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박연신(Yuon Shin Park),황만식(Man Sik Hwang),노혜란(Hye Ran Noh),천광수(Kwang Soo Chun),김성범(Sung Bum Kim) 한국위험물학회 2013 한국위험물학회지 Vol.1 No.1
As the continuous growth of chemical use and chemical industry, the probability of chemical-accident and human exposure also increases. Owing to recent successive chemical accidents, public anxiety and concern about chemicals is increasing. If a chemical accident occurs, it is important to rapid and appropriate first respond based on accurate substances information. The Ministry of Environment as the lead agency managing chemicals need to set systematic management strategies to prevent chemical accidents and to minimize injuries caused by accidents. Thus, 6,770 substances in the domestic legal system of chemical safety management DB has built. Web-based information system was developed to enhance the accessibility and usability of DB. In this article, we discussed and introduced development of chemical database and information system for safety management(KISChem; Korea Information System for Chemical safety management). This product may be useful for enhancing our capability of preparedness and prevention for chemical accidents.
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환경성 발암물질의 용량-반응모델의 이론적 근거와 응용에 관한 연구 - 음용수 중 chloroform을 중심으로
신동천,정용,김종만,이성임,황만식,Shin, Dong-Chun,Chung, Yong,Kim, Jong-Man,Lee, Seong-Im,Hwang, Man-Sik 대한예방의학회 1996 예방의학회지 Vol.29 No.1
This study described methods to predict human health risk associated with exposure to environmental carcinogens using animal bioassay data. Also, biological assumption for various dose-response models were reviewed. To illustrate the process of risk estimate using relevant dose-response models such as Log-normal, Mantel-Bryan, Weibull and Multistage model, we used four animal carcinogenesis bioassy data of chloroform and chloroform concentrations of tap water measured in large cities of Korea from 1987 to 1995. As a result, in the case of using average concentration in exposure data and 95% upper boud unit risk of Multistge model, excess cancer risk(RISK I) was about $1.9\times10^{-6}$, in the case of using probability distribution of cumulative exposure data and unit risks, those risks(RISK II) which were simulated by Monte-Carlo analysis were about $2.4\times10^{-6}\;and\;7.9\times10^{-5}$ at 50 and 95 percentile, respectively. Therefore risk estimated by Monte-Carlo analysis using probability distribution of input variables may be more conservative.
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우리나라 환경문제의 인지 위해도와 정부규제의 필요성에 관한 연구
임영욱(Young Wook Lim),신동천(Dong Chun Shin),황만식(Man Sik Hwang),박종연(Chong Yon Park),김황룡(Hwang Ryong Kim) 한국환경영향평가학회 2002 환경영향평가 Vol.11 No.3
A substantial literatures on environmental risk perception have emerged since the late 1960s. Most these works focus on how people form risk perception, on what people believe, on difficulties in communicating information about health, safety, or environmental risks to non-experts. In this study, questionnaire surveys were conducted to sample from stakeholders(general public, environmental specialist, governmental official, non-government officials, journalist) during March and Aprils, 2000. Total number of responses was 1,803 including 773 persons of general public, 353 experts, 390 governmental officials, 111 journalists and 176 NGO members. Risk perception on 26 environmental issues were statistically analyzed to relate with the need to regulate each issues, interest and knowledge, experience of hazard, satisfaction in environmental situation, etc. This research aims to aid risk analysis and policy-making by providing a basis for understanding and anticipating group responses to environmental issues and improving the communication of risk information among general public, lay-people, technical experts, and decision-makers. This study concludes that those who are in charge of promoting and regulating health and safety of citizens should understand how people perceive about and respond to environmental risk. Without such understanding, well-intended environmental policies of governments would be ineffective,
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RAMS의 실시간 기상장 예측 향상을 위한 최신 토지피복도 자료의 적용가능성 평가
원경미(Gyeong Mee Won),이화운(Hwa Woon Lee),유정아(Jeong Ah Yu),홍현수(Hyun Su Hong),황만식(Man Sik Hwang),천광수(Kwang Su Chun),최광수(Kwang Su Choi),이문순(Moon-Soon Lee) 한국대기환경학회 2008 한국대기환경학회지 Vol.24 No.1
Chemical Accident Response Information System (CARIS) which has been designed for the efficient emergency response of chemical accidents produces the real-time atmospheric fields through the Regional Atmospheric Modeling System, RAMS. The previous studies were emphasized that improving an initial input data had more effective results in developing prediction ability of atmospheric model. In a continuous effort to improve an initial input data, we replaced the land-use dataset using in the RAMS, which is a high resolution USGS digital data constructed in April, 1993, with the latest land-use data of the Korea Ministry of Environment over the South Korea and simulated atmospheric fields for developing a real-time prediction in dispersion of chemicals. The results showed that the new land-use data was written in a standard RAMS format and shown the modified surface characteristics and the landscape heterogeneity resulting from land-use change. In the results of sensitivity experiment we got the improved atmospheric fields and assured that it will give more reliable real-time atmospheric fields to all users of CARIS for the dispersion forecast in associated with hazardous chemical releases as well as general air pollutants.
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납의 다경로 노출에 의한 건강위해성평가 : 우리 나라 일부 지역 성인들을 대상으로
정용,황만식,양지연,조성준 한국환경독성학회 1999 환경독성보건학회지 Vol.14 No.4
This paper describes a set of multi-pathway models for estimating health risk to lead. The models link concentrations of an environmental contaminant (lead) in air, water and food to human exposure through inhalation, ingestion, and dietary routes. Exposure is used as the foundation for predicting risk of health detriment within the population. The process of estimating exposure using often limited data and extrapolating to a large diverse population requires many assumption, inferences, and simplification. This paper is divided into four section. The first section provides lead contaminant levels on obtaining environmental concentration of air, tap water, and foods. The second section provides a discussion of exposure parameters and uncertainty associated predicting human health risk of contaminants. The third and fourth section illustrate lifetime average daily exposure (LADE) and excess cancer risk (ECR) based on exposure parameters. The relationship between concentration of lead in an environmental medium and human exposure is determined with pathway exposure factors (PEFs). The calculation of LADE and ECR is carried out using Monte-Carlo simulation with probability density function of exposure parameters. Examination of the result reveals that, for lead exposure, ingestion (food) is the dominant route of exposure rather than inhalation (air), and ingestion (tap eater).
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