Indoor air quality in the high technology industry-an electronics plant as an example

Autor: 蘇家慧
Rok vydání: 2009
Druh dokumentu: 學位論文 ; thesis
Popis: 97
In order to understand indoor air quality of high technology factory in Taiwan, this research took a certain electronic factory as the subject. The majority of this company’s personnel are engineers. Its major products are network commodity. The manufacturing area and engineers’ office both are located in the same building, which leads to the complicated issue of indoor air quality. The air samplings for chemical were taken in August, November and March of 2006-2007 and taken two times in the morning and afternoon. The direct reading instruments were used for detecting the levels of CO2, CO, O3, TVOC, PM10, PM2.5. The temperature and relative humidity (RH) were also recorded in each sampling. The study showed that cardboard and pallet situated in the repository were the probable sources of formaldehyde. The O3 concentration in manufacturing departments was higher than administrating departments, and the reason might be due to welding process. Because the locations of repository and manufacturing departments were next to each other, formaldehyde and O3 originated from individual zone could spread into their immediate neighboring area, respectively, which suggested that the effective separation between these two areas should be installed. The CO2 concentration in administrating departments was higher than the manufacturing departments, and the CO2 concentration would shoot up during afternoon. In order to improve air quality in terms of CO2 concentration, it is recommended to increase ventilation rate during afternoon. The Council of Labor Affairs (CLA) had the standard for hazardous material in the air for the environments in a workplace. However the Environmental Protection Administration (EPA) adopted a more stringent standard for the indoor air quality. According to this study, the indoor air quality of the company complied with the CLA standard, but fell significantly behind the EPA standard. Regardless of the discrepancy in the two standards, in order to provide better protection to their employees, a responsible employer should improve the indoor air quality in workplace according to the EPA standard.
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