• 제목/요약/키워드: Risk assessment.

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Development of Risk Assessment System for Steel and Iron Works (제철 사업장 적용을 위한 위험성평가 시스템 개발)

  • Hong, Sung-Man;Park, Peom;Sun, Su-Bin
    • Journal of the Korea Safety Management & Science
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    • 제11권4호
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    • pp.7-14
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    • 2009
  • Steel and iron works have place many hazard or risk factor as a high temperature material, a high place, and so on. Accordingly, steel and iron works need system for risk assessment. In this paper, we development of risk assessment system for steel and iron works. In case study applied at the steel enterprise. The resultant, we can discovery that an human factor is an important question form risk assessment.

An Examination of Variation in Risk Assessment Practices in Relation to Assessors' Goals: American and International Practices

  • Park, Lorenz R. mberg
    • Toxicological Research
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    • 제17권
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    • pp.219-225
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    • 2001
  • The basic structure for assessment of potential health risks from environmental chemicals is widely agreed upon, but many of the details of risk assessment procedures differ among practitioners. Government regulatory agencies typically have guidelines or standard procedures for their risk assessments, established to ensure consistency and comparability, to set standards for adequacy, and to embody underlying tenets. In setting and updating such guidelines, each agency takes into account not only the prevailing thinking about appropriate procedures, but also its own goals and responsibilities and the precedents it has set for itself in past analyses. This results in variations in methods, and consequently in characterization of risks, among regulatory assessments, even when they are based on the same data. As a result, adopting existing assessments from a variety of regulatory bodies needs to be done with caution. This paper examines some of the variants in risk assessment approaches among American federal regulatory agencies and relates them to the variations in regulatory responsibilities of those groups. Comparisons to international practices are also drawn. The impact on development of world-wide risk standards is discussed.

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Pesticide Risk and Benefit Assessment

  • Birtley, Robin D.N.
    • Korean Journal of Weed Science
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    • 제13권4호
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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.

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Deriving Ecological Protective Concentration of Cadmium for Korean Soil Environment

  • Lee, Woo-Mi;Nam, Sun-Hwa;An, Youn-Joo
    • Environmental Engineering Research
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    • 제18권4호
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    • pp.241-246
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    • 2013
  • For effective and efficient environmental management, developed countries, such as the Netherlands, UK, Australia, Canada, and United States apply ecological risk assessment, and they have an autonomous risk assessment methodology to protect native receptors. In this study, soil ecological protective concentration (EPC) of cadmium in Korea was derived using Korean ecological risk assessment methodology. The soil EPC of cadmium was calculated using probabilistic ecological risk assessment based on species sensitivity distribution. The soil EPC was calculated according to land use for residential/agricultural and industrial/commercial purposes. The chronic soil EPCs for residential/agricultural and industrial/commercial lands were derived to be 1.58 and 9.60 mg/kg, respectively. These values were similar to soil EPC of European Commission, the Netherlands, UK, and Canada. However, these values were lower than the established Korean soil standard, because the current soil standard was based on human risk. Therefore, the impact on an ecosystem when establishing environmental standard should be considered.

The clinical application of dental caries management based on caries risk assessment and activation strategies (임상가를 위한 특집 3 - 우식위험도 평가에 근거한 치아우식증 관리의 임상적용 사례 및 활성화 방안)

  • Yoon, Hong-Cheol;Choi, Youn-Hee
    • The Journal of the Korean dental association
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    • 제52권8호
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    • pp.472-477
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    • 2014
  • The new paradigm of dentistry require the detection of caries in their earlier stages. To achieve this, a high technology detection device and systematic and organized caries management system are needed. Caries management by risk assessment (CAMBRA) model is representative caries management system that satisfied new paradigm. Dental caries prevention and treatment according to CAMBRA model is patient-centered, risk-based, evidence-based practice. Therefore, individual caries management such as CAMBRA should be performed through accurate assessment of caries disease indicators and comprehensive assessment of caries risk factors and protective factors. Based on the CAMBRA better effectiveness of comprehensive dental caries management including non-surgical treatment will be accomplished.

Need for Reinforcement of Safety Assessment on Genetically Modified Organisms (GMO 안전성평가제도의 고찰)

  • Kim Eun-Jin;Choi Dong-Keun
    • Korean Journal of Organic Agriculture
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    • 제14권2호
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    • pp.139-157
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    • 2006
  • Biotechnology has reached the level of giving birth to new forms of life and with this is a growing controversy in the conflict between science and ethics. Especially, GMOs are closely linked to the food products we consume and thus, the majority of the public shows a very sensitive reaction to the safety of GMO food products. Many perspectives arose surrounding the issues of safety on the human body and the ecology. This outlines diverse structural mechanisms to be set up to ensure safety such as risk assessment, risk management etc. Despite the precautionary principle guaranteed in many ways, the problem arises whether and how this principle can be taken in the safety assessment. GMOs due to its uniqueness do not end with just the possession of the technology involved but must also be considered with the prerequisite that they could be cultured again. Therefore the reinforcement of safety assessment system is necessary. That is, the reinforcement of risk assessment including field tests, the consideration of socio-economic effects, the coordinated system of relevant authorities, the development of technology for safety assessment.

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Exposure Assessment in Risk Assessment

  • Herrick Robert F.
    • 대한예방의학회:학술대회논문집
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    • 대한예방의학회 1994년도 교수 연수회(환경)
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    • pp.426-430
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    • 1994
  • The assessment of exposure is an important component of the risk assessment process. Exposure information is used in risk assessment in at least two ways: 1) in the identification of hazards and the epidemiologic research investigating exposure-response relationships and 2) in the development of population exposure estimates. In both of these cases, the value of a chemical risk assessment is enhanced by improvements in the quality of exposure assessments. The optimum exposure assessment is the direct measurement of population exposure; however, such measurements are rarely available. Recent developments in methods for exposure assessment allow estimates to be made that are valid representations of actual exposure. The use of these exposure estimates to classify exposures correctly enhances the likelihood that causal associations between exposure and response will be correctly identified and that population risks will be accurately assessed.

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Principles of Risk Assessment: Overview of the Risk Assessment Process

  • Doull John
    • 대한예방의학회:학술대회논문집
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    • 대한예방의학회 1994년도 교수 연수회(환경)
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    • pp.402-403
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    • 1994
  • There are three different approaches to chemical risk assessment which will be considered in this paper. The U.S. Environmental Protection Agency(EPA) Cancer Risk Assessment includes some of the approaches used by the International Agency for Research on Cancer (IARC). The Agency for Toxic Substances and Disease Registry (ATSDR) effort is an evaluated database approach similar to that used in the National Institute for Occupational Safety and Health (NIOSH) Criteria Documents and in the documentations prepared by the Occupational Safety and Health Administration (OSHA) for the Permissible Exposure Limits (PELs) and those of the American Conference of Governmental Industrial Hygienists (ACGIH) for the Threshold Limit Values (TLVs). A third approach is used by the Committee on Toxicology.

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