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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
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.
석면방직공장과 인근지역에서 발생한 직업성 및 환경성 석면 질환 사례
강동묵,구동철,김건형 대한의사협회 2009 대한의사협회지 Vol.52 No.5
The asbestos textile industry is characterized by the highest asbestos ambient air concentration of those workers who have suffered from high incidence of lung cancer, malignant mesothelioma, and other asbestos related diseases (ARDs). Also, asbestos dust occurred in a factory can be disseminated into the environmental air around the factory, which can cause ARDs among residents of the factory. High lung cancer and malignant mesothelioma mortality rates among asbestos textile workers were established, and increase of ARDs among residents around the factory has been reported. A large number of environmentally exposed residents as well as severity of health problems among asbestos textile workers would cause huge social problems. The high exposure group needs to be monitored for early detection and management. In addition, a nationwide mandatory malignant mesothelioma registration system to identify exposure sources and high risk groups might help to predict and manage ARDs.
영구형 박동 조율기 전극 감염과 관련된Actinobacillus actinomycetemcomitans균혈증 1예
박현구,최성호,구동회,배정호,이창훈,강호석,조재철,김양수,우준희,최상호 대한감염학회 2006 Infection and Chemotherapy Vol.38 No.4
A 73-year-old man was admitted for intermittent episodes of fever and chills for 3 months. He had been implanted with a permanent pacemaker to control tachy-bradycardia syndrome 7 months before admission. Blood cultures were positive for Actinobacillus actinomycetemcomitans and a 99mTc-hexamethylpropylene amine oxime (99mTc-HMPAO) WBC scan revealed inflammation on the pacemaker lead in extracardiac site. Oral examination revealed several dental caries. The patient was treated with intravenous ceftriaxone, followed by oral ciprofloxacin without removal of the infected pacemaker lead. He was doing well 10 months without febrile episodes after discontinuation of antibiotics. This report describes the first case of A. actinomycetemcomitans bacteremia associated with a pacemaker lead and localized by 99mTc-HMPAO WBC scan 저자들은 3개월간 지속된 발열을 주소로 내원한 영구형 박동 조율기가 있는 환자에서 99mTc-HMPAO 백혈구 스캔상 상대정맥에 위치한 박동 조율기 전극에 염증 소견이 관찰되었고 혈액 배양 검사상 Actinobacillus actinomycetemcomitans이 동정되어 이 미생물에 의한 박동 조율기 전극 감염으로 진단하고 박동 조율기의 제거 없이 항균제만으로 성공적으로 치료된 증례를 문헌 고찰과 함께 보고하는 바이다.
영구형 박동 조율기 전극 감염과 관련된 Actinobacillus actinomycetemcomitans 균혈증 1예
박현구,최성호,구동회,배정호,이창훈,강호석,조재철,김양수,우준희,최상호 대한감염학회 2006 감염과 화학요법 Vol.38 No.4
저자들은 3개월간 지속된 발열을 주소로 내원한 영구형 박동 조율기가 있는 환자에서 99mTc-HMPA0 백혈구 스캔상 상대정맥에 위치한 박동 조율기 전극에 염증소견이 관찰되었고 혈액 배양 검사상 Actinobacillus actinomycetemcomitans이 동정되어 이 미생물에 의한 박동 조율기 전극 감염으로 진단하고 박동 조율기의 제거없이 항균제만으로 성공적으로 치료된 증례를 문헌 고찰과 함께 보고하는 바이다. A 73-year-old man was admitted for intermittent episodes of fever and chills for 3 months. He had been implanted with a permanent pacemaker to control tachy-bradycardia syndrome 7 months before admission. Blood cultures were positive for Actinobacillus actinomycetemcomitans and a 99mTc-hexamethylpropylene amine oxime (99mTc-HMPAO) WBC scan revealed inflammation on the pacemaker lead in extracardiac site. Oral examination revealed several dental caries. The patient was treated with intravenous ceftriaxone, followed by oral ciprofloxacin without removal of the infected pacemaker lead. He was doing well 10 months without febrile episodes after discontinuation of antibiotics. This report describes the first case of A. actinomycetemcomitans bacteremia associated with a pacemaker lead and localized by 99mTc-HMPAO WBC scan
김소영(Kim S. Y.),구동철(Gu D. C.),이원교(Lee W. K.),안호성(An H. S.) 대한전기학회 2021 대한전기학회 학술대회 논문집 Vol.2021 No.10
This paper studied the application of 70kV Overhead Cables. To solve the problem of the existing method bare wire and underground cable. This study present basic model of cable lightweight and suitable tower for 70kV Overhead Cable Transmission.