간행물

한국산업보건학회지 update

KOREAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL

  • : 한국산업보건학회 (구 한국산업위생학회)
  • : 의약학분야  >  예방의학및보건학
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  • : 2289-0564
  • : 한국산업위생학회지(~2015) → 한국산업보건학회지(2015~)

수록정보
수록범위 : 1권1호(1991)~30권2호(2020) |수록논문 수 : 1,005
한국산업보건학회지
30권2호(2020년 06월) 수록논문
최근 권호 논문
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KCI등재

1용해도에 따라 노출기준이 다른 금속화합물의 정량방법 고찰

저자 : 박승현 ( Seung-hyun Park ) , 노지원 ( Jiwon Ro ) , 장미연 ( Miyeon Jang )

발행기관 : 한국산업보건학회 (구 한국산업위생학회) 간행물 : 한국산업보건학회지 30권 2호 발행 연도 : 2020 페이지 : pp. 87-98 (12 pages)

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Objective: The purpose of this study was to propose a sequential procedure for the simultaneous analysis of soluble and insoluble metal compounds.
Methods: Methods for sampling and analyzing metal compounds such as ISO standards, NIOSH methods, HSE methods, and OSHA methods were reviewed.
Results: Some metals have different OELs depending on the solubility of the compound. Therefore, we should take into account these characteristics and perform an exposure assessment. Soluble metal compounds are first extracted from the filter, and then the filter is digested by acids to analyze residual insoluble components. The extraction of soluble compounds can be completed by agitation for about 60 minutes with a leach solution (water) in a water bath at 37℃. For the analysis of insoluble compounds, the sample filter and the filtration filter remaining after the extraction of the soluble compounds are analyzed. This allows simultaneous determination of soluble and insoluble metal compounds. For hexavalent chromium compounds, soluble hexavalent chromium can first be extracted from the filter by using sulfate buffer. The insoluble hexavalent chromium remaining in the filter can then be extracted using carbonate buffer.
Conclusion: Workers are often exposed to many hazardous substances with different exposure limits at industrial sites. The OELs for compounds of the same metal can be set differently depending on solubility. This study can help evaluate a worker's exposure to metal compounds by suggesting methods for the simultaneous determination of soluble and insoluble metal compounds.

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2연구 실험실 안전보건 관리제도 비교 - 한국과 독일 사례 고찰

저자 : 박지훈 ( Jihoon Park ) , 성백경 ( Baeckkyoung Sung ) , 마티아스올리버알트마이어 ( Matthias Oliver Altmeyer ) , 김용준 ( Young Jun Kim )

발행기관 : 한국산업보건학회 (구 한국산업위생학회) 간행물 : 한국산업보건학회지 30권 2호 발행 연도 : 2020 페이지 : pp. 99-108 (10 pages)

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Objectives: This study aimed to compare the regulatory systems for laboratory safety and health management between Korea and Germany and discuss the implications.
Methods: Laboratory safety and health regulations for legal enforcement and relevant technical guidelines in Korea and Germany were reviewed.
Results: Lab safety and health management is enforced by the Act on the Establishment of Safe Laboratory Environment in Korea. Most provisions focus on supervisory control, that is, the principal's liability is emphasized. In addition, there is a lack of laboratory-specific procedures for safety and health management in the act since it is stipulated that other relevant regulations apply to some technical contents. Non-compulsory technical guidelines for lab safety and health management are also provided by the Korea Occupational Safety and Health Agency (KOSHA) in order to enable researchers to follow safe procedures. There is no independent regulation for lab safety and health in Germany, and it is also governed by several regulations. The German Social Accident Insurance Institute provides technical guidelines on lab safety and health, and these contain more specific content to allow them to be followed more easily compared to the KOSHA guidelines. The most remarkable differences between the regulation of each country were contents of the risk assessment and specific protect measures from hazardous agents.
Conclusions: Regulatory control is an essential way to prevent accidents, but it is more important to create an environment in which all stakeholders, including individual lab members, are allowed to participate actively in safety and health management activities.

KCI등재

3마스크의 인증기준 비교와 바이러스 여과효율에 대한 고찰

저자 : 윤충식 ( Chungsik Yoon ) , 고슬비 ( Sulbee Go ) , 박지훈 ( Jihoon Park )

발행기관 : 한국산업보건학회 (구 한국산업위생학회) 간행물 : 한국산업보건학회지 30권 2호 발행 연도 : 2020 페이지 : pp. 109-123 (15 pages)

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Objectives: The aims of this study were to review the standards and key components of the standards for disposable masks in Korea, the US, EU, Japan, and China and to evaluate the appropriateness of disposable masks during a virus pandemic.
Methods: We reviewed the standards in the above countries and compared their key elements for each standard. For the second purpose, systemic paper gathering using key words like 'mask', 'respirator' 'virus', and 'coronavirus' in the PubMed search engine was performed. Fifty-three papers were selected and reviewed in regard to the appropriateness of test protocols with sodium chloride(NaCl) particles for virus filtration and the effectiveness against viruses.
Results: The standards for masks are largely divided into two categories: US standards and EU standards. In Korea, the Ministry of Employment and Labor adapted the EU standards for workers and the Health Masks adopted the Ministry of Employment and Labor standards by the Ministry of Food and Drug Safety. Regarding airborne viral infections, WHO emphasizes only droplet infection, while many studies have shown that small particles enter the air through coughing or sneezing, which increases the possibility of airborne infection. Compared to other particles, various factors such as airborne viability and the ability to replicate the virus in the body are further involved in the virus's airborne infection rate. Airborne infection is classified into absolute air infection, preferential air infection, and opportunistic air infection. The NaCl-certified N95 mask showed good filtration efficiency against viruses and NaCl particles were proved to be a surrogate material for viruses. From this, KF94 is also expected to be effective in blocking viruses.
Conclusion: The N95 test method could be used as a surrogate test method for virus filtration. N95-class masks have been found to effectively block viral infections in the air. However, surgical or medical masks are only partially effective against airborne virus infection though they could effectively block large droplet infection. However, most studies considered in this study targeted N95 in foreign countries and studies on masks actually used in Korea are very limited, so studies on microorganisms and reuse on domestic masks should be conducted in the future.

KCI등재

4일개 국내산 의료용 N95 마스크의 밀착도 분석

저자 : 서혜경 ( Hyekyung Seo ) , 강병갑 ( Byoung-kab Kang ) , 권영일 ( Young-il Kwon )

발행기관 : 한국산업보건학회 (구 한국산업위생학회) 간행물 : 한국산업보건학회지 30권 2호 발행 연도 : 2020 페이지 : pp. 124-133 (10 pages)

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Objectives: Mask fit is a crucial factor in preventing respiratory infections among healthcare workers. The current coronavirus(COVID-19) pandemic calls for the replacement of imported N95 medical masks with domestic N95 versions. In this study, we aimed to determine whether these masks provide proper protection.
Methods: Thirty-five participants from three healthcare institutions donned four types of masks and Quantitative Fit Tests(Portacount, USA) were performed. The order of fit test for the four types of masks was randomized, and a three-minute washout period was applied between test times(2 min 29 sec) to reduce potential error stemming from physical exhaustion.
Results: There were no significant differences in the Fit Factor for the four types of masks, and there were no gender differences. However, the Fit Factor significantly differed across the three healthcare institutions (p=0.007). With eight of the 35 participants passing, the pass rate with the criteria of 100 or higher was 21%.
Conclusions: The mask used in this study was a new domestic N95 medical mask, and the participants were unfamiliar with how to wear it. They reported difficulties with mask fitting. In light of a previous finding that mask fit improved with frequently used masks, wearer preferred masks, or when masks that are regularly worn are used during fit training, the fact that participants were unfamiliar with the mask used in this study is a limitation that should not be overlooked.

KCI등재

5건설현장 우레탄 방수작업자의 휘발성 유기화합물 및 톨루엔 디이소시아네이트 노출평가

저자 : 박현희 ( Hyunhee Park ) , 황은송 ( Eunsong Hwang ) , 노지원 ( Jiwon Ro ) , 장광명 ( Kwangmyung Jang ) , 박승현 ( Seunghyun Park ) , 윤충식 ( Chungsik Yoon )

발행기관 : 한국산업보건학회 (구 한국산업위생학회) 간행물 : 한국산업보건학회지 30권 2호 발행 연도 : 2020 페이지 : pp. 134-152 (19 pages)

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Objectives: The objective of this study was to evaluate volatile organic compounds (VOCs) and toluene diisocyanates (TDIs) exposure among polyurethane waterproofing workers in the construction industry.
Methods: Task-based personal air samplings were carried out at seven construction sites using organic vapor monitor for VOCs (n=88) and glass fiber filters coated with 1-(2-pyridyl)piperazine(1-2PP) for TDIs (n=81). The concentration of VOCs and TDIs were shown for four different work types(mixing paint, primer roller painting, urethane resin spread painting, painter assistant) at five different worksites (rooftop, ground parking lot, piloti, bathroom, and swimming pool). The two TDI sampling methods (filter vs impinger) were evaluated in parallel to compare the concentrations.
Results: The geometric mean(GM) concentration of VOCs Exposure Index (EI) was highest for primer roller painting (1.4), followed in order by, urethane resin spread painting (0.85), mixing paint (0.53), and painter assistant (0.35) by work types . The GM of VOCs EI was highest for bathroom (1.4) followed in order by, swimming pool (0.85), piloti (0.89), ground parking lot (0.82) and rooftop (0.57) by worksites. The GM of 2,4-/2,6-TDI concentration was 0.052 ppb and 0.432 ppb each. There was no statistical difference in TDIs concentrations among worksites. The concentration of 2,6-TDI was ten times higher than that of 2,4-TDI. The concentration of 2,6-TDI by impinger method was 5.7 times higher than that by filter method.
Conclusions: In this study, we found 38.6% of the VOCs samples exceeded the occupational exposure limits and 19.8% of the 2,6-TDI samples exceeded 1 ppb among polyurethane waterproofing workers. The most important determinants that increase the concentration of VOCs and TDIs was indoor environment and primer painting work.

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6실제 3D 프린팅 작업장에서 발생하는 공기 중 유기화합물, 금속 및 입자특성 평가

저자 : 김성호 ( Sungho Kim ) , 정은교 ( Eunkyo Chung ) , 김세동 ( Seodong Kim ) , 권지운 ( Jiwoon Kwon )

발행기관 : 한국산업보건학회 (구 한국산업위생학회) 간행물 : 한국산업보건학회지 30권 2호 발행 연도 : 2020 페이지 : pp. 153-162 (10 pages)

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Objectives: 3D printing technologies have become widely developed and are increasingly being used for a variety of purposes. Recently, the evaluation of 3D printing operations has been conducted through chamber test studies, and actual workplace studies have yet to be completed. Therefore, the objective of this study was to determine the emission of volatile organic compounds(VOCs), metals, and particles from printing operations at a workplace. This included monitoring conducted at a commercial 3D printing service workplace where the processes involved material extrusion, material jetting, binder jetting, vat photo polymerization, and powder bed fusion.
Methods: Area samples were collected with using a Tenax TA tube for VOC emission and MCE filter for metals in the workplace. For particle monitoring, Mini Particle Samplers(MPS) were also placed in the printer, indoor work area, and outdoor area. The objective was to analyze and identify particles' size, morphology, and chemical composition using transmission electron microscopy with energy dispersive spectroscopy(TEM-EDS) in the workplace.
Results: The monitoring revealed that the concentration of VOCs and metals generated during the 3D printing process was low. However, it also revealed that within the 3D printing area, the highest concentration of total volatile organic compounds(TVOC) was 4,164 ppb at the vat photopolymerization 3D printing workplace, and the lowest was 148 ppb at the material extrusion 3D printing workplace. For the metals monitoring, chromium, which, is carcinogenic for humans, was detected in the workplace. As a characteristic of the particles, nano-sized particles were also found during the monitoring, but most of them were agglomerated with large and small particles.
Conclusions: Based on the monitoring conducted at the commercial 3D printing operation, the results revealed that the concentration of VOCs and metals in the workplace were within Korea's occupational exposure limits. However, due to the emission of nano-sized particles during 3D printing operations, it was recommended that the exposure to VOCs and metals in the workplace should be minimized out of concern for workers' health. It was also shown that the characteristics of particles emitted from 3D printing operations may spread widely within an indoor workplace.

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7옥외 근로자들의 카드뮴과 납 노출 영향요인

저자 : 문찬석 ( Chan-seok Moon )

발행기관 : 한국산업보건학회 (구 한국산업위생학회) 간행물 : 한국산업보건학회지 30권 2호 발행 연도 : 2020 페이지 : pp. 163-173 (11 pages)

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Objectives: The study was evaluated exposure variation and daily absorption level of cadmium, lead concentration of ambient air of monthly data from 1999 to 2017 for main exposure factor in outdoor workers.
Methods: Based on the monthly data from 'The annual report of air quality in Korea from 1999 to 2018' in 'Air Korea' website in the Korean Ministry of Environment. The monthly data of PM2.5, PM10, cadmium, lead concentration of ambient air were recalculated to average, minimum, and maximum. And these data were combined to Asian-dust exposure data from 'The annual report of Asian-dust·smog in 2017' of National Institute of Meteorological Sciences in Korea.
Results: Geometric mean(minimum-maximum) concentration in ambient air of monthly data were 0.0017 (ND-0.2015) mg/m3 in cadmium and 0.0467(ND-0.8554) mg/m3 in Pb from 1999 to 2017. Both of Cd and Pb concentration in ambient air showed the highest concentration in January and the lowest in August among annual variation from 1999 to 2017. PM10 and PM2.5 level showed the highest in March(PM10) and February (PM2.5) the lowest in August both of PM10 and PM2.5.
Discussion: Based on exposure data and prior reports, daily Cd absorption was estimated to 0.013(ND-1.511) mg/day from respiration and 1.89 mg/day from daily food(25.2 mg/day of daily Cd intake). In case of Pb, daily absorption was estimated to 0.350(ND-6.416) mg/day from respiration and 1.38-1.71 mg/day from daily food intake.
Conclusion: Cd and Pb with Asian-dust have high influential factor to increase the Cd and Pb exposure at Winter and Spring season in outdoor workers.

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8항공기 청소 노동자의 작업 만족도 및 유해인자 조사

저자 : 최연학 ( Yeonhak Choi ) , 김기연 ( Ki-youn Kim )

발행기관 : 한국산업보건학회 (구 한국산업위생학회) 간행물 : 한국산업보건학회지 30권 2호 발행 연도 : 2020 페이지 : pp. 174-184 (11 pages)

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Objectives: The purpose of this study was to improve the working environment by identifying the work satisfaction of the cleaning workers of the aircraft and measuring and assessing the harmful factors of the cleaning process.
Methods: We asked 23 cleaning companies for questionnaires and got 100 answers from 5 companies. The A-E Airline health manager has been contacted to establish a site survey schedule. The in-flight and lounge were measured using direct reading equipment. The harmful factor to be measured are noise, dust, temperature, volatile organic compound, total airborne bacteria, and total airborne bacteria.
Results: Uncomfortable positions when replacing blanket, cleaning the table, and cleaning the floor have been identified as factor that reduce work satisfaction. Noise when replacing newspapers and cleaning toilets has been identified as a factor that lowers work satisfaction. Temperature and humidity were found to reduce work satisfaction during in-flight disinfection. Measurements of aircraft cabin and lounge with direct read equipment have shown that none of the items exceed the exposure criteria.
Conclusions: As a result of measuring direct-reading equipment, no items exceeded the exposure criteria for each harmful factor. A clear survey of the working environment is required based on the results, and additional research is needed using personal sample measurement.

KCI등재

9소음 노출 사업장의 소음 노출수준과 노출기준 초과율 현황

저자 : 김규상 ( Kyoosang Kim ) , 성정민 ( Jungmin Sung ) , 김은아 ( Eun-a Kim )

발행기관 : 한국산업보건학회 (구 한국산업위생학회) 간행물 : 한국산업보건학회지 30권 2호 발행 연도 : 2020 페이지 : pp. 185-195 (11 pages)

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Objectives: The purpose of this study was to analyze noise exposure levels and the rate of exceedance of exposure limits in workplaces from a 2015 measurement of working environments according to area, industry, and scale of workplace and to determine changes compared to the past.
Methods: Among the 408,875 measurements of noise in working environments from 27,030 workplaces in 2015, 16,359 workplaces that were linked to special health examination data were selected as the subjects of this study. The eight-hour corrected measurements and geometric mean values of the individual noise measurements of the workplaces were used to calculate noise exposure levels and the exceedance rate of exposure limits.
Results: The average noise exposure level of the overall workplaces making up the subjects of this study was 83.6 dBA, and the exceedance rate of exposure limits was 15.1%. At least half of the noise measurements exceeded the exposure limits in 13.7% of the workplaces. Noise exposure levels were higher in the manufacturing industry and in smaller-scale workplaces. The exceedance rate of noise exposure limits was higher in the mining and manufacturing industries and in smaller-scale workplaces.
Conclusions: Noise exposure has shown improvements compared to the past, but the exceedance rate of exposure limits was still high, and more than half of the workers were being exposed to noise of 85 dBA or higher. Therefore, it is necessary to make more active improvements in working environments in terms of noise exposure.

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10만성폐쇄성폐질환을 동반한 이직광부에서 혈장 총 Peroxide 및 산화스트레스 지수 수준에 미치는 영향요인

저자 : 이종성 ( Jong Seong Lee ) , 신재훈 ( Jae Hoon Shin ) , 백진이 ( Jin Ee Baek ) , 정지영 ( Ji Yeong Jeong ) , 최병순 ( Byung-soon Choi )

발행기관 : 한국산업보건학회 (구 한국산업위생학회) 간행물 : 한국산업보건학회지 30권 2호 발행 연도 : 2020 페이지 : pp. 196-204 (9 pages)

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Objective: Chronic obstructive pulmonary disease(COPD) is characterized by persistent airflow limitations associated with chronic inflammatory response due to noxious particles or gases in the lung. Increasing oxidative stress associated with COPD. The aim of this study was to evaluate the influencing factors of biomarkers for oxidative stress in retired miners with COPD.
Methods: The levels of total peroxide(TPx), total antioxidant capacity(TAC), and oxidative stress index(TPx/TAC ratio, OSI) in plasma as biomarkers for oxidative stress, serum C-reactive protein(CRP) as a biomarker for inflammation, and general characteristics were measured in 93 male subjects with COPD. COPD was defined as post bronchodilator FEV1/FVC<0.7 by spirometry.
Results: Mean levels of TPx(p=0.013), TAC(p=0.010), OSI(p=0.040), and CRP(p=0.024) were higher in current smokers. Levels of TPx(β=0.445, p<0.001), TAC(β=0.490, p<0.001), and OSI(β=0.351, p<0.001) were related to CRP levels, and CRP levels were related to %FEV1 predicted(β=-0.295, p=0.003) and current smoking(β =0.214, p=0.032).
Conclusions: These results suggest that oxidative stress was related to inflammation, and inflammation were related to decreasing %FEV1 predicted and current smoking in retired miners with COPD.

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1연안해역에서 석유오염물질의 세균학적 분해에 관한 연구

(2006)홍길동 외 1명심리학41회 피인용

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(2006)홍길동심리학41회 피인용

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(2006)홍길동41회 피인용

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을지대학교 순천향대학교 국회도서관 산업안전보건연구원 서울대학교
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