• 약학회지
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• 제54권5호
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• pp.341-347
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• 2010

The majority of forensic autopsies in Korea are performed by the National Institute of Scientific Investigation (NISI), and the NISI has carried out about 4,000 cases annually. Total 4,578 autopsies were performed by NISI in 2009, among them 2,918 cases (64%) were carried out at main office of NISI in Seoul, which is in charge of Seoul, Incheon and Gyeonggi province. In this study we investigated pattern of drugs & poisons in autopsy cases for recent three years in Korea. Postmortem specimens (bloods, gastric contents, etc) from autopsy cases by main office of NISI during 2007~2009 were screened for drugs & poisons. Using laboratory information management system of NISI (iLIMS), the kinds of drugs & poisons and the frequency were investigated. As the results, 1,705 cases were negative to drugs & poisons, it occupied 58% of total 2,918 autopsy cases in 2009. During three years (2007~2009), the kinds of drugs & poisons detected in specimens were 206, 185 and 203, respectively, and top three drugs were atropine (anticholinergic), chlorpheniramine (antihistamine) and lidocaine (local anaesthetic/anti-arrythmic). These drugs were supposed to be used not so much for suicidal or homicidal purpose as for therapeutic purpose in hospital. Meanwhile cyanide showed the highest frequency of poisons during 2007~2009, and the frequency was 32 cases in 2009. In case of pesticides, poisoning by paraquat (herbicide, 17 cases) showed the highest frequency, and methomyl (insecticide, 9 cases) and glyphosate (herbicide, 7 cases) were followed. Finally we selected 62 drugs as target drugs for systematic toxicological analysis (STA) for Korea. Poisons such as pesticides, natural toxins, volatile compounds should be included for STA in further study.

• 한국산업보건학회지
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• 제33권3호
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• pp.346-354
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• 2023

Objectives: Chemical accidents cause extensive human and environmental damage. Therefore, it is important to prepare measures to prevent their recurrence and minimize future damage through accident investigation. To this end, it is necessary to identify the accident occurrence process and analyze the extent of damage. In this study, the development process and damage range of actual chemical leakage accidents were analyzed using CFD. Methods: For application to actual chemical leakage accidents using FLACS codes specialized for chemical dispersion simulation among CFD codes, release rate calculation and 3D geometry were created, and scenarios for simulation were derived. Results: The development process of the accident and the dispersion behavior of materials were analyzed considering the influencing factors at the time of the accident. In addition, to confirm the validity of the results, we compared the results of the actual damage impact investigation and the simulation analysis results. As a result, both showed similar damage impact ranges. Conclusions: The FLACS code allows the detailed analysis of the simulated dispersion process and concentration of substances similar to real ones. Therefore, it is judged that the analysis method using CFD simulation can be usefully applied as a chemical accident investigation technique.

• 한국화재소방학회논문지
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• 제24권6호
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• pp.112-119
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• 2010

본 연구에서는 제조물 관련 화재조사의 실태분석 및 개선방안을 도출하였다. 연구결과, 화재조사현장에서 조종자 역할을 하는 주체가 불분명하고, 화재피해이재민의 권익보호를 위한 제도적 장치가 부족하며, 소방의 화재감정기관 부재로 화재원인 도출에 한계가 있고, 제조물회사의 초기대응이 소극적인 것으로 나타났다. 개선방안으로는 소방이 화재조사현장에서 조종자 역할을 할 수 있는 제도의 도입, '민간 화재조사전문가' 제도의 도입, 소방의 화재감정기관 및 연구소의 설립.운영, 소방과 제조물회사와의 네트워크 구성 등이 필요한 것으로 나타났다.

• 융합보안논문지
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• 제14권6_2호
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• pp.83-88
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• 2014

초동수사란 사건발생의 초기에 행하는 긴급한 수사 활동이다. 초동수사가 잘못되면 사건이 영원히 미궁에 빠지거나 많은 증거가 사라져버리게 된다. 따라서 초동수사가 잘못되면 많은 인력과 예산을 낭비하거나 또 다른 피해자가 발생하게 되는 것이다. 초동수사는 범죄현장을 중심으로 한 수사와 피해자중심수사 그리고 피해품 중심 수사 등이 있다. 현장중심 수사는 범죄현장주변에서 유류품의 발견, 범행일시의 확정, 참고인의 발견, 지리감 등을 파악하는 수사 활동이다. 피해자 중심수사는 피해자의 인적사항, 피해자 및 가족의 생활상태, 재산상태, 교우관계, 가정 내부사정 등을 파악하여 범인을 검거하는 수사방법이다. 피해품 중심수사는 범죄피해품의 소재 이동경로를 추적하여 범인을 검거하는 방법이다. 경찰의 초동수사역량을 강화하기 위해서는 초동수사에 대한 교육을 강화하고, FTX(현장훈련)를 지속적으로 실시하여야 할 것이다. 그리고 초동수사매뉴얼을 제작하여 활용하여야 하며, 사건분석시스템을 구축할 필요가 있다. 또한 과학수사기법의 개발과 국민의 협조가 필요하다. 앞으로는 사건에 대한 초동수사부터 철저히 하여 국민에게 믿음을 줄 수 있는 경찰이 되어야 할 것이다.

• 대한인간공학회지
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• 제35권3호
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• pp.143-153
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• 2016

Objective: The purposes of this study are to survey needs for changing accident investigation from blaming to systems approach and to briefly summarize systems-based accident analysis techniques. Background: In modern complex socio-technical systems, accidents are caused by a variety of contributing factors including human, technical, organizational, social factors, not by just a single violation or error of a specific actor, but accidents investigation used to be focused on the incorrect action of individuals. A new approach investigating causes of accidents as a symptom of a deficient system is required. Method: This study was mainly based on survey of literatures related to accidents, accidents investigation, which included academic journals, newspapers, etc. Results: This study showed that accidents investigation of Korea focusing on blaming is problematic. This was confirmed by two concepts of migration and hindsight bias frequently found in accident causation studies, and an attribute of accidents having varying causes. This was illustrated with an example of Sewol ferry capsizing accident. Representative systems-based accident analysis models including Swiss cheese model, AcciMap, HFACS, FRAM and STAMP were briefly introduced, which can be used in systematic accidents investigations. Finally, this study proposed a procedure for establishing preventive measures of accidents, which was composed of two steps: public inquiry and devising preventive measures. Conclusion: A new approach considering how safety-critical components such as technical and social elements, and their interactions lead to accidents is needed for preventing reoccurrence of similar accidents in complex socio-technical systems. Application: The results would be used as a reference or guideline when the safety relevant governmental organizations investigate accidents.

• 한국항해항만학회지
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• 제41권5호
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• pp.303-318
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• 2017

In the shipping industry, it is well known that around 80 % or more of all marine accidents are caused fully or at least in part by human error. In this regard, the International Maritime Organization (IMO) stated that the study of human factors would be important for improving maritime safety. Consequently, the IMO adopted the Casualty Investigation Code, including guidelines to assist investigators in the implementation of the Code, to prevent similar accidents occurring again in the future. In this paper, a process of the human factors investigation is proposed to provide investigators with a guide for determining the occurrence sequence of marine accidents, to identify and classify human error-inducing underlying factors, and to develop safety actions that can manage the risk of marine accidents. Also, an application of these investigation procedures to a collision accident is provided as a case study This is done to verify the applicability of the proposed human factors investigation procedures. The proposed human factors investigation process provides a systematic approach and consists of 3 steps: 'Step 1: collect data & determine occurrence sequence' using the SHEL model and the cognitive process model; 'Step 2: identify and classify underlying human factors' using the Maritime-Human Factor Analysis and Classification System (M-HFACS) model; and 'Step 3: develop safety actions,' using the causal chains. The case study shows that the proposed human factors investigation process is capable of identifying the underlying factors and indeveloping safety actions to prevent similar accidents from occurring.

• 한국지반공학회:학술대회논문집
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• 한국지반공학회 2005년도 지반공학 공동 학술발표회
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• pp.550-555
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• 2005

In vicinity of Seoul, there has been water service tunnel that classified into 1st grade facility by special act for the safety control of public structures and with providing capacity equals to $1,543{\times}10^3$(ton/day) and inner pressure equals to $2.5-3.5kg/cm^2$. In this research, site investigation and stability analysis for water tunnel caused by new construction of road tunnel were carried out. the ground near water tunnel were zoned into spatial area having similar geotechnical characteristics and estimating geotechnical properties for each area. The site for analysis consists of banded biotite gneiss, biotite schist and granite gneiss with spatial non-homogeneity, and for that reason weathering and fault zone were distributed with large scale. It's important thing to consider spatial ground zone and their geotechnical properties properly into stability analysis at design and construction stage. Also, using results of site investigation, stability of existing tunnel have been analyzed for Hydraulic Fracture/Jacking and deformation in detail.

• 해양환경안전학회:학술대회논문집
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• 해양환경안전학회 2017년도 추계학술발표회
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• pp.79-79
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• 2017

• Industrial Engineering and Management Systems
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• 제12권2호
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• pp.130-142
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• 2013

Social Networking Service (SNS) is prevailing rapidly in Japan in recent years. The most popular ones are Facebook, mixi, and Twitter, which are utilized in various fields of life together with the convenient tool such as smart-phone. In this work, a questionnaire investigation is carried out in order to clarify the current usage condition, issues and desired functions. More than 1,000 samples are gathered. Bayesian network is utilized for this analysis. After conducting the sensitivity analysis, useful results are obtained. Differences in usage objectives and SNS sites are made clear by the attributes and preference of SNS users. They can be utilized effectively for marketing by clarifying the target customer through the sensitivity analysis.

• 분석과학
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• 제18권5호
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• pp.444-451
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• 2005

참기름에서 스테롤류와 지방산을 간편하고 정확하게 추출하는 방법을 개발하였다. 새로운 방법은 특히 세사민의 추출 효율을 크게 향상하여 세사민과 캄파스테롤의 비율을 크게 향상시켜 감정의 도구로 응용이 가능할 것으로 판단되었다. 또 기타 스테롤류도 확인하였다. 유도체화를 진행시키면 지방산과 스테롤류의 동시 분석이 가능하였으나, 감정의 도구로는 더 많은 실험이 필요할 것으로 판단되었다.