (involving a greater number of compounds than measured in
this study) can be high in comparison to the limitvalue. Theaverage
TVOC concentration (GM) was 210 mg/m3 in Finnish restaurants in
2004 (Johnsson et al.,2006). Out of individual compounds, only
styrene has been given an indoor air guideline value (40mg/m3)
(MSAH,2003).The highest measured concentration of styrene in this
study (restaurant9) was 8% of this value.