Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
권호 표지

Chronological Concentration Change of Five Chemical Substances in Manufacturing Industry of Busan Area

부산지역 일부 제조업 산업장의 기중 5가지 화학물질의 경시적 농도 변화

  • Park, Joon Jae (Institute of Industrial Medicine & Department of Occupational and Environmental Medicine, Busan Paik Hospital, Inje University) ;
  • Sun, Byong Gwan (Institute of Industrial Medicine & Department of Occupational and Environmental Medicine, Busan Paik Hospital, Inje University) ;
  • Son, Byung Chul (Institute of Industrial Medicine & Department of Occupational and Environmental Medicine, Busan Paik Hospital, Inje University) ;
  • Moon, Deog Hwan (Institute of Industrial Medicine & Department of Occupational and Environmental Medicine, Busan Paik Hospital, Inje University)
  • 박준제 (인제대학교 산업의학연구소 및 부산백병원 산업의학과) ;
  • 선병관 (인제대학교 산업의학연구소 및 부산백병원 산업의학과) ;
  • 손병철 (인제대학교 산업의학연구소 및 부산백병원 산업의학과) ;
  • 문덕환 (인제대학교 산업의학연구소 및 부산백병원 산업의학과)
  • Received : 2005.09.12
  • Accepted : 2006.03.29
  • Published : 2006.03.31
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Abstract

This study aimed to prepare the fundamental data and assess the status and trend of exposure level for 5 chemical substances such as sulfuric acid, hydrogen chloride, ammonia, formaldehyde and phenol in manufacturing industry by type of industry, working process, and size of factory, chronological change. Subjects related to this study consist of 146 factories, 12 industries and 17 working processes located in Busan area from Jan. 1997 to Dec. 2001. 1. All 5 kinds of chemical substances by type of industry, working process were generated in chemical manufacturing industry. There were founded in 8 types of industries and 13 types of working processes for ammonia, which is the highest number of in all 5 chemical substances. 2. In terms of the exposure level for 5 chemical substances by type of industry, working process, geometric mean concentration for sulfuric acid was $0.40mg/m^3$ in manufacture of chemicals and chemical products, $0.30mg/m^3$ in compounding process, for hydrogen chloride was 0.57 ppm in manufacture of basic metal, 0.48 ppm in dyeing process, for ammonia was 1.11 ppm in manufacture of rubber and plastic products, 0.94 ppm in buffing process, for formaldehyde was 0.49 ppm in manufacture of wood and of products of wood and cork, except furniture; manufacture of articles straw and plating materials, 0.53 ppm in mixing process, and for phenol were 0.53 ppm in manufacture of chemical and chemical products, 0.55 ppm in compounding process, respectively. Results for 5 chemical substances by type of industry and working process were significantly higher than those of the others(p<0.05). 3. The exposure level for hydrogen chloride, formaldehyde were significantly increased by size of industry (p<0.01). ammonia was significantly decreased by size of industry (p<0.01). 4. In trend of the concentration difference of five chemical substances by chronology, geometric mean concentration for sulfuric acid was significantly increased (p<0.01), hydrogen chloride and ammonia were significantly decreased by year (p<0.05) and for formaldehyde and phenol were decreased in chronological change. According to the above results 5 chemical substances were founded together in a way mixed in the same places one another and concentrations of chemical substances by industry, working process, size of industry and year appeared markedly. The authors recommend more systemic and effective work environmental management should be conducted in workplaces generating five chemical substances.

Keywords

Acknowledgement

Supported by : 인제대학교

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