• Korean Journal of Weed Science
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• v.13 no.4
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• pp.195-202
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• 1993

The benefits of pesticides in improving the food quantity and quality requirements for an increasing world population are significant, and they can be described in agronomic, economic and social terms. The risks are assessed from the hazards which are likely to occur in practice ; the hazards are defined by the toxicity of the pesticide to non-target organisms at various exposure levels. There are ways of reducing the risks (mainly by reducing exposure in practice) and improving the benefits of pesticides ; these are known as risk management and benefit management respectively. The overall risk-benefit assessment is facilitated if each component can be expressed in financial terms, but it must be made nationally or locally on a sound technical basis against the prevailing agronomic, socio-economic and political circumstances. Paraquat is used to illustrate the risk-benefit assessment process in general terms, and the conclusion is that the benefits greatly outweigh the risks. It is important to keep the risks of pesticides in perspective with those associated with other naturally occurring chemicals in our diet and with other everyday aspects of life. In an overall context, the pesticide risk is small.

• Environmental Mutagens and Carcinogens
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• v.19 no.2
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• pp.95-101
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• 1999

Risk Assessment is an important area in toxicology and the methodology for risk assessment has been developed. Mathematical models used for risk assessment include one-hit multi-hit, two-stage, probit logistic, multistage, and linearized multistage models. For the assessment of exposure dose, environmental monitoring has been applied, but it has limitation to accurately assess exposure level because the levels in the air, water, foods, and soil may vary depending on time of sampling. In addition, humans can be exposed to various sources of exposure and thus it will be impossible to estimate the total level of exposure in humans by environmental monitoring. To eliminate the limitation of environmental monitoring, a direct measurement of toxic materials or modified biomolecules (called biomarkers) associated with the exposure of toxic materials is needed. Here, scientific basis of biomarkers and future direction have been considered for the assessment of carcinogen exposure and cancer risk in humans.

• Journal of the Society of Disaster Information
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• v.5 no.2
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• pp.140-152
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• 2009

Recently the occurrence ratio of mechanical accidents in industrial disaster of korea is increased, but very little accident information has been given regarding the prevention of mechanical accidents. In this study, mechanical accidents by the analysis of industrial accident case was examined. And it was proposed the risk assessment method and building database for investigation of risk factors in mechanical accident. As a result, from mechanical accidents database, it was found that the occurrence ratio of mechanical accident by constriction and falling etc. is very high and death ratio by mechanical accident is larger than that of usual accident. And we applied the quantitative risk assessment method proposed by this study in the mechanical accident analysis of a domestic manufacturer. From the results, the risk factors due to constriction, curling, falling and scattering are principal causes of mechanical accidents. These result is similar to that of the analysis of mechanical accidents for recent 12 years in korea.

• Fire Science and Engineering
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• v.11 no.1
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• pp.11-19
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• 1997

The paper review of the methods used to present in a quantitative way of risk to the public in the vicinity of hazardous operation within urban area. The study concentrated on the calculation, presentation and interpretation of societal risk where multiple concerned population at large. It is also compared the way to use of risk criterias in various countries where the different population density concerned. It is recommended societal risk criteria need to be vastly apply to the exposed population.

• Journal of the Korean Society of Safety
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• v.15 no.1
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• pp.161-166
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• 2000

Regulators often specify default values that are considered acceptable for use in risk analyses as input to regulatory decisions. Because both performing and validating a detailed risk analysis of a complex system are costly and time-consuming undertakings, the use of default values can greatly facilitate the process of performing a risk analysis in the first place as well as the process of reviewing and verifying the risk analysis. It may also ensure more uniform in quality of risk analyses. However, different regulatory agencies differ in their approaches to the use of default values, and the implications of these differences are not yet widely understood. Moreover, large heterogeneity among licensees makes it difficult to set suitable defaults. This paper focuses on the effect of default values on estimates of risk. Some insights on the effects of different levels of conservatism in setting defaults will be provided. The results can help decision makers evaluate the levels of safety likely to result from their regulatory policies.

• Journal of the Korea Safety Management & Science
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• v.9 no.1
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• pp.23-35
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• 2007

Present time there are many risk analysis method in the world. A hazard is an exposure that has the potential to induce and adverse event. Risk is the probability of an adverse event given exposure to hazard. The evaluation of scientific information on the hazardous properties of environmental agents and the extent of exposure to these agents. But operation risk analysis method is not enough for manufacturing industry even if it is existence, it will be separated to improve Safety. In this paper, I will develop the AHP Weighted operation risk analysis method to improve Safety.

• Journal of the Korean Society of Safety
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• v.24 no.6
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• pp.124-131
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• 2009

In any form of construction work, it is essential that accidents be prevented at every stage, from foundation preparation to build completion. For this, it is necessary to use models that can assess risk and provide instructions for safe work processes so that the risk of accidents is reduced. Currently, however, very few models can perform these tasks. In this paper, we present a model that assesses risk quantitatively by analyzing the risk factors involved in each stage of construction, such as foundation work, temporary work, structural work, equipment work, and finishing work. The model performs assessment based on examples of accidents and by investigating actual conditions during construction. In addition, we present in this paper a safety management system developed to assess risk during construction and to effectively train laborers.

• International conference on construction engineering and project management
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• 2009.05a
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• pp.990-994
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• 2009

With the world in financial recession, the general trend of global trade is declining. As a result, the world leading shipbuilding industries are confronted with an even more difficult task of mitigating various risks associated with the industries. How well the three shipbuilding industries, Japan, Korea and China, can adapt and manage the risks will be crucial. As the youngest of the top three, the Chinese industry faces greater risks. As it happens to share many factors with that of South Korea in 2004-2005, it is necessary to review and evaluate the risk management plan used by South Korea. This paper presents an evaluation of the risk management plan for shipbuilding industry in South Korea during 2004-2005, considering the financial and political environments at that time. This will help us to structure a plan of risk management for the future.

• Journal of the Korean Society of Clothing and Textiles
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• v.31 no.12
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• pp.1733-1741
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• 2007

Consumers nowadays spend more time using computers and are getting used to buying products through the Internet(Park, 2002), and therefore, understanding consumers' impulse buying behavior in an online shopping context is also important for retailers. The purpose of this study was to examine the relationship between online apparel impulse buying behavior and the two risk dimensions of apparel involvement(i.e., risk importance, risk probability). The data were collected using an online survey with a structured questionnaire. A total of 339 college students were used in the study. The results of MANOVA showed that the impulse buyer group perceived the risk importance and risk probability of apparel involvement significantly lower. Based on the results, the two hypotheses were supported. From the results of the present study, it is concluded that the two risk dimensions of apparel involvement are negatively related to online impulse buying behavior of apparel products. From the results of the present study, it is concluded that the risk dimensions of apparel involvement are closely related to the online apparel impulse buying behavior.

• Journal of Korean Society for Quality Management
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• v.41 no.4
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• pp.623-635
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• 2013

Purpose: The recent major recalls of hazardous products caused consumer product safety acts to be strengthen worldwide. Although the recall system of hazardous products in Korea has been operating based on Framework Act on Product Safety since 2011, the evaluation of product risk has been relied on not the results of objective incident data but the results of illegal product investigations. The purpose of this paper is to propose a product risk assessment model for Korea using injury data. Methods: The authors derived Korea's risk assessment method by analysing the advantages and disadvantages of the most widely used models in advanced countries such as EU's RAPEX RAG and Janpan's R-MAP. In this study, the level of relative frequency and severity of injury are determined based on the objective incident data and the length of hospitalization respectively. In addition, the injury data occurred during 2011 is applied to the proposed risk assessment model for case study. Results: The data analysed in this paper can be classified as high risk, medium risk, low risk, acceptable risk, and safe products through the matrix f rom the combination of the relative frequency and the severity derived. Conclusion: The proposed risk assessment model in this study has advantage obtaining reliable objective results because it uses actual injury data and redeems the drawbacks of the existing models used in advanced countries. Furthermore, because the proposed model shows the high risk products among many, it is expected to be useful especially for customs whose main job is inspecting the imported goods and the government when selecting the target product groups for safety investigation.