| Title |
The Analysis of the Impact on VOC and Formaldehyde Concentration in New Apartment Housing Relation with Air Temperature and Relative Humidity |
| Keywords |
Air Temperature ; Relative Humidity ; Volatile Organic Compounds ; Formaldehyde ; Crucial Emission Point |
| Abstract |
Some studies have shown that air temperature and humidity have a strong impact on the perception of air quality or VOC emissions from building materials. The objective of this study is to analysis of the impact on the VOC(benzene, ethylbenzene, toluene, xylene, styrene) and formaldehyde concentration in apartment housing relation with air temperature and relative humidity(RH). VOC and formaldehyde were sampled and analyzed by GC/MS and HPLC. VOC and formaldehyde concentration in 36 households on new apartments distributed in six sites were measured from January to December 2007. As a result, VOC and formaldehyde concentration showed dependence on RH in the typical range 20∼70%, and showed little dependence on air temperature in the typical range 23-29℃ for ordinary life. And It was observed that the most strong impact of humidity on the emission of formaldehyde from indoor air. In this study, it was found that the crucial emission point which extremely increased VOC and formaldehyde concentration, air temperature 25℃ and 40-50%. |