• Title/Summary/Keyword: Hazardous Movements

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Construction Workers' Occupational Risk of On-Site Travelling Activities (건설공사 근로자의 현장내 이동작업시 발생하는 재해위험도)

  • Yi Kyoo-Jin
    • Korean Journal of Construction Engineering and Management
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    • v.6 no.3 s.25
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    • pp.120-127
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    • 2005
  • This study examines the occurrence of accidents when workers were travelling on construction sites and the differences in risk involved in each occupation. An analysis of 750 fatal accident reports found that in 138 cases, the fatality occurred when the workers were travelling on site. The 138 cases were then divided according to occupation and were then examined to determine how the workers in each occupation had been affected by various hazardous situations. There were significant differences in accident occurrence between the occupations and in the various hazardous situations. The results imply that the cultural aspect of each occupation leads to a substantial difference in the possibility of fatal injuries or death and that such differences in risk should be taken into account when planning the workers' movements on site. The findings of this study aim to help workers to understand the risks entailed when travelling on site and also to assist managers in the planning of workers, movements on construction sites.

Neurobiochemical Analysis of Abnormal Fish Behavior Caused by Copper Toxicity

  • Shin, Sung-Woo;Cho, Hyun-Duk;Chon, Tae-Soo;Kim, Jong-Sang;Lee, Sung-Kyu;Koh, Sung-Cheol
    • Proceedings of the Korea Society of Environmental Toocicology Conference
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    • 2003.05a
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    • pp.156-157
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    • 2003
  • The goal of this study is to develop a biomarker used in monitoring abnormal behaviors of Japanese medaka (Oryzias latipes) as a model organism caused by hazardous chemicals. Japanese medaka was treated under appropriate sublethal concentrations of copper and the fish were subjected to copper treatment after starvation for 48 hr. The untreated individuals showed common behavioral characteristics (i.e., smooth and linear movements with small curvatures) in the movement behaviors.

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Analysis of regulatory action for environmental protection in International Commerce (국제교역에 있어 환경보호를 위한 규제조치의 내용 분석)

  • Lee, Jae-Young
    • International Commerce and Information Review
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    • v.11 no.1
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    • pp.379-403
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    • 2009
  • The Purpose of this study is to research the problems of trade restriction for an environment protection. Environmental regulation relate to trade are Convention on International Trade in Endangered Species of Wild Fauna & Flora, Montreal Protocol on Substances that Deplete the Ozone Layer, Kyoto Protocol to the UN Framework Convention on Climate Change, Basel Convention on the Control of Transboundary Movements of Hazardous Wastes & Their Disposal, Cartagena Protocol on Biosafty and WTO Agreement. Regulatory action for environmental protection has economics instrument, command & control, liablity, damage compensation, voluntary agreement. In the case of our country, impact of regulatory action for environmental protection is low. Because is recognized position of developing country yet. For in the balance rules of trade and enviroment, First must satisfy WTO's basic principles and principle of quantitative restrictions prohibition, Second, operation of protection action must reasonable and objective standards Third, must satisfy GATT article 20 (b) clause and (g) protestation each essential factor To grow for environment advanced country, we should do i) using of FTA ii) international cooperation strengthening for developing country position iii) construction of environment information network

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Developing the Installation Guideline of Building Monitoring Systems for Hazardous Symptom Measurements with Visual Perception (시지각적 요소를 갖춘 건축물 위험징후 측정 모니터링 시스템 설치 가이드라인 개발연구)

  • Kim, Heejae;Kim, Geunyoung;Shin, Jungjae
    • Journal of the Society of Disaster Information
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    • v.16 no.2
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    • pp.374-382
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    • 2020
  • Purpose: Recently, structural defects in old safety management facilities have led to the collapse of buildings and facilities. The purpose of this study is to develop guidelines for the installation of regular monitoring systems that determine the optimal sensor location for monitoring exhibition space building sensors equipped with visual elements in order to analyze the risk signs of exhibition space buildings and develop measurement technology. Method: The components, installation locations, alarm criteria, and management measures of the instrument are presented. Result: A measure was proposed to determine the location of sensors, secure signal processing technology for analysis by having unified visual perception, and configure optimal 'risk sign detection' based on sensor monitoring through test-bed operation. Conclusion: The results of this study can be prepared against the disasters that may arise from the collapse of exhibition buildings, and contribute to strengthening safety management capabilities.

Characteristics of Work-related Musculoskeletal Disorders Compensated by the Industrial Accident Compensation Insurance in Shipbuilding Industry (조선업에서 산업재해로 인정된 근골격계질환의 특성)

  • Kim, Sang Woo;Shin, Yong Chul;Kang, Dongmug
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.15 no.2
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    • pp.114-123
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    • 2005
  • We analyzed the demographic and job features of 197 shipyard workers with work-related musculoskeletal disorders(WMSDs) compensated by the Industrial Accident Compensation Insurance Act, and the features of the disorders, the causes of operation and the induced behaviors. The three shipbuilding companies surveyed were located in Busan Metropolitan city and Gyungsangnam-do. The results were as follows. 1. The ages of WMSDs patients in shipyard were $43.6{\pm}8.6$ and the job tenure was $14.3{\pm}5.6$. The 40's of them was 40.1%, and the 30's was 29.4%. Patients less than 5 year-work duration were 85.3%, and ones more than 16 year-work duration 6.6%. In occupations, welders were 32.5%, pre-welders 17.3%, and setting engineers 6.6%. 2. The causes of WMSDs in shipyard were works(95.4%) and outer crash or accident shock (3.6%). Based on the standard of the NIOSH induced behaviors, the causes were awkward posture (62.9%), excessive movement(19.3%) and repetitive movement(13.7%). 3. The compensated WMSDs by body part was the highest, 36%, in the spines, 32.0% in both the upper limbs and the spines, and 14% in the upper limbs. The number of cases of WMSDs in body were 96 in the cervical, 79 in the lumbar and 72 in the shoulders. 4. As a result of chi-square test(${\chi}^2$) between diagnosis and operation in body, welding and spot welding had the most diagnoses in all parts of the body among other occupations. Chi-square test(${\chi}^2$) between diagnosis and induced behavior in body showed that awkward postures recorded the highest rate and repetitive movements was the second. 5. The most hazardous occupation was the welding(incidence rate=9.7) and the most hazardous behavior was the awkward posture.

Development of a Real-Time Video Image Tracking Algorithm for Incident Detection

  • Oh, Ju-Taek;Min, Joon-Young;Heo, Byung-Do;Kim, Myung-Seob
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.7 no.4
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    • pp.49-60
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    • 2008
  • The current VIPS are not effective in safety point of view, because they are originally developed for mimicking loop detectors. Therefore, it is important to identify vehicle trajectories in real time, because recognizing vehicle movements over a detection zone enables to identify which situations are hazardous, and what causes them to be hazardous. In order to improve limited safety functions of the current VIPS, this research has developed a computer vision system of monitoring individual vehicle trajectories based on image processing, and offer the detailed information, for example, incident detection and conflict as well as traffic information via tracking image detectors. This system is capable of recognizing individual vehicle maneuvers and increasing the effectiveness of various traffic situations. Experiments were conducted for measuring the cases of incident detection and abnormal vehicle trajectory with rapid lane change.

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A Legal Analysis on the Liability and Redress Regime under the Cartagena Protocol on Biosafety (바이오안전성의정서에서의 책임복구체제에 관한 법적 고찰)

  • Lee, Jae-Hyup
    • Journal of Environmental Policy
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    • v.2 no.1
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    • pp.107-135
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    • 2003
  • This study reviews the proposed liability and redress regime under the Cartagena Protocol on Biodiversity. Several core elements for the regime are discussed in comparison with those listed in the 1999 Basel Protocol on Liability and Compensation for Damage resulting from the Transboundary Movements of Hazardous Wastes and their Disposal. These are (1) scope of the rules and procedures; (2) channeling of liability; (3) legal standing; (4) definition of damage; (5) standard of care; (6) ancillary sources of compensation; (7) limitation of liability; (8) financial guarantees; and (9) mutual recognition and enforcement of judgments. Korea has given relatively little attention to the issue of liability and redress in the context of LMOs trade. As the Protocol is expected to enter into force soon, Korea needs to develop appropriate implementing domestic mechanisms for the Biosafety Protocol. Establishing an adequate domestic liability and compensation scheme will be one of the most important mechanisms not only to comply the Protocol but to ensure safety of LMOs in general. A further research is needed on the basis of a comparision of relevant legislations in different countries as well as analysis of current laws related to the accidents arising from LMOs trade, such as product liability laws, food safety laws, liability provisions in some environmental legislations.

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Neurobiochemical Analysis of Abnormal Fish Behavior Caused by Fluoranthene Toxicity (Fluoranthene 독성에 기인하는 비정상적 어류행동의 신경생화학적 분석)

  • 신성우;조현덕;전태수;김정상;이성규;고성철
    • Environmental Analysis Health and Toxicology
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    • v.18 no.2
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    • pp.155-163
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    • 2003
  • Fluoranthene, a common polycyclicaromatic hydrocarbon (PAH), exhibits phototoxicity which may affect aquatic organisms. The eventual goal of this study is to develop a biomarker of Japanese medaka (Oryzias latipes) used in monitoring hazardous chemicals in the ecosystem. In this study we investigated neural toxicity of fluoranthene in Japanese medaka (Oryzias latipes) along with comparative analysis of corresponding behavioral response. The untreated individuals shooed normal behavioral characteristics (i. e., smooth and linear movements). The treated fish, however, showed stopping and abrupt change of orientation (100 ppb), and severely reduced locomotive activity and enhanced surfacing activity (1,000 ppb). Treatment of the medaka fish with fluoranthene caused a significant suppresson of acetycholine esterase (AChE) activities in the body portion but not in the head portion. When fish were exposed to 1,000 ppb of fluoranthene for 24 hr, the body AChE activities decreased from 126.${\pm}$31.89 (nmoles substrate hydrolyzed per min per mg protein) to 49.51${\pm}$11.99. Expressions of tyrosine hydroxylase (TH) protein in the different organs from both head and body portions were comparatively analyzed using an immunohistochemical technique. Five organs of the medaka fish showing a strong TH protein expression were the olfactory bulb, hypothalamus, optic lobe, pons and myelencephalon regions. This study provides molecular and neurobehavioral bases of a biomonitoring system for toxic chemicals using fish as a model organism.

Neurobiochemical Analysis of Abnormal Fish Behavior Caused by Copper and Fluoranthene Toxicity

  • Shin, Sung-Woo;Cho, Hyun-Duk;Chon, Tae-Soo;Kim, Jong-Sang;Lee, Sung-Kyu;Koh, Sung-Cheol
    • Proceedings of the Korea Society of Environmental Toocicology Conference
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    • 2003.10a
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    • pp.23-24
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    • 2003
  • The goal of this study is to develop a biomarker used in monitoring abnormal behaviors of Japanese medaka (Oryzias latipes) as a model organism caused by hazardous chemicals. Japanese medaka was treated by copper and fluoranthene of appropriate sublethal concentrations after starvation for 48 hr. In this study we investigated neural toxicity of copper and fluoranthene in Japanese medaka (Oryzias latipes) along with comparative analysis of corresponding behavioral responses. The untreated individuals showed common behavioral characteristics (i.e., smooth and linear movements). Locomotive activity of the fish was monitored using an image processing and automatic data acquisition system. When treated with copper (100 ppb), the fish showed shaking patterns more frequently. As the concentration of copper increased to 1,000 ppb, activity decreased, and the fish showed an erratic movement. The treated with fluoranthene, however, showed stopping and abrupt change of orientation (100 ppb), and severely reduced locomotive activity and enhanced surfacing activity (1,000 ppb).

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Neurobiochemical Analysis of Abnormal Fish Behavior Caused by Copper Toxicity (구리 독성에 기인하는 비정상적인 어류행동의 신경생화학적 분석)

  • 신성우;조현덕;전태수;김정상;이성규;고성철
    • Environmental Analysis Health and Toxicology
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    • v.18 no.2
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    • pp.145-153
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    • 2003
  • The goal of this study is to develop a biomarker used in monitoring abnormal behaviors of Japanese medaka (Oryzias latipes) as a model organism caused by hazardous chemicals. Japanese medaka was treated by copper of appropriate sublethal concentrations after starvation for 48 hr. The untreated individuals showed common behavioral characteristics (i.e. , smooth and linear movements). Locomotive activity of the fish was monitored using an image processing and automatic data acquisition system. When treated with copper (100 ppb), the fish showed shaking patterns more frequently. As the concentration of copper increased to 1,000 ppb, activity decreated, and the fish showed an erratic movement. Fish were exposed to copper at various concentrations (0,100 and 1,000 ppb) for 24 hrs, and acetylcholine esterase (AChE) activity was observed. When fish were exposed to 1,000 ppb of copper, the body AChE activities appeared to decrease but the head AChE activities showed little change. Expressions of tyrosine hydroxylase (TH) protein in the different organs from both head (brain) and body (kidney) portions affected by the copper treatment were analyzed using immunohistochemical technique compared with control. Five organs of the fish (olfactory bulb, hyothalamus, optic lobe, pons and myelencephalon regions) showed a relatively strong TH protein expression in the control experiment. A differential expression of TH, however, was observed in the treatment (100 ppb and 1,000 ppb). The treatment (1,000 ppb) significantly suppressed TH protein production in the brain regions. In kidney, however, the same treatment caused little suppression compared with the control. Copper appeared to be less effective in suppression of TH than diazinon, a known TH suppressor. It was concluded that TH could be used at a potential biomarker to monitor the acute copper toxicity in Japanese medaka.