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석유화학 공장 사무실 공기질과 근로자 자각 증상과의 연관성에 관한 연구

Other Titles
 Relationship Between the Air Quality in Petrochemical Plant and the Subjective Symptoms of Workers 
Authors
 김기연  ;  김혜정  ;  김현수  ;  김치년  ;  원종욱  ;  노영만  ;  노재훈 
Citation
 Journal of Korean Society for Indoor Environment (한국실내환경학회지), Vol.3(3) : 224-235, 2006 
Journal Title
Journal of Korean Society for Indoor Environment(한국실내환경학회지)
ISSN
 1738-4125 
Issue Date
2006
Keywords
Air quality ; Subjective health symptom ; Formaldehyde ; PM10 ; Carbon monoxide ; Carbon dioxide
Abstract
This research was performed with the subject of 111 offices in a chemical plant of Korea. Airborne concentration level of carbon dioxide, carbon monoxide, formaldehyde and total suspended particulates in the office rooms were measured along with temperature and relative humidity. Simultaneously, general characteristics and subjective health symptoms of 500 office workers were investigated through a questionnaire consisting of the five point weighting method : 0 = not at all, 1 = a little bit, 2 = moderately, 3 = quite a bit and 4 = extremely. Results showed that the mean values for temperature and relative humidity in investigated office rooms were 22.2℃ and 34.3%, respectively. The concentrations of formaldehyde, PM10, carbon dioxide and carbon monoxide were 0.17 ppb, 28.8 ㎍/㎥, 0.95 ppm and 424 ppm, respectively. 56.4% of all the workers investigated replied with a sense of fatigue or weariness (mean=2.23), drowsiness or languidness (mean=2.22), sneezing (mean=2.11) and ophthalmia oreye fatigue (mean=2.07). Female workers, non-smokers, non-drinkers, workers who do shift more than nine hours a day, and workers in poor health experienced more subjective symptoms than other workers (p<0.05). Subjective symptoms of office workers were significantly associated with the following items of office characteristics: the purchasedate of office equipment, the change of office furniture, the use of paint, smoking in the office, ventilation condition, the use of an individual air-conditioner, the use of a fax machine, the degree of office repair, the proportion of workers per office, the degree of satisfaction in office environment, and the operation hours of the air-conditioner. Also, subjective symptoms were positively correlated with indoor environmental factors such as relative humidity, carbon dioxide level, level of PM10, and formaldehyde (p<0.05). In conclusion, office characteristics and air quality in a chemical plant affected subjective health symptoms ofoffice workers. Thus, in order to improve the health of workers, to enhance work efficiency, and to establish a better office environment, air quality control in office rooms by optimal ventilation, adequately occupied number of workers in one office, and maintenance of office equipment should be fulfilled thoroughly.
Files in This Item:
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Occupational and Environmental Medicine (작업환경의학과) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
4. Graduate School of Public Health (보건대학원) > Graduate School of Public Health (보건대학원) > 1. Journal Papers
Yonsei Authors
Kim, Chi Nyon(김치년) ORCID logo https://orcid.org/0000-0002-5693-3307
Roh, Jae Hoon(노재훈)
Won, Jong Uk(원종욱) ORCID logo https://orcid.org/0000-0002-9200-3297
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/111043
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