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독일, 영국과 한국, 일본 등 아시아 국가 간의 위험성평가 제도 비교연구
신인재 ( In Jae Shin ) 한국안전학회(구 한국산업안전학회) 2013 한국안전학회지 Vol.28 No.1
This paper is a comparative study on risk assessment policy between Asian countries such as Japan, Korea, Singapore and EU countries, German, UK. Risk assessment is a tool adopted currently in many countries in order to reduce occupational risk in workplace because it help employers to identify their hazard arousing in their working conditions then to settle the issues. This paper compares institutional framework posed in EU and Asian countries. As a result of comparative study, EU countries have more concrete legal system for risk assessment than Asian countries. But Asian countries are now interested in risk assessment such as Japan, Korea and Singapore. The author also suggests successful ways to settle down the risk assessment policy in a country. These findings help to understand occupational health and safety policy on risk assessment in Asian countries.
현대의 고도화, 자동화된 시스템이 파생한 휴먼에러에 관한이론적 고찰을 통한 리스크 대응전략 설정
신인재 ( In Jae Shin ) 한국안전학회(구 한국산업안전학회) 2014 한국안전학회지 Vol.29 No.1
This paper provides an integrated view on human and system interaction in advanced and automated systems, which adopting computerized multi-functional artifacts and complicated organizations, such as nuclear power plants, chemical plants, steel and semi-conduct manufacturing system. As current systems have advanced with various automated equipments but human operators from various organizations are involved in the systems, system safety still remains uncertain. Especially, a human operator plays an important role at the time of critical conditions that can lead to catastrophic accidents. The knowledge on human error helps a risk manager as well as a designer to create and control a more credible system. Several human error theories were reviewed and adopted for forming the integrated perspective: gulf of execution and evaluation; risk homeostasis; the ironies of automation; trust in automation; design affordance; distributed cognition; situation awareness; and plan delegation theory. The integrated perspective embraces human error theories within three levels of human-system interactions such as affordance level, psychological logic level and trust level. This paper argued that risk management process should dealt with human errors by providing (1) reasoning improvement; (2) support to situation awareness of operators; and (3) continuous monitoring on harmonization of human system interaction. This approach may help people to understand risk of human-system interaction failure characteristics and their countermeasures
박승현 ( Seung Hyun Park ),박해동 ( Hae Dong Park ),신인재 ( In Jae Shin ) 한국산업보건학회 2014 한국산업보건학회지 Vol.24 No.3
Objectives: The purpose of this study was to evaluate the characteristics of worker exposure to hazardous chemical substances and propose the direction of work environment management for protecting worker`s health in the semiconductor assembly process. Methods: Four assembly lines at two semiconductor manufacturing companies were selected for this study. We investigated the types of chemicals that were used and generated during the assembly process, and evaluated the workers` exposure levels to hazardous chemicals such as benzene and formaldehyde and the current work environment management in the semiconductor assembly process. Results: Most of the chemicals used at the assembly process are complex mixtures with high molecular weight such as adhesives and epoxy molding compounds(EMCs). These complex mixtures are stable when they are used at room temperature. However workers can be exposed to volatile organic compounds(VOCs) such as benzene and formaldehyde when they are used at high temperature over 100℃. The concentration levels of benzene and formaldehyde in chip molding process were higher than other processes. The reason was that by-products were generated during the mold process due to thermal decomposition of EMC and machine cleaner at the process temperature(180℃). Conclusions: Most of the employees working at semiconductor assembly process are exposed directly or indirectly to various chemicals. Although the concentration levels are very lower than occupational exposure limits, workers can be exposed to carcinogens such as benzene and formaldehyde. Therefore, workers employed in the semiconductor assembly process should be informed of these exposure characteristics.