| Journal Call no. | TD171.5.H6E22 |
|---|---|
| Article Title | Hold your breath. |
| Is Part Of | ECCO ; no.73, Oct 1997, p.1-2, illus. |
| Abstract | When severe air pollution warnings go out, staying indoors is supposed to be the sensible response - that way you escape the potentially harmful effects of dirty air. But researchers at The Hong Kong Polytechnic University have found there is no guarantee of clean air even with the windows shut. This article covers the main points raised by Dr. Hung Wing-tat, assistant professor in the university's civil and structural engineering department and one of the researchers in the study. |