Research Article
Changes in Indoor Air Quality in Public Facilities before and after the Enactment of Taiwan’s Indoor Air Quality Management Act
Table 3
Inhalation cancer risk of formaldehyde exposure for staff workers in different indoor environments.
| | Location | Inhalation unit risk adjusted (μg/m3)-1 | Before | After | | Conc. (μg/m3) | Inhalation cancer risk | Conc. (μg/m3) | Inhalation cancer risk | | Average | 95% upper limit | Average | 95% upper limit |
| | School | | 23.9 | | | 74.7 | | | | Library | | 58.9 | | | 45.2 | | | | Preschool | | 32.7 | | | 65.3 | | | | Hospital | | 33.3 | | | 50.9 | | | | Social welfare institution | | 0.0 | — | — | 74.7 | | | | Government office | | 16.8 | | | 44.5 | | | | Public transport system | | 8.6 | | | 82.8 | | | | Exhibition room | | 54.6 | | | 31.5 | | | | Department store/shopping center | | 75.3 | | | 75.3 | | |
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