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이내우,김성빈,박희련,디노피사니엘로 한국산업위생학회 2000 한국산업보건학회지 Vol.10 No.2
This study was performed to evaluate tannin exposure by woodcuts for workers in furniture factories and to investigate the relationship between tannin exposure and sino-nasal cancer risk. In order to explore possible cytological changes leading to nasal cancer, we have examined 50 male furniture workers and 50 matched controls using brush cytology. The results we have obtained in this study were as follows: 1. The tannin contents of woods used in woodworking factories have been measured and varied from 0.43 to 8.72 ㎎ tannic acid equivalent per gram wood, for reconstituted softwood and turpentine (Syncarpia glomuliferia) respectively. 2. Airborne tannins in woodcuts were also determined by area and personal exposure. The values of mean exposures for bath methods are ranged from 3.1 to 5.0 ㎍/㎥ and from 4.6 to 14.5 ㎍/㎥ in furniture manufactures. 3. Over nasal cytology scores 2, the scores of study group were slightly more than control group and this kind of metaplasias seemed to be occurred over 2 ㎎/㎥ woodcuts and 6 ㎍/㎥ tannin exposure. Keratinising squamous metaplasia was investigated at nasal cytology score 3 and 10 ㎍/㎥ tannin exposure. The nasal cytology score 4 was seemed to be atypical squamous metaplasia. 4. To find out contributing factors to nasal cytology change, odds ratio that is one of fundmental biostatistics was applied. Actually the relationship between woodcuts, tannin concentration and metaplasia were not meaningful, but the relationship between working experience more than 15 years and metaplasia was calculated as 1.83. This reveals that significant clinical abnormalities could be influenced from the years of woodworking experiences. However further research is required to evaluate the significance of the data, for the purposes of sino-nasal risk assessment, standard setting to prevent nasal cancer occurrences and possibility of changing workplace.
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심상효,김정만,진찬호,박희련,정춘화 한국실내환경학회 2010 한국실내환경학회지 Vol.7 No.3
This study has attempted to investigate current asbestos laws in the amended Occupational Safety and Health Act on the removal and disposal of asbestos. Among 800 registered asbestos removal and disposal companies, 499 firms were investigated from August 7 to December 10, 2009. The qualified inspectors (those with Industrial Hygiene Engineer’s License or higher-level technical license) are educated for more than three hours before starting the inspection. In terms of regional distribution, Gyeonggi / Incheon was the highest with 105 companies(21%), followed by Daegu / Gyeongbuk(100, 20%), Chungbuk(97, 19.4%), Jeonbuk(37, 7.4%), Gwangju / Jeonnam (35, 7.0%) and Seoul(33, 6.6%). In terms of the number of education and technical assistances(1,348 in total) among 499 asbestos removal and disposal companies ,‘personal protective equipment and putting it on(287, 21.3%)’ was the highest, followed by ‘safety & health actions by asbestos removal and disposal work(171, 12.7%),’ ‘hazard of asbestos(168, 12.5%),’ ‘NO SMOKING and NO FOOD(164, 12.2%)’ and ‘prevention of asbestos fibers from being airborne(12, 0.9%).’A questionnaire consisted of 11 questions regarding the obse tance of enforcement ordinances associated with the removal and disposal of asbestos. According to an investigation on the current status of the workplace based on inspectors’ checklists, 3 scores were maintained in average. This paper has limitations because it has failed to randomly investigate the workplace because it is very strict to visit the asbestos removal and disposal sites.
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