• 제목/요약/키워드: Laboratory Safety Management System

검색결과 133건 처리시간 0.032초

Epichlorohydrin의 유해성과 작업환경 관리 (Hazards Assessment and Workplace Management of Epichlorohydrin)

  • 김현영;황양인;국원근
    • 한국산업보건학회지
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    • 제22권2호
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    • pp.164-173
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    • 2012
  • Objectives: Epichlorohydrin is a material that has been predicted to have high volatility and strong toxicity and is used normally in working area. Therefore, the hazardous and dangerous level and the foreign management system about epichlorohydrin should be invested at home and abroad and through hazard assessment for occupational environment measurement and exposure status of industrial workers in domestic working area. Methods: To assess risk and to suggest Development and Adoption to prevent health damage of workers owing to the epichlorohydrin exposure, the hazardousness and dangerousness of epichlorohydrin and its practical examples and regulation level for domestic and abroad health impairment are researched on the base of various references. Results: The epichlorohydrin caused skin and mucus membrane irritation, respiratory paralysis, kidney and live damage under the influence of acute toxicity and in animal study, it was confirmed as a doubtful carcinogenic substance to trigger reducement of sperm number and reproduction ability, abnormal spermatogenesis, mutagen, increase of forestomach epithelium and occurrence of papilloma and so on, as well as it induced stimulus asthma and allergic contact dermatitis for exposure workers. Conclusions: Epichlorohydrin was found to occur allergic contact dermatitis, carcinogenesis doubt and reproduction toxicity and was verified as a material which would be established reinforcement of management level to care health of handlers, such as denotement dangerousness of skin absorption.

종합병원 진단검사의학과 검사실의 시설 현황 조사 - 300 병상 미만 병원을 중심으로 (A Study on the Facility and Equipment of Laboratory Medicine in General Hospital - Focused on less than three hundred bed hospitals)

  • 김영애
    • 의료ㆍ복지 건축 : 한국의료복지건축학회 논문집
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    • 제25권3호
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    • pp.15-23
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    • 2019
  • Purpose: As the medical laboratories in general hospitals have made an efforts on quality management and employee health, they recognized the need of design guideline for clinical laboratory. As laboratories are prohibited to patients, their environments are becoming more congested and deteriorated as time goes by. So, this study investigates the current status of facility and equipment of laboratory medicine focusing on less than three hundred patient bed hospitals, and searches the improving matters. Methods: Questionnaires to technologist captains and field surveys to medical laboratories in korean hospitals have been conducted for the data collection. 18 answers have been analysed statistically by MS Excel program. Results: The result of this study can be summarized into followings. Clinical laboratory functions are all hematology, clinical chemistry, immunology, transfusion and urine microscopy, and except for three including microbiology for infection and bio safety level. Average man power of lab are 12.3 man including lab director and captain. Patient bed number, space area and total specimen numbers are not correlated with each other, but specimen numbers and employee number are correlated with. Work space distances are usually good, but exit distances are not adequate for escape owing to obstacles. Specimen delivery system by courier, test method by automatic analyzer, access floor for exposed plumbing and electricities are more practical. Open lab layed out in the center and lab support layed peripheral in space diagram. Lab space configuration by SD method showed that lab support area and employee support area are dissatisfied. Implications: Specialized hospital and yearly total specimen numbers are related to the space area and organization for laboratory planning and design.

분산 IoT센서 기반 실험실 안전관리 시스템 (Distributed IoT Sensor based Laboratory Safety Management System)

  • 정대진;김재윤;배상중;정회경
    • 한국정보통신학회논문지
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    • 제23권1호
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    • pp.90-96
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    • 2019
  • 최근 실험실에서 사용하는 시약장은 IoT 기반 다양한 센서들을 활용하여 내부 환경을 실시간으로 측정하고 사용자들에게 서비스를 제공한다. 센서 데이터를 수집한 후 서버 내에서 위험상황을 식별하고 기기들에게 동작 명령을 전송하게 된다. 이와 같은 중앙 집중형 관리시스템은 여러 대의 시약장에서 측정되는 센서 데이터들을 전송받고 처리하게 될 경우 시약장의 수가 증가할 때마다 데이터 처리 속도가 점차 증가하게 되는 문제가 발생할 수 있다. 이를 해결하기 위해 본 논문에서는 중앙 집중형이 아닌 분산 환경에서 시약장 내부 환경을 분석하여 위험상황의 식별 및 기기 제어를 수행할 수 있는 분산 제어가 가능한 분산 IoT 센서 기반 실험실 안전관리 시스템에 대해 연구한다. 이와 같이 분산형 제어가 가능한 센서 모듈을 이용한 시약장 내부 환경 제어 통해 위험상황에 대한 식별 및 대처를 자동으로 진행함으로써 기존의 시약장과 실험실을 관리하는 시스템들보다 신속한 대처 및 안전관리가 이루어졌음을 확인하였다.

금속수소화물 기반 수소저장시스템의 열관리 인자 조사 (Investigation of Thermal Management Parameters of Metal Hydride Based Hydrogen Storage System)

  • 박주식;김종원;배기광;정성욱;강경수
    • 한국수소및신에너지학회논문집
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    • 제29권3호
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    • pp.251-259
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    • 2018
  • Metal hydride based hydrogen storage under moderate temperature and pressure gives the safety advantage over the gas and liquid storage methods. Still solid-state hydrogen storage including metal hydride is below the DOE target level for automotive applications, but it can be adapted to stationary or miliary application reasonably. In order to develop a modular solid state hydrogen storage system that can be applied to a distributed power supply system composed of renewable energy - water electrolysis - fuel cell, the heat transfer and hydrogen storage characteristics of the metal hydride necessary for the module system design were investigated using AB5 type metal hydride, LCN2 ($La_{0.9}Ce_{0.1}Ni_5$). The planetary high energy mill (PHEM) treatment of LCN2 confirmed the initial hydrogen storage activation and hydrogen storage capacity through surface modification of LCN2 material. Expanded natural graphite (ENG) addition to LCN2, and compression molding at 500 atm improved the thermal conductivity of the solid hydrogen storage material.

Psychosocial Risks Assessment in Cryopreservation Laboratories

  • Fernandes, Ana;Figueiredo, Margarida;Ribeiro, Jorge;Neves, Jose;Vicente, Henrique
    • Safety and Health at Work
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    • 제11권4호
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    • pp.431-442
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    • 2020
  • Background: Psychosocial risks are increasingly a type of risk analyzed in organizations beyond chemical, physical, and biological risks. To this type of risk, a greater attention has been given following the update of ISO 9001: 2015, more precisely the requirement 7.1.4 for the process operation environment. The update of this normative reference was intended to approximate OHSAS 18001: 2007 reference updated in 2018 with the publication of ISO 45001. Thus, the organizations are increasingly committed to achieving and demonstrating good occupational health and safety performance. Methods: The aim of this study was to characterize the psychosocial risks in a cryopreservation laboratory and to develop a predictive model for psychosocial risk management. The methodology followed to collect the information was the inquiry by questionnaire that was applied to a sample comprising 200 employees. Results: The results show that most of the respondents are aware of the psychosocial risks, identifying interpersonal relationships and emotional feelings as the main factors that lead to this type of risks. Furthermore, terms such as lack of resources, working hours, lab equipment, stress, and precariousness show strong correlation with psychosocial risks. The model presented in this study, based on artificial neural networks, exhibited good performance in the prediction of the psychosocial risks. Conclusion: This work presents the development of an intelligent system that allows identifying the weaknesses of the organization and contributing to the enhancement of the psychosocial risks management.

시스템 엔지니어링을 적용한 A-SMGCS 적합성 검증 방안 연구 (A Study on Systems Engineering Based Compliance Procedure for A-SMGCS)

  • 설은숙;김상헌;구성관;조정현
    • 한국항행학회논문지
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    • 제19권1호
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    • pp.33-40
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    • 2015
  • A-SMGCS는 모든 기상조건에서 공항 이동지역 내 요구되는 안전수준을 확보하는 동시에 정해진 지상이동률을 유지하기 위하여 항공기와 차량에게 경로, 안내, 감시, 통제기능을 제공하는 시스템이다. 본 연구에서는 A-SMGCS 적합성 검증방안을 개발하기 위해 시스템 엔지니어링을 도입하였다. A-SMGCS 운용개념을 통해 레벨 IV급 A-SMGCS에 대한 요구사항을 정의하였으며, 기능분석과 할당을 통해 시스템 아키텍처와 시스템 규격을 도출하였다. A-SMGCS 개발을 위한 WBS와 IMS를 수립하였으며, 마지막으로 시스템에 대한 확인 및 검증을 위한 CCL과 TEMP를 개발하였다.

RAMS evaluation for a steel-truss arch high-speed railway bridge based on SHM system

  • Zhao, Han-Wei;Ding, You-Liang;Geng, Fang-Fang;Li, Ai-Qun
    • Structural Monitoring and Maintenance
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    • 제5권1호
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    • pp.79-92
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    • 2018
  • The evaluation theory of reliability, availability, maintainability and safety (RAMS) as a mature theory of state evaluation in the railway engineering, can be well used to the evaluation, management, and maintenance of complicated structure like the long-span bridge structures on the high-speed railway. Taking a typical steel-truss arch bridge on the Beijing-Shanghai high-speed railway, the Nanjing Dashengguan Yangtze River Bridge, this paper developed a new method of state evaluation for the existing steel-truss arch high-speed railway bridge. The evaluation framework of serving state for the bridge structure is presented based on the RAMS theory. According to the failure-risk, safety/availability, maintenance of bridge members, the state evaluation method of each monitoring item is presented. The weights of the performance items and the monitoring items in all evaluation levels are obtained using the analytic hierarchy process. Finally, the comprehensive serving state of bridge structure is hierarchical evaluated.

연구활동종사자 작업환경측정 결과 및 제도개선 방향 (Work Environment Measurement Results for Research Workers and Directions for System Improvement)

  • 황제규;변헌수
    • 한국산업보건학회지
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    • 제30권4호
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    • pp.342-352
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    • 2020
  • Objectives: The characteristics of research workers are different from those working in the manufacturing industry. Furthermore, the reagents used change according to the research due to the characteristics of the laboratory, and the amounts used vary. In addition, since the working time changes almost every day, it is difficult to adjust the time according to exposure standards. There are also difficulties in setting standards as in the manufacturing industry since laboratory environments and the types of experiments performed are all different. For these reasons, the measurement of the working environment of research workers is not realistically carried out within the legal framework, there is a concern that the accuracy of measurement results may be degraded, and there are difficulties in securing data. The exposure evaluation based on an eight-hour time-weighted average used for measuring the working environment to be studied in this study may not be appropriate, but it was judged and consequently applied as the most suitable method among the recognized test methods. Methods: The investigation of the use of chemical substances in the research laboratory, which is the subject of this study, was conducted in the order of carrying out work environment measurement, sample analysis, and result analysis. In the case of the use of chemical substances, after organizing the substances to be measured in the working environment, the research workers were asked to write down the status, frequency, and period of use. Work environment measurement and sample analysis were conducted by a recognized test method, and the results were compared with the exposure standards (TWA: time weighted average value) for chemical substances and physical factors. Results: For the substances subject to work environment measurement, the department of chemical engineering was the most exposed, followed by the department of chemistry. This can lead to exposure to a variety of chemicals in departmental laboratories that primarily deal with chemicals, including acetone, hydrogen peroxide, nitric acid, sodium hydroxide, and normal hexane. Hydrogen chloride was measured higher than the average level of domestic work environment measurements. This can suggest that researchers in research activities should also be managed within the work environment measurement system. As a result of a comparison between the professional science and technology service industry and the education service industry, which are the most similar business types to university research laboratories among the domestic work environment measurements provided by the Korea Safety and Health Agency, acetone, dichloromethane, hydrogen peroxide, sodium hydroxide, nitric acid, normal hexane, and hydrogen chloride are items that appear higher than the average level. This can also be expressed as a basis for supporting management within the work environment measurement system. Conclusions: In the case of research activity workers' work environment measurement and management, specific details can be presented as follows. When changing projects and research, work environment measurement is carried out, and work environment measurement targets and methods are determined by the measurement and analysis method determined by the Ministry of Employment and Labor. The measurement results and exposure standards apply exposure standards for chemical substances and physical factors by the Ministry of Employment and Labor. Implementation costs include safety management expenses and submission of improvement plans when exposure standards are exceeded. The results of this study were presented only for the measurement of the working environment among the minimum health management measures for research workers, but it is necessary to prepare a system to improve the level of safety and health.

항로표지 집약관리를 위한 AtoN AIS의 표준화에 관한 연구 (AtoN AIS Standardization Research for Centralized Management of the AtoN(Aids to Navigation))

  • 임종근;송길복;박정남;조태균
    • 한국항해항만학회:학술대회논문집
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    • 한국항해항만학회 2009년도 공동학술대회
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    • pp.425-431
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    • 2009
  • 근래에 들어 해상안전, 교통 및 해상환경보호를 위한 노력으로 전자적인 수단을 사용하여 해상 정보를 효과적으로 이용하는 기술이 도입되고 있다. 이와 관련하여 국제항로표지협회(IALA)를 중심으로 한 국제사회는 기존의 항로표지(AtoN)에 선박자동식별시스템(AIS) 기술을 혼합한 최첨단 기술로서 앞에서의 정보들을 수집 및 전달하는 핵심 방법으로 도입하였다. 본 논문은 이와 같은 국제 동향에 맞추어 AtoN AIS에 관련한 국내외 규정을 철저히 분석하여 현행의 무선설비규칙에 포함되어 적용할 수 있는 방안을 마련하고자 한다.

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사례 분석을 통한 IoT 기반 화재탐지시스템의 화재 감지신호 특성 (A Case Study of the Characteristics of Fire-Detection Signals of IoT-based Fire-Detection System)

  • 박승환;김두현;김성철
    • 한국안전학회지
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    • 제37권3호
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    • pp.16-23
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    • 2022
  • This study aims to provide a fundamental material for identifying fire and no-fire signals using the detection signal characteristics of IoT-based fire-detection systems. Unlike analog automatic fire-detection equipment, IoT-based fire-detection systems employ wireless digital communication and are connected to a server. If a detection signal exceeds a threshold value, the measured values are saved to a server within seconds. This study was conducted with the detection data saved from seven fire accidents that took place in traditional markets from 2020 to 2021, in addition to 233 fire alarm data that have been saved in the K institute from 2016 to 2020. The saved values demonstrated variable and continuous VC-Signals. Additionally, we discovered that the detection signals of two fire accidents in the K institution had a VC-Signal. In the 233 fire alarms that took place over the span of 5 years, 31% of smoke alarms and 30% of temperature alarms demonstrated a VC-Signal. Therefore, if we selectively recognize VC-Signals as fire signals, we can reduce about 70% of false alarms.