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한국산업보건학회 (구 한국산업위생학회)> 한국산업보건학회지> 육가공 작업장에서 발생되는 바이오에어로졸 저감을 위한 살균제 효능 실증 평가

KCI등재

육가공 작업장에서 발생되는 바이오에어로졸 저감을 위한 살균제 효능 실증 평가

Efficacy Evaluation of Disinfectant for Reducing Bioaerosols Generated in a Meat Processing Workplace

황주영 ( Ju-young Hwang ) , 최원 ( Won Choi ) , 김두영 ( Doo-young Kim ) , 안우주 ( Woo-ju An ) , 이우제 ( Woo-je Lee ) , 김기연 ( Ki-youn Kim )
  • : 한국산업보건학회
  • : 한국산업보건학회지 31권2호
  • : 연속간행물
  • : 2021년 06월
  • : 138-146(9pages)
한국산업보건학회지

DOI


목차

I. 서 론
Ⅱ. 대상 및 방법
Ⅲ. 결과 및 고찰
Ⅳ. 결 론
감사의 글
References

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Objectives: This study aims to compare and evaluate the reduction efficiency of disinfectants used in the domestic meat processing industry to reduce bioaerosol exposure of meat industry workers and to use this as basic data for establishing work environment management measures.
Methods: Thirteen disinfectants sold in South Korea were selected for evaluation and the bacterial reduction effect of the disinfectants was investigated. Bacterial suspension and surface disinfection tests were conducted to compare and analyze the antibacterial strength of the disinfectants. Pork carcasses, cutting boards, benches, and conveyor belts were selected for surface sterilization tests.
Results: As a result of the bacterial suspension experiment test, all disinfectants had a bacterial reduction efficiency of more than 86%. Among them, the bacterial reduction efficiency of chlorine disinfectants was 99.93% on average. In the results of the pork carcass surface sterilization test, the rate of reduction of disinfectants made of quaternary ammonium compounds (QACs) was the highest. Tests of plastic cutting boards showed that chlorine disinfectants had the best sterilization effect. Experiments on stainless steel benches showed the best bacterial reduction efficiency for chlorine dioxide and QACs disinfectants. In the conveyor belt made of urethane, QACs disinfectants showed excellent sterilization effects.
Conclusions: The study evaluated the disinfection power of disinfectants against bacteria occurring in domestic meat processing plants. All disinfectants were found to be effective in bacterial suspension experiments, and chlorine disinfectants were particularly effective. In surface sterilization experiments, sterilizing agents with QACs as the main ingredient were excellent.

UCI(KEPA)

간행물정보

  • : 의약학분야  > 예방의학및보건학
  • : KCI등재
  • :
  • : 계간
  • : 2384-132x
  • : 2289-0564
  • : 학술지
  • : 연속간행물
  • : 1991-2021
  • : 1050


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31권3호(2021년 09월) 수록논문
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KCI등재

1발암성 흡입독성 시험물질선정 신뢰도 향상방안에 관한 연구

저자 : 조중래 ( Jung-rae Cho ) , 임경택 ( Kyung-taek Rim ) , 이종호 ( Jong-ho Lee )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 3호 발행 연도 : 2021 페이지 : pp. 185-193 (9 pages)

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Objectives: Inhalation toxicity testing of chemical substances to identify carcinogenicity requires a long time and considerable cost, so the selection of test candidates is a very important aspect. This study was performed to determine optimal procedures for selecting carcinogenic inhalation toxicity test substances as conducted by the Occupational Safety and Health Research Institute (OSHRI).
Methods: At the beginning, a database was constructed containing complex information such as usage amount, hazard, carcinogenicity prediction, and testability in order to select chemicals requiring carcinogenicity testing. Selection of test substances was carried out with priority given to usage, carcinogenicity, and testability.
Results: Chemicals used in large quantities in industrial fields and strongly suspected of carcinogenicity were winnowed down to 12 substances, and these substances were scheduled for future testing by OSHRI.
Conclusions: For the stable and reliable operation of carcinogenicity tests as conducted by OSHRI, this study standardized the procedures for selecting carcinogenicity test substances and suggested the introduction of various carcinogenicity prediction techniques.

KCI등재

2어깨 부위 근골격계 상병 신청자들의 특성

저자 : 조우인 ( Woo-in Jo ) , 이사우 ( Sa-woo Lee ) , 피영규 ( Young Gyu Phee )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 3호 발행 연도 : 2021 페이지 : pp. 194-201 (8 pages)

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Objectives: The purpose of this study was to identify the distribution of diagnostic disease among applicants for shoulder musculoskeletal disease.
Methods: In 2020, 47 diagnostic disease applicants were investigated for sociodemographic, health, work, job, and diagnostic disease characteristics. The data were corrected through on-site visits and analyzed using descriptive statistics with SPSS WIN23.0.
Results: Most of the applicants were male and elderly. They had high blood pressure(38.3%) and diabetes (21.3%), and the drinking rate and smoking rate were also high. The most common type of employment was daily workers, and it was confirmed that the working condition was poor due to excessive working hours and short rest times. Most of the applicants for shoulder diagnostic diseases were in the construction industry, and the most common diagnostic disease was a rotator cuff tear.
Conclusions: It is necessary to develop a musculoskeletal disease prevention program suitable for construction workers to reduce their work-related disease. When establishing a program, business type, task, and diagnostic disease must be considered.

KCI등재

3남성 근로자의 생식보건 역학연구

저자 : 최병주 ( Byeong Ju Choi ) , 이상길 ( Sanggil Lee ) , 김성규 ( Seonggyu Kim ) , 성정민 ( Jungmin Sung ) , 예신희 ( Shinhee Ye )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 3호 발행 연도 : 2021 페이지 : pp. 202-212 (11 pages)

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Objectives: The reproductive health of female workers has been extensively investigated in South Korea and other countries worldwide. However, few studies have discussed the reproductive health of male workers. In this study, we reviewed the recent literature that reports on the effects of occupational exposure on the reproductive health of male workers and the health of their children.
Methods: In May 2020 we used the PubMed search engine to search the literature over the last 10 years and chose case-control, cohort, and cross-sectional studies and reviews. We selected epidemiological studies that investigated the association between pre-pregnant occupational exposure and the reproductive health of male workers and the health of their children. We excluded case reports, non-epidemiological studies (animal experiments, cellular-level experiments, and similar articles), and studies that described postnatal occupational exposure.
Results: We eventually selected 23 studies. The studies that included exclusively male workers reported that those employed in the agricultural sector or those exposed to pesticides showed lower blood levels of reproductive hormones and a high risk of lympho-hematopoietic system cancer in their children. Male workers exposed to complex organic solvents and organic compounds showed a high risk of poor semen quality, increased time to pregnancy, decreased blood levels of reproductive hormones, and a high risk of lympho-hematopoietic system cancer in their children. Male workers employed in occupations that involved significant social contact, or in the leather and livestock industries, and in occupations with high levels of exposure to lead and organic solvents showed a high risk of malignancies, including lympho-hematopoietic system cancer, neuroblastoma, and central nervous system tumors in their children. Studies that investigated both male and female workers reported that children of male smelters showed a high risk of premature birth, and children of male workers exposed to metals showed a high risk of hypospadias and cryptorchidism. Children of male welders and workers employed in the glass, ceramic, and tile industries showed a high risk of premature birth.
Conclusion: The findings of this study will serve as basic data for further research on male workers' reproductive health and provide a scientific basis for the development of strategies to protect the reproductive health of males employed in high-risk occupations. Moreover, the results of this study may provide guidelines to improve the understanding of and knowledge on male workers' reproductive health.

KCI등재

4크롬 직업병 유소견자와 요관찰자 추이 및 취급 근로자의 생물학적 노출수준 고찰

저자 : 박상일 ( Sang-il Park ) , 김남수 ( Nam-soo Kim ) , 황보영 ( Young Hwangbo ) , 김화성 ( Hwa-sung Kim ) , 이성수 ( Sung-soo Lee ) , 김용배 ( Yong-bae Kim )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 3호 발행 연도 : 2021 페이지 : pp. 213-225 (13 pages)

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Objectives: This study identifies the trends in possible and probable occupational disease among chromium workers and reviews the literature on domestic and foreign chromium workers to review the industries, biological exposure levels, and major results.
Methods: The results of the Ministry of Employment and Labor's special health-screening program for hazard agents among workers from 2009 to 2019 were used. Also, the industries, biological exposure levels, and major results on chromium workers were reviewed using PubMed and RISS.
Results: The average annual proportion of both possible and probable occupational disease for chromium workers has recently increased. The average annual proportion of possible and probable occupational disease that can occur was high for both men and women in their 60s or older by age and 10 to 14 years by work duration. By industry, possible occupational disease showed high in manufacturing. In the literature review, many electroplating-related chromium-workers reported high levels of exposure to blood and urine chromium, as did dental technicians; tannery, tile factory or glass mill workers; cement workers; and sodium bichromate workers. Furthermore, a number of main findings in recent studies have reported that chromium exposure is related to genetic toxicity among workers.
Conclusions: In this study, the average annual rate of both possible and probable occupational disease in domestic chromium workers is increasing, and a body of literature shows that chromium exposure is related to genetic toxicity and associated indicators among workers, which requires more systematic study.

KCI등재

5국내·외 라돈 관련 제도 비교를 통한 산업안전보건법 개선방안

저자 : 임대성 ( Dae Sung Lim ) , 김기연 ( Ki-youn Kim ) , 조용민 ( Yong Min Cho ) , 서성철 ( Sung Chul Seo )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 3호 발행 연도 : 2021 페이지 : pp. 226-236 (11 pages)

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Objectives: Concerns have been raised about the possible health effects of radon on both workers and consumers with the spread of social attention to the impact of radon exposure. Thus, an entire raw material handling workshop was investigated, and standards for radon levels in the workplace were newly established at 600 ㏃/㎥. However, regulations on the management of workers exposed to radon are still insufficiently developed. Therefore, by comparative analysis of overseas and domestic radon-related regulations for workplaces, this study aims to suggest improvement plans of protection regulations under the Occupational Safety and Health Act (OSH Act) for the prevention of health disorders of radon-exposed workers.
Methods: For overseas case studies, we consulted radon-related laws and reports officially published on the websites of the European Union (EU), the United States (U.S.) and the United Kingdom (UK) government agencies. Domestic law studies were conducted mainly on the Act on Protective Action Guidelines against Radiation in the Natural Environment and the OSH Act.
Results: In Europe, the basic safety standards for protection against risks arising from radon (Council Directive 2013/59/EURATOM of 5 December 2013) was established by the EU. They recommend that the Member States manage radon level in workplaces based on this criterion. In the U.S., the standards for workplaces are controlled by the Occupational Safety and Health Administration (OSHA) and the Mine Safety and Health Administration (MSHA). Action on radon in the UK is specified in “Radon in the workplace” published by the Health and Safety Executive (HSE).
Conclusions: The Act on Protective Action Guidelines against Radiation in the Natural Environment mainly refers to the management of workplaces that use or handle raw materials but does not have any provisions in terms of protecting naturally exposed workers. In the OSH Act, it is necessary to define whether radon is included in radiation for that reason that its current regulations have limitations in ensuring the safety workers who may be exposed to naturally occurring radon. The management standards are needed for workplaces that do not directly deal with radon but are likely to be exposed to radon. We propose that this could be specified in the regulations for the prevention of health damage caused by radiation, not in Article 125 of the OSH Act.

KCI등재

6잠재프로파일분석을 통한 임금근로자의 위험요인 노출 유형분류 및 영향요인 검증

저자 : 이은진 ( Eunjin Lee ) , 홍세희 ( Sehee Hong )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 3호 발행 연도 : 2021 페이지 : pp. 237-254 (18 pages)

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Objectives: This study aims to classify the latent profiles in the exposure to hazard factors of salaried employees and test the determinants.
Methods: Latent profile analysis(LPA) was conducted using data from the fifth Korean Working Conditions Survey(KWCS). 30,050 of salaried employees were the subjects of this study. After classifying the employees, multinomial logistic regression was used to test the determinants.
Results: Salaried employees were classified with three latent profiles based on the exposure to the hazard factors. Employees included in class 1(32.8%) tend to experience low level of physical hazard factors, moderate level of psychological hazard factors, and high level of office work hazard factors. Employees included in class 2(61.8%) tend to be exposed to the moderate to high level of physical hazard factors, moderate to low level of psychological hazard factors, and low level of office work hazard factors. Employees included in class 3(5.4%) tend to experience high level of psychological and physical hazard factors, and moderate level of office work hazard factors. After classification, the demographic, health-, and employment-related variables were tested.
Conclusions: This study clarified the features of each class, and proved that employees in class 3 are quite hazardous in that they are exposed to physical and psychological hazard factors much more frequently than other employees. Thus, this study can be used in predicting the high-risk employees and taking preemptive measures for preventing industrial accidents.

KCI등재

7무기산류에 대한 국내 작업환경측정 현황 분석

저자 : 박해동 ( Hae Dong Park ) , 박승현 ( Seung-hyun Park ) , 정기효 ( Kihyo Jung )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 3호 발행 연도 : 2021 페이지 : pp. 255-265 (11 pages)

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Objectives: The purpose of this study is to analyze the exposure characteristics of inorganic acids.
Methods: We analyzed exposure data (n = 363,146) for six inorganic acids (hydrogen fluoride, hydrogen bromide, hydrogen chloride, phosphoric acid, nitric acid, and sulfuric acid) collected between 2017 and 2019 in South Korea. Measurement characteristics and exposure levels (ELs) were analyzed by inorganic acid, industry category, enterprise size, and measurement year.
Results: Measurement percentage dominated in time-weighted average (TWA, 91%) compared to short term exposure limit (STEL) and Ceiling. Most of the measurements (79.7%) were collected from the manufacturing category of industry. Medians of ELs were mostly low (≤3% of the threshold limit), with the exception of sulfuric acid (4.6% of TWA and 10.5% of STEL). The percentages of exceeding 1% of the occupational exposure limits (OELs) in TWA were relatively high for sulfuric acid (35.8%) and hydrogen chloride (16.5%) compared to the other acids (4.2%-6.6%). In addition, the percentages of exceeding 1% of OELs in STEL or Ceiling were higher for sulfuric acid (22.9%), hydrogen chloride (12.3%), and nitric acid (8.2%) compared to the other acids (1.2%-1.9%). The small-sized enterprises showed higher ELs in TWA; contrarily, the large-sized enterprises had higher ELs in STEL or Ceiling.
Conclusions: The measurement characteristics and ELs identified in this study could be useful for establishing safety and health policies for inorganic acids.

KCI등재

8근골격계 유해요인 조사 보고서 검토를 통한 조사 방법 및 제도 개선 방안

저자 : 김병훈 ( Byoung Hoon Kim ) , 박지영 ( Ji Young Park ) , 백경희 ( Kyunghee Baek ) , 하권철 ( Kwonchul Ha )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 3호 발행 연도 : 2021 페이지 : pp. 266-273 (8 pages)

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Objective: The objective of this study was to suggest improvement methods for investigations and systems through a review of musculoskeletal risk factor investigation reports conducted in the workplace.
Methods: A total of 34 reports on musculoskeletal risk factor investigations were reviewed. To confirm the appropriateness of the evaluation, reevaluation was conducted through a field investigation using other evaluation tools. In order to understand the effectiveness of the improvement plan, a survey was conducted with those in charge of tasks with ergonomic burdens.
Results: As a result of performing a field survey using the work sampling method recommended by the KOSHA (Korea Occupational Safety and Health Agency) for ten tasks, eight tasks were determined to pose an ergonomic burden. When 30 tasks were evaluated with RULA (rapid entire body assessment), 90% of them were evaluated at a higher level than the results of the workplace survey. Among the improvement measures, only 36% of the field workers affirmed them, and in only 19% of the workplaces were actual improvements made.
Conclusions: In order to improve the ergonomic investigation system for risk factors in the ergonomic burden task, it is necessary to secure the objectivity of the evaluation performed by the institution and enable the active participation of workers in improvement activities.

KCI등재

9적정 작업환경측정수수료 산정을 위한 소고

저자 : 박지연 ( Ji-yeon Park )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 3호 발행 연도 : 2021 페이지 : pp. 274-285 (12 pages)

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Objectives: The question of whether the level of fees paid to working environment measurement agencies is appropriate has long been a matter of concern to the government. In addition, measurement institutions express dissatisfaction with their level of compensation, which has a great influence on the evaluation of a subject's policy. This study is intended to find a way to appropriately calculate working environment measurement fees.
Methods: We looked at the principle of fee determination as a basic theory of fee calculation used in fee calculation, the legal and academic aspects of the general method of fee calculation, and government cost calculation standards. Furthermore, we reviewed the research methods applied so far to derive a method of calculating fees appropriate for this environment.
Results: The working environment measurement environment is different from other commission calculation environments. The other environment is to appropriately calculate the service price provided by a monopoly public enterprise, while the situation is to appropriately calculate the fees provided by competitive private enterprises. Therefore, the service delivery environment and the delivery entity are different. In this case, the appropriate method of calculating service fees would be competitive pricing. There have also been many problems under the method of calculation by service cost.
Conclusions: First, the working environment measurement fee requires an accounting correction of endogenous variables. Second, the theory of calculating fees appropriate for this situation is appropriate for competitive pricing that applies to private competitors. Third, the government should make efforts to make the service supply market a fully competitive market while ensuring that the service fee level is determined at the marginal cost level. Fourth, economically, research on marginal cost levels is needed.

KCI등재

10만성폐쇄성폐질환을 동반한 무기분진 노출 이직근로자의 혈중 림프구 아형분포에 미치는 영향요인

저자 : 백진이 ( Jin Ee Baek ) , 신재훈 ( Jae Hoon Shin ) , 황주환 ( Joo Hwan Hwang ) , 이유림 ( Youlim Lee ) , 이종성 ( Jong Seong Lee ) , 최병순 ( Byung-soon Choi )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 3호 발행 연도 : 2021 페이지 : pp. 286-293 (8 pages)

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Objectives: Inorganic dust is known to be a risk factor for chronic obstructive pulmonary disease (COPD) regardless of smoking and pneumoconiosis. Adaptive and innate immunity, including lymphocyte infiltrate, are involved in the pathogenesis of COPD. The purpose of this study was to analyze the lymphocyte subsets in the blood of workers exposed to inorganic dust and confirm the influencing factors.
Methods: The general characteristics of the subjects (n=107) were analyzed through a personal questionnaire. Diagnosis of COPD was established according to pulmonary function tests with FEV1/FVC post bronchodilator lower than 70%, according to the Global Initiative for Chronic Obstructive Lung Disease (GOLD) guidelines. For lymphocyte analysis, blood was stained with a fluorescent CD marker and analyzed by flow cytometry.
Results: The increase in CD4+ T lymphocytes was associated with a decrease in age (β=-0.273, p=0.008) and an increase in the cumulative smoking amount (β=0.205, p=0.034). The increase in NK cells was associated with an increase in age (β=0.325, p=0.001) and a decrease in cumulative smoking (β=-0.220, p=0.019). The period of exposure to dust, %FVC predicted and %FEV1/FVC, and the relative population of peripheral blood lymphocytes did not show a statistically significant relationship.
Conclusions: CD4+ T lymphocytes and CD56+CD16+ NK cells in peripheral blood were more related to age and cumulative smoking than the duration of dust exposure. Age and smoking are major risk factors for the development of COPD, so it can be predicted that peripheral blood CD4+ T lymphocytes and CD56+CD16+ NK cells are related to the development of COPD in workers exposed to inorganic dust.

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KCI등재

1작업환경측정시료의 분석수탁기관과 자율정도관리 참여와의 연관성

저자 : 김성호 ( Sungho Kim ) , 권지운 ( Jiwoon Kwon ) , 조현민 ( Hyunmin Cho ) , 박해동 ( Hae Dong Park )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 2호 발행 연도 : 2021 페이지 : pp. 111-118 (8 pages)

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Objectives: The necessity of samples for analysis requested by working environment monitoring institutes (WMIs) has grown recently. The collection of samples of a few chemical substances requested by WMIs is allowed under the current occupational safety and health act in Korea, leading to an expansion of samples for analysis requested by institutes (SRIs). The objective of this study was to identify the number of institutes for analyzing requested samples (IARS), SRIs, and their participation in a non-mandatory proficiency test.
Methods: Questionnaires were completed by all WMIs. The collected information was quantity of analysis equipment, sorting of chemicals from SRIs, and the number of SRIs. This was compared in terms of the participation in the non-mandatory proficiency test.
Results: All WMIs in Korea responded to the survey, establishing a 100% response rate. There were 52 (29%) IARS among the 179 WMIs in Korea. The total number of samples of acid for ion chromatograph (IC) analysis requested by WMIs was 21,165, which is the most. Even the number of IARS for crystalline silicon oxide was less than other top-five IARS. The total amount of samples was 13,863, which was the second most. The calculated participation score for IARS was significantly higher than other WMIs (p<0.001). According to participation in the non-mandatory proficiency test by type of substance, such as crystalline silicon oxide and formaldehyde among IARS, the number of SRIs from those IARS was significantly higher than IARS that did not participate in the proficiency test (p<0.05).
Conclusions: IARS had a high frequency of participation in the non-mandatory proficiency test and the number of SRIs at IARS participating in the proficiency test was higher among IARS. With the revision of the occupational health and safety act in Korea, the number of IARS participating in the non-mandatory proficiency test might increase.

KCI등재

2국내 임금근로자에서 고용형태에 따른 hs-CRP level과의 연관성

저자 : 주재한 ( Jae-han Joo ) , 이준희 ( June-hee Lee )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 2호 발행 연도 : 2021 페이지 : pp. 119-127 (9 pages)

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Objectives: We aimed to find the relationships between employment status and hs-CRP level among Korean wage workers using the 2016 Korean National Health and Nutrition Examination (KNHANE, revised).
Methods: This study was conducted on 1,937 daytime wage workers over the age of 19 and within a normal weight range (18.5≤BMI<25). Regular workers were defined as those granted an employment guarantee until reaching retirement age, and non-regular workers were defined as temporary, non-typical, dispatched, short-term workers and contractors. For hs-CRP, three divisions were classified as recommended by the Centers for Disease Control and Prevention (CDC) and American Heart Association (AHA) with less than 1.0 mg/L indicating low risk of cardiovascular disease, above 1.0 mg/L and below 3.0 mg/L considered moderate risk, and more than 3.0 mg/L indicating high risk. To find the relationship between work type and hs-CRP level in Korean wage workers, multinominal logistic regression analysis was performed.
Results: For non-regular workers, the odds ratio of the cardiovascular moderate-risk group and cardiovascular high-risk group was statistically significant compared to regular workers. After adjusting for factors such as gender, age, subjective health status, income, education, smoking, and physical labor, the odds ratio of the cardiovascular high-risk group was statistically significant.
Conclusions: In this study, the relationship between non-regular workers and high hs-CRP level was examined. Based on this, institutional strategies should be pursued to prevent and manage cardiovascular disease among non-regular workers.

KCI등재

3소규모 사업장 대상 스마트 작업환경관리 서비스 모델 제안

저자 : 안우주 ( Woo-ju An ) , 김기연 ( Ki-youn Kim )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 2호 발행 연도 : 2021 페이지 : pp. 128-137 (10 pages)

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Objectives: The purpose of this study is to propose a smart work environment management service model that can measure and maintain work environments in real time.
Methods: How existing private consignment business is being carried out was identified and a simpler method was applied to the model.
Results: Common support was provided according to the Korea Standard Industrial Classification. Hazards suitable for the relevant industry classification were selected and information on safety and health education, etc. was provided. Theme-specific support provides services focusing on hazards that can be measured through applications. Hazards are evaluated by applying new standards divided into 'Good', 'Average', 'Inadequate', and 'Faulty'.
Conclusions: This model is designed to help employers identify health and safety conditions in small businesses where it is difficult to hire health and safety professionals. Using the app proposed in this study, anyone can easily measure their work environment at any time.

KCI등재

4육가공 작업장에서 발생되는 바이오에어로졸 저감을 위한 살균제 효능 실증 평가

저자 : 황주영 ( Ju-young Hwang ) , 최원 ( Won Choi ) , 김두영 ( Doo-young Kim ) , 안우주 ( Woo-ju An ) , 이우제 ( Woo-je Lee ) , 김기연 ( Ki-youn Kim )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 2호 발행 연도 : 2021 페이지 : pp. 138-146 (9 pages)

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Objectives: This study aims to compare and evaluate the reduction efficiency of disinfectants used in the domestic meat processing industry to reduce bioaerosol exposure of meat industry workers and to use this as basic data for establishing work environment management measures.
Methods: Thirteen disinfectants sold in South Korea were selected for evaluation and the bacterial reduction effect of the disinfectants was investigated. Bacterial suspension and surface disinfection tests were conducted to compare and analyze the antibacterial strength of the disinfectants. Pork carcasses, cutting boards, benches, and conveyor belts were selected for surface sterilization tests.
Results: As a result of the bacterial suspension experiment test, all disinfectants had a bacterial reduction efficiency of more than 86%. Among them, the bacterial reduction efficiency of chlorine disinfectants was 99.93% on average. In the results of the pork carcass surface sterilization test, the rate of reduction of disinfectants made of quaternary ammonium compounds (QACs) was the highest. Tests of plastic cutting boards showed that chlorine disinfectants had the best sterilization effect. Experiments on stainless steel benches showed the best bacterial reduction efficiency for chlorine dioxide and QACs disinfectants. In the conveyor belt made of urethane, QACs disinfectants showed excellent sterilization effects.
Conclusions: The study evaluated the disinfection power of disinfectants against bacteria occurring in domestic meat processing plants. All disinfectants were found to be effective in bacterial suspension experiments, and chlorine disinfectants were particularly effective. In surface sterilization experiments, sterilizing agents with QACs as the main ingredient were excellent.

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5유해인자 노출감시를 통한 산업보건서비스 강화

저자 : 박승현 ( Seung-hyun Park ) , 배계완 ( Gyewan Bae ) , 김준범 ( Joonbeom Kim ) , 김세동 ( Se-dong Kim )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 2호 발행 연도 : 2021 페이지 : pp. 147-155 (9 pages)

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Objective: The purpose of this study was to find ways for strengthening occupational health services through monitoring exposure to health hazards.
Methods: About 70,000 workplaces that have conducted the work environment measurement(WEM) over the last three years(2017∼2019) were classified according to the Korean Standard Industry Classification(KSIC), and the current status of WEM by industry was analyzed. The authors considered ways to monitor exposure to health hazards in order to strengthen occupational health services and protect workers' health.
Results: Based on the KSIC, 934 of the 1,196 total sub-classified industries have conducted WEM in at least one workplace over the last three year(2017∼2019). In the case of manufacturing, out of a total of 477 sub-classified industries, 474 have conducted WEM at more than one workplace. However, in some industries, WEM was not conducted or the implementation rate was low, so it was necessary to examine whether WEM should be expanded based on a detailed analysis of the WEM database. To this end, it is necessary to form an exposure monitoring committee in which various experts from different fields can participate. The committee needs to discuss the overall matters necessary for selecting industries that require detailed investigation or research, review the results, and prepare a final recommendation.
Conclusion: In conclusion, the government needs to come up with a plan to strengthen occupational health services through surveys and research on the current status of WEM and work environment management models by industry.

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6한국 요양보호사 산업재해의 연도별 변화추이

저자 : 손미아 ( Mia Son ) , 전거송 ( Geo-song Jeon ) , 배동철 ( Dong-chul Bae ) , 손병창 ( Byungchang Son ) , 김태운 ( Taeun Kim ) , 윤재원 ( Jae-won Yun )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 2호 발행 연도 : 2021 페이지 : pp. 156-172 (17 pages)

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Objectives: To investigate the trends of industrial injuries among long-term health care workers in Korea
Methods: T7866 injuries were selected from the total industrial injuries approved by the Industrial Accident Compensation Insurance Act(Occupational Safety and Health Act) among long-term health care workers between 2007 and 2016 in Korea. We analyzied the trends of industrial injuries according to work process, occurrence type, and causes.
Results: The industrial injuries among long-term health care workers increased since 2012. The mostly occurred area for industrial injuries were low back areas, which is related that the most serious industrial injuries occurred when the one long-term healthcare worker lift manually the recipient, from bed(ondol, Korean floor heating system) to a wheelchair, bed to bath bed, and wheelchair to bath chair. In addition to this, lack of workforce, increased work intensity due to overwork contributed the increasing of occupational injury.
Conclusions: This study suggests that the main causes of industrial injuries were Lack of facilities and equipment for small private long-term care institutions, The physical load that goes into lifting the recipient directly, work intensity such as excessive workload and increased work speed. We suggest that the social publicization of long-term care service for the elderly, avoiding ways to lift recipients directly, introducing lifting machines as well as improving working methods, and reducing the workload of caregivers are required.

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7헤나염모제 사용 시 로우손의 피부흡수 특성 및 피부보호제의 효과

저자 : 김주연 ( Ju Yeon Kim ) , 김배환 ( Bae-Hwan Kim ) , 김승원 ( Seung Won Kim )

발행기관 : 한국산업보건학회 간행물 : 한국산업보건학회지 31권 2호 발행 연도 : 2021 페이지 : pp. 173-183 (11 pages)

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Objectives: This study evaluated the skin permeability of lawsone in henna hair dyes to understand the exposure characteristics of henna hair dyes in the human body. It examined the protective effects of protectants by applying protectants A, B, and C to test skin.
Methods: Skin absorption tests were conducted using Franz diffusion cells according to OECD test guideline 428. After applying one kind of natural henna hair dye and chemical henna hair dye, respectively, to a standardized pig skin model, samples of receptor fluid were collected at 1h, 3h, 6h, and 24h. The skin permeation of lawsone was determined using HPLC. After the skin absorption experiment, the skin to which hair dye was applied was analyzed to determine the residual amount of lawsone in the skin.
Results: The cumulative permeation of both natural and chemical henna hair dyes increased over time, and the natural henna hair dye had a flux value (t=3.194, p<.05) high both in the Kp value (t=3.207, p<.05) and the residual amount (t=22.701, p< .001). For skin treated with a protectant, the cumulative permeation of natural henna hair dye 24h control and the cumulative permeation of protectant A, B, and C increased over time. Flux and Kp values were in the order control > protectant A > protectant C > protectant B. The residual amount (F=4.469, p< .05) was in the order of protectant C > protectant A > protectant B > control. At 3h, the dye application time of natural henna hair dye, the lawsone flux value (F=4.454, p<.05) and Kp value (F=4.455, p< .05) were higher in the control group than in the protectant groups. The 24h cumulative permeation of the chemical henna hair dye increased with time in both the control and the protectant groups, and the flux and Kp values were in the order of protectant A > protectant C > protectant B > control. The residual amount (F=7.901, p< .01) was in the order of protectant B > protectant A> protectant C > control.
Conclusions: Within the normal dyeing time for henna hair dye (three hours for natural henna hair dyes and 30 minutes for chemical henna hair dyes) lawsone skin penetration was not observed even when no protective agent was applied. After that time, however, evidence of skin penetration and retention of lawsone and the protective effect of protective agents were observed.

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