• Title, Summary, Keyword: occupational safety and health

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A study on the establishment of the criteria for selection of Hazardous substances requiring management in Occupational Safety and Health Act (산업안전보건법상 관리대상 유해물질 선정기준 마련에 관한 연구)

  • Park, Eun Woo;Park, Jun Ho;Lee, Kwon Seob;Hong, Mun Ki;Ahn, Byung Jun;Lee, Eun Jung
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.24 no.4
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    • pp.425-435
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    • 2014
  • Objectives: This study was performed in order to establish reliable and relative selection criteria for hazardous substances requiring management(HSRM) in the Occupational Safety and Health Act in Korea. Methods: To determine the relative criteria and weight of evidence for HSRM, we analyzed the difference between the selection method of priority substances in studies by KOSHA(Korea Occupational Safety and Health Agency) and the European Union Risk Ranking Method(EURAM). In addition, 597 hazardous substances with exposure limit valueswereanalyzed and the posted health hazards classification by MOEL(Ministry of Employee and Labor), MOE(Ministry of Environment), and EU CLP(Classification, Labelling and Packaging regulation) were compared based on GHS(Globally Harmonized System of classification and labelling of chemicals) criteria. The existing HSRM(167 substances) were evaluated for suitability by the proposed criteria in this study. Results: As a result of this study, the criteria and procedures for selecting HSRM in the Occupational Safety and Health Act were arranged utilizing GHS health hazard classification results, occupational disease cases and domestic use situations. Conclusions: The applicability of the proposed criteria was proved via the evaluation of existing HSRM(167 substances). Most HSRM (161 substances) were found to correspond to a significant health effect or substantial health effect. The question of whether to include the six substances that have been found to have general health effects as HSRM would be require further research.

Cases Series of Malignant Lymphohematopoietic Disorder in Korean Semiconductor Industry

  • Kim, Eun-A;Lee, Hye-Eun;Ryu, Hyung-Woo;Park, Seung-Hyun;Kang, Seong-Kyu
    • Safety and Health at Work
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    • v.2 no.2
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    • pp.122-134
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    • 2011
  • Objectives: Seven cases of malignant lymphohematopoietic (LHP) disorder were claimed to have developed from occupational exposure at two plants of a semiconductor company from 2007 to 2010. This study evaluated the possibility of exposure to carcinogenic agents for the cases. Methods: Clinical courses were reviewed with assessing possible exposure to carcinogenic agents related to LHP cancers. Chemicals used at six major semiconductor companies in Korea were reviewed. Airborne monitoring for chemicals, including benzene, was conducted and the ionizing radiation dose was measured from 2008 to 2010. Results: The latency of seven cases (five leukemiae, a Non-Hodgkin's lymphoma, and an aplastic anemia) ranged from 16 months to 15 years and 5 months. Most chemical measurements were at levels of less than 10% of the Korean Occupational Exposure Limit value. No carcinogens related to LHP cancers were used or detected. Complete-shielded radiation-generating devices were used, but the ionizing radiation doses were 0.20-0.22 uSv/hr (background level: 0.21 ${\mu}Sv/hr$). Airborne benzene was detected at 0.31 ppb when the detection limit was lowered as low as possible. Ethylene oxide and formaldehyde were not found in the cases' processes, while these two were determined to be among the 263 chemicals in the list that was used at the six semiconductor companies at levels lower than 0.1%. Exposures occurring before 2002 could not be assessed because of the lack of information. Conclusion: Considering the possibility of exposure to carcinogenic agents, we could not find any convincing evidence for occupational exposure in all investigated cases. However, further study is needed because the semiconductor industry is a newly developing one.

Awareness and Opinion of Occupational Health Manager on the Deregulation of Occupational Safety and Health (산업안전보건 규제완화에 대한 보건관리자의 인지도 및 보건관리자의 평가)

  • Park, Soo-Man;Jung, Hye-Sun;Lee, Bok-Im
    • Journal of Korean Academy of Community Health Nursing
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    • v.14 no.1
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    • pp.83-94
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    • 2003
  • The purpose of this study is to analysis the awareness and opinion of occupational health managers on the deregulation of occupational safety and health. The data were collected by using constructed questionnaires from December 1 to December 20, 2000. The subjects for this study were 107 respondents. The results were as follows ; 1. The highest awareness score was voluntary employment for occupational health doctor. High awareness score was exemption from obligatory education for occupational health manager, and expansion cover range of group occupational health agencies. 2. Most of the occupational health managers had a negative opinion on the deregulation of occupational safety and health. In particular, one of the most negative opinions was no restrictions on occupational health managers holding other jobs. 3. The correlation between awareness and opinion on the deregulation of occupational safety and health was negative, showing that the negative opinion on the deregulation of occupational safety and health tended to increases as awareness increases.

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Analysis and hazard classification for the monomers in thermoplastic resins (열가소성 수지의 단량체 분석 및 유해성 분류)

  • Lee, Kwon Seob;Jo, Ji-Hun;Choi, Jin hee;Choi, Sung bong;Lee, Jong Han;Yang, Jeong Sun
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.17 no.4
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    • pp.322-334
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    • 2007
  • This study covers the investigation of the actual condition in the workplace to produce plastics products using synthetic resins and the investigation on the trends amount of the domestic production of thermoplastic resins. To analyze the monomers included in thermoplastic resins frequently used in the workplace, we analyzed thermal characteristics for test compounds using thermogravimetric analysis and did the qualitative analysis using Pyrolyzer GC-MSD & TDS GC-MSD. And then we classified the health hazard of monomers based on GHS classification criteria using information toxicity & carcinogenicity. The number of the workplace to produce plastics products among all domestic manufacturers of 73,884 was 4,391 (5.94%). The number of workers to produce plastics products among all workers of 2,522,750 in all domestic manufacturers was 104,971 (4.16%). The amount of production per year for thermoplastic resins is in the order of PP, HDPE, LDPE, PVC, ABS, PS and such compounds was producing over 1 Million ton per year each. The classification result based on GHS classification criteria for 22 main compounds included thermoplastic resins says 2 compounds of acrylonitrile, naphthalene are in Acute oral category 3 and benzene is in Acute dermal category 1. The classification results of health hazard of carcinogenicity based on IARC & ACGIH carcinogen classification says 2 compounds of benzene, vinyl chloride are in category 1A (known to be human carcinogens).

The Effect of Occupational Safety and health Expenses on Safety Accident Prevention in Construction (산업안전보건관리비가 건설재해예방에 미치는 영향)

  • Jeong, Myeong-Jin;Lee, Myeong-Gu;Kim, Hyung-Seok
    • Journal of the Korea Safety Management and Science
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    • v.12 no.4
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    • pp.13-21
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    • 2010
  • The occupational safety and health expenses in construction since 1988 has contributed significantly to the reduction of injury occurrence rate. But accounted basis and criteria used of the occupational safety and health expenses have been pointed out so many issues. The purpose of this study, perform analysis of the effectiveness of the occupational safety and health expenses through the reviewing of several issues about the current system and analysis of existing statistical data. Based on the result of the research, it is concluded that the contribution survey of the occupational safety and health expenses on the safety accident prevention program qualitatively evaluated as an average of 4.39(standard deviatin 0.652) on the five point scale based was very positive.

Toxicological Evaluations of Rare Earths and Their Health Impacts to Workers: A Literature Review

  • Rim, Kyung Taek;Koo, Kwon Ho;Park, Jung Sun
    • Safety and Health at Work
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    • v.4 no.1
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    • pp.12-26
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    • 2013
  • In concert with the development of new materials in the last decade, the need for toxicological studies of these materials has been increasing. These new materials include a group of rare earths (RE). The use of RE nanotechnology is being considered in some green applications, to increase their efficiency by using nano-sized RE compounds, and therefore hazard evaluation and risk assessment are highly recommended. This review was conducted through an extensive contemplation of the literatures in toxicology with in vitro and in vivo studies. Major aspects reviewed were the toxicological evaluations of these elements and metallic compounds at the molecular and cellular level, animal and human epidemiological studies and environmental and occupational health impacts on workers. We also discuss the future prospect of industries with appliances using RE together with the significance of preventive efforts for workers' health. To establish a safe and healthy working environment for RE industries, the use of biomarkers is increasing to provide sustainable measure, due to demand for information about the health risks from unfavorable exposures. Given the recent toxicological results on the exposure of cells, animals and workers to RE compounds, it is important to review the toxicological studies to improve the current understanding of the RE compounds in the field of occupational health. This will help to establish a sustainable, safe and healthy working environment for RE industries.

Creating a Culture of Prevention in Occupational Safety and Health Practice

  • Kim, Yangho;Park, Jungsun;Park, Mijin
    • Safety and Health at Work
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    • v.7 no.2
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    • pp.89-96
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    • 2016
  • The incidence of occupational injuries and diseases associated with industrialization has declined markedly following developments in science and technology, such as engineering controls, protective equipment, safer machinery and processes, and greater adherence to regulations and labor inspections. Although the introduction of health and safety management systems has further decreased the incidence of occupational injuries and diseases, these systems are not effective unless accompanied by a positive safety culture in the workplace. The characteristics of work in the $21^{st}$ century have given rise to new issues related to workers' health, such as new types of work-related disorders, noncommunicable diseases, and inequality in the availability of occupational health services. Overcoming these new and emerging issues requires a culture of prevention at the national level. The present paper addresses: (1) how to change safety cultures in both theory and practice at the level of the workplace; and (2) the role of prevention culture at the national level.

A Study on the Recommendation of the Candidate Substances and Methods for an Additional Designation of Special Management Materials in Occupational Safety and Health Act(OSHA) (산업안전보건법 특별관리물질의 추가 지정방법 및 후보물질 권고에 관한 연구)

  • Lee, Kwon Seob;Hong, Mun Ki;Lee, Hye Jin;Byeon, Sang-Hoon;Park, Jung Sun
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.24 no.1
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    • pp.91-102
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    • 2014
  • Objectives: This study was performed in order to devise a procedure for supplementing the Special Management Materials in the Occupational Safety and Health Act and recommend candidate materials. The results are expected to be used as fundamental data for classification and criteria necessary to manage Special Management Materials in workplaces. Also, they are expected to be used as a basis for selecting target materials to nominate as additional Special Management Material. Methods: We investigated the selection standards for candidates and review ranges of data sources to nominate Special Management Materials. The substances classified as GHS(Globally Harmonized System of classification and labeling of chemicals) category 1A(known to have carcinogenic potential and reproductive toxicity for humans) or 1B(presumed to have carcinogenic potential and reproductive toxicity for humans) carcinogens and reproductive toxicants among the Controlled Hazardous Substances of the Regulation on Occupational Safety and Health Standards and substances with OELs(Occupational Exposure Limits) were inspected as the candidates for Special Management Materials. Conclusions: A seven-step procedure for selecting candidates to designate as Special Management Materials was suggested, including the setting of target chemicals for evaluation, classification of CMR(Carcinogens, Mutagens or Reproductive toxicants) by GHS classification and criteria, suggestion and selection of the candidates, and more. This study recommends 58 chemicals as qualified candidates to supplement the Special Management Materials.

Typology of ROII Patterns on Cluster Analysis in Korean Enterprises

  • Kim, Young Sun;Kwon, Oh Jun;Kim, Ki Sik;Rhee, Kyung Yong
    • Safety and Health at Work
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    • v.3 no.4
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    • pp.278-286
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    • 2012
  • Objectives: Authors investigated the pattern of the rate of occupational injuries and illnesses (ROII) at the level of enterprises in order to build a network for exchange of experience and knowledge, which would contribute to workers' safety and health through safety climate of workplace. Methods: Occupational accidents were analyzed at the manufacturing work site unit. A two step clustering process for the past patterns regarding the ROII from 2001 to 2009 was investigated. The ROII patterns were categorized based on regression analysis and the patterns were further divided according to the subtle changes with Mahalanobis distance and Ward's linkage. Results: The first clustering of ROII through regression analysis showed 5 different functions; 29 work sites of the linear function, 50 sites of the quadratic function, 95 sites of the logarithm function, 62 sites of the exponential function, and 54 sites of the sine function. Fourteen clusters were created in the second clustering. There were 3 clusters in each function categorized in the first clustering except for sine function. Each cluster consisted of the work sites with similar ROII patterns, which had unique characteristics. Conclusion: The five different patterns of ROII suggest that tailored management activities should be applied to every work site. Based on these differences, the authors selected exemplary work sites and built a network to help the work sites to share information on safety climate and accident prevention measures. The causes of different patterns of ROII, building network and evaluation of this management model should be evaluated as future researches.

A study on the implementation of UN SAICM in the occupational safety and health (산업안전보건 분야의 UN 국제적 화학물질관리에 대한 전략적 접근(SAICM) 이행에 관한 연구)

  • Lee, Kwon-Seob;Lee, Hye-Jin;Lee, Jong-Han;Yang, Jeong-Sun
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.20 no.4
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    • pp.282-294
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    • 2010
  • The purpose of SAICM (Strategic Approach to International Chemicals Management) is to minimize the health and environmental hazards from the production and the consumption of chemicals by improving the chemicals management capability of developing countries and implementing a system of the risk assessment and the management based on the precautionary principle until 2020. To achieve this purpose, the UN has prescribed the principles, objectives and establishment of an action plan for the chemicals management strategy which must be carried out at international, local, and national levels, and requested the implementation of the Global Plan of Action (GPA) comprising of 273 recommendations in 36 work areas. SAICM is currently based on voluntary participation, but is expected to become the basic framework of international order in relation to chemicals management in the future. This study aims to analyze the practice in the occupational safety and health area relating to implement 273 recommendations of the GPA, and propose complementary measures for the system in order to provide political advices for establishing future plans to manage industrial chemicals. Twenty three areas of total 36 work areas and 161 items of 273 recommendations have relevance to occupational safety and health areas. We have found that, as a national implementation level, 157 of 161 industrial safety and health items are being implemented at a satisfactory level in regard to the implementation of the GPA, while 4 items, including the ratification of the ILO Conventions 170, 174, 184, and support for GHS (Globally Harmonized System of Classification and Labeling of chemicals) implementation of developing countries, require additional complementary measures for the system and operation.