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구동철 ( Dong Chul Gu ),이채관 ( Chaek Wan Lee ),이재환 ( Jae Wan Lee ),이수연 ( Su Yeon Lee ),윤순영 ( Soon Young Yun ),한아름 ( A Reum Han ),김현주 ( Hyun Ju Kim ),박영범 ( Yeong Beom Park ),정성욱 ( Seong Wook Jeong ),문찬석 ( 한국산업보건학회 2014 한국산업보건학회지 Vol.24 No.4
Objective: This study aimed to evaluate the exposure status of formaldehyde(FA) among the nurses in ambulatory care departments of university hospital. Methods: Two university hospitals were surveyed. The FA concentration in air were measured to target 62 nurses in 8 ambulatory care departments(89 samples). Air sampling and analysis of FA were carried out according to the OSHA Method ID-205. The survey was conducted with questionnaire asking about how to control FA and whether the nurses use the formaldehyde protectors or not. Results: FA was detected in all samples. The maximum concentration of FA was 0.258 ppm and the geometric mean was 0.023 ppm. There was no sample that exceeded any of exposure standards by OSHA-TWA whereas there were 54 samples(60.7%) that exceeded the standards by NOISH-TWA. Among 62 nurses handling FA, 13 nurses(21.0%) used the protective gloves while nobody used a gas mask. It was assessed that any of 8 common ambulatory care departments did not use a safety cabinet for FA in which local exhaust ventilation was fixed. Conclusions: Nurses in ambulatory care departments were exposed to FA. Therefore, the environment management of a workplace, the health management of a nurses, FA handling education and installing a FA cabinet with a local exhaust ventilation were needed because FA as a carcinogen was able to cause any cancer to a human body if it was emitted in air for long time.
구동철 ( Dong Chul Gu ),이재환 ( Jae Hwan Lee ),한아름 ( A Reum Han ),김현주 ( Hyun Ju Kim ),이수연 ( Su Yeon Lee ),윤순영 ( Soon Young Yun ),이채관 ( Chae Kwan Lee ) 한국산업위생학회 2013 한국산업보건학회지 Vol.23 No.2
Objectives: This study was aimed at the examination of the lead exposure status of smelting process workers in steelmaking using scrap iron. Methods: The study was conducted from July to September 2012 by means of measurements taken during the smelting process, with 45 minutes set for a one-time smelting work cycle when it comes to personal air sample and area air sample. As such, daily work hours were classified into 360 minutes for measurement. The analysis of lead concentration was conducted using AAs based on the NIOSH 7300 method. Results: In the case of the personal specimens that were subjected to periodical measurement 45 minutes per one session during the smelting process, 40 out of 42 specimens measured were found to contain lead, with an average concentration level of 0.028 mg/m 3 (Max: 0.182 mg/m 3 , Min: 0.005 mg/m 3 , TWA-more than 50%: 4 out of 6 units). In the case of regional specimens, lead was detected in 45 out of 48 specimens measured, with an average concentration level of 0.037 mg/m 3 (Max: 0.220 mg/m 3 , Min: 0.007 mg/m 3 ). In the case of regional specimens subjected to measurement using a day as the work cycle, lead was detected in 15 out of 15 specimens measured, with an average concentration level of 0.049 mg/m 3 (Max: 0.478 mg/m 3 , Min: 0.005 mg/m 3 ). Conclusions: It concluded that smelting process workers in steelmaking are exposed to lead because scrap iron is used as a raw material. It is thus necessary to introduce legal management to prevent occupation-related disease in smelting process workers in steelmaking.
구동철,문지용,정기호 부산대학교 환경문제연구소 2004 環境硏究報 Vol.22 No.-
The Survey of Dust Levels in Tunnels Located in Busan Metropolitan City