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CMI와 THI에 의한 서울시내 개인택시 실내환경 근무 운전기사의 건강영향 평가 연구
손종렬(Jong-Ryeul Sohn),변상훈(Sang-Hoon Byun),노영만(Young-Man Roh),김윤신(Yoon-Shin Kim) 한국실내환경학회 2005 한국실내환경학회지 Vol.1 No.2
This study was performed to investigate the health status of 600 owner-driver of taxi in Seoul City during from August 1, 2003 to February 28, 2004. The prevalence of subjective symptoms were surveyed by a general health questionnaires such as Todai Health Index (THI) and the Cornell Medical Index (CMI). In the THI health check table, prevalence of the complaints of mental subjective symptom by age was high in the items of fabrication (L), digestion (C), and aggressiveness (F) from 31 to 40 years old drivers and mental subjective symptom by age was high in all items except for tiredness (I), melancholia (N), and hypersensitivity (P) for the 60 years old drivers and showed in the items of melancholia (N) and hypersensitivity (P) for the 40 years old. From the complaints of mental and physical subjective symptoms about work satisfaction in the THI health check table, the strong dissatisfaction showed in the all items except for eye and skin trouble (B). All items except hypersensitivity (P) showed dissatisfaction in prevalence of complains of mental and physical subjective symptoms about work satisfaction in the CMI health check table. From the complains of mental and physical subjective symptoms on salary satisfaction in the THI health check table, the taxi driver who earn the salary of 1 million won showed statistically significant symptom of eye and skin trouble (B) and showed high tendency in all items except for respiratory (A) and digestion (C) systems. It is suggested that the appropriate health control for owner-driver of taxi should be applied to reduce the prevalence of complaints that showed mainly in the irregular working time and sleeping disorders.
손종렬(Jong-Ryeul Sohn),변상훈(Sang-Hoon Byeon),김영환(Young-Whan Kim),김종혁(Jong-Hyeok Kim),조윤수(Yun-Su Cho),이재영(Jae-young Lee),박윤주(Youn-Ju Park) 대한환경위생공학회 2003 대한환경위생공학회지 Vol.18 No.3
Recently, Indoor air quality(IAQ) in workplace, residential environments and schools has been concern of people, scientists and related the public. And so in Seoul has recognized the healthy effect related to IAQ in schools. Therefore, the objective of this study reported in this article were to measure and compare the perception of IAQ of selected air pollutants at three different schools in Seoul. We performed a questionnaire survey of 400 students about their awareness for the importance of IAQ in our school. And we measured the IAQ of 3 schools considering as site region, construction year and studying level. The indoor air pollutants and parameters such as temperature, relative humidity, respirable particulate matter(PM10). formaldehyde(HCHO), total bacteria counts(TBC), carbon dioxide(C0₂), and noise were monitored in indoors. In results, all most response of occupant has recognized the awareness of IAQ at schools. The PM10. TBC and Noise level of all schools were higher than the standard of the public 150㎍/m³ and 500 CFU/rn³, the level formaldehyde(HCHO) was below 0.1 ppm of the healthy guideline of Korea And the concentration of CO₂ were investigated below 1,000 ppm of the standard implying ventilation in 2 schools except for 1 school(c school). Finally. the control of most important pollutants of IAQ in school were PM 10. TBC and Noise. Therefore, it can be concluded that the indoor air quality of selected 3 schools studied was perceived as acceptable. it is recommended that the government related IAQ was suggested the guideline and control of lAQ problems in schools. and all member relating school need to be effort to reduce the exposure of sources to undesirable indoor pollutants such as Particlate and Noise.
마지은(Ji-Eun Ma),손종렬(Jong-Ryeul Sohn),변상훈(Sang-Hoon Byeon),곽호찬(Ho-Chan Kwak) 고려대학교 보건과학연구소 2007 보건과학논집 Vol.33 No.2
In this study, we have been selected three different territory old welfare facilities(A,B,C) than we estimated Indoor air quality by the measurement and analyzed indoor air pollutants. And also Pulmonary Function Test(PFT) has been tested to old man and old female from the different territory old welfare facilities. The results of an experiment is same as following ; 1. PM2.5(flowrate 2 L/day) is detected less than 15 ㎍/㎥ 2. PM2.5(flowrate 5 L/day) is detected less than 150 ㎍/㎥, but one of the old welfare facility(B) detected 133.34 ㎍/㎥ 3. NO2 is detected less than 60 ppb 4. PET value : Eldery from area B(old welfare facility) is much more low than area A&C
박민수(Min-Soo Park),표현미(Hyun-Mi Pyo),손종렬(Jong-Ryeul Sohn),변상훈(Sang-Hoon Byeon) 한국실내환경학회 2008 한국실내환경학회지 Vol.5 No.3
According to the measurements at Seoul Metro subway, the sound level at the time of subway arrival ranged from 77.0 to 92.5 ㏈(A). The highest level was 92.5 ㏈(A) at Line-1, and the lowest level was 77.0 ㏈(A) at Line-5. The sound level of departure ranged from the lowest level of 82.9 ㏈(A) at Line-5 and the highest level of 95 ㏈(A) at Line-1. The indoor sound level at subway ranged from the lowest level of 87.2 ㏈(A) (Line-6) to the highest value of 92.1 ㏈(A) (Line-1). The results of this study also showed that the sound level at subway platform with Platform Screen Door(PSD) showed 81.8 ㏈(A) but 89.1 ㏈(A) without PSD. The sound reduction effect of PSD showed 7.3 ㏈(A) at platform. Consequently, the sound level in Korean subway was found to exceed the standard set for the American Public Transportation Association (85㏈(A)).