女性勤勞者들을 爲한 産業保建管理 = A SURVEY ON THE WORKING ENVIRONMENTS AND PREVALENCE OF DISEASES IN SMALL-SCALE INDUSTRIES
저자
李炳甲 (경희대학교 의과대학)
발행기관
가톨릭대학산업의학센타 산업의학연구소(Institute of Industrial Medicine Catholic Industrial Medical Center )
학술지명
권호사항
발행연도
1970
작성언어
Korean
KDC
513.986
자료형태
학술저널
수록면
1-4(4쪽)
제공처
소장기관
This survey was conducted on seventy-five industrial establishments of various sizes in Yongdung Po area over a period of four months from August 1 to November 30, 1970. We placed emphasis on the their working environments and prevalence of organic solvent poisoning and occupational hearing loss. The results were as follows:
I. Working environment
1. Transport equipment industry produced the highest noise levels ranging from 90 to 96 dB(A) and printing industry had the lowest noise level of 70-91 dB(A).
2. Illumination were poor in transport equipment industry (50-100 lux)
and best in chemical industry (150-800 lux).
3. Dust concentration was highest in metal product industry
(38.0 mg/㎥) and lowest in precision instruments manufacturing industry (0.15mg/㎥).
4. The concentration of benzene was 200-300 ppm in precision instrument manufacturing industry, 25-150 ppm in chemical industry, 80-130 ppm in food-stuff industry, and also above TLV at spray process in metal product and transport equipment industry.
5. The concentration of toluene was 300-900 ppm at printing process of food-stuff industry, 300-500 ppm at paint manufacturing industry, and less than TLV in rubber products and precision instrument manufacturing industry.
6. The concentration of trichloroethylene was 750 ppm at washing process of precision instrument manufacturing industry and 120-650 ppm at packing process in metal product industry.
7. Gasoline above TLV was noted in rubber product industry, printing industry and precision instrument manufacturing industry.
8. Organic lead was 0.02-0.23 mg/㎥ in rubber product industry.
9. In metal product industry, carbon monoxide was 250 ppm and sulfur dioxide was 25 ppm.
II. Organic solvent poisoning.
1. Prevalence of organic solvent poisoning (including suspects) was 48.1%, being 49.6% for male and 46.8% for female workers. The rate was higher in rubber product industry, printing industry, transport equipment and chemical industry. By the scale of industry, the rate was highest in undertakings employing less than 100 workers.
2. The prevalence rate of benzene poisoning increased in positive association with the length employed.
3. The prevalence rate of benzene poisoning was 54.5% for female workers and showed sharp increase with age. Th rate for young (male and female) workers of less than 18 years was 44.5% and 48.0% respectively.
4. For workers exposed to benzene, the atmospheric concentration and blood specific gravity, as well as the length of services and red blood count, showed statistically significant association.
III. Occupational hearing loss.
1. The prevalence of occupational hearing loss (including suspects)
was 36.6%, being 30.7% for male and 42.5% for female workers. The rate was higher in metal products industry, and leather products plants Also it was high in textile industry for female workers. By the scale of industry, the rate decreased in the sequence of 100-299 employees, 300-999 employees, less than 100 employees and more than 1,000 employees group.
2. The prevalence rate showed increase together with length of services, especially in female workers.
3. Female workers are exposed to higher level of noise in general and the prevalence rate showed rapid increase with the advance of age.
IV. Non-occupational diseases.
1. The prevalence rate was 26.0%, being 28.4% for male and 18.6% for female workers. By groups pf disease, hypertension, hearing loss and eye disease were most prevalent.
2. The prevalence of pulmonary tuberculosis was 3.58% and a remarkable decrease in recent years was noted.
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