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

Korean Industrial Hygiene Association (한국산업보건학회)
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A Study on the Biological Hazards Exposure for Waste Handling Industries in Korea

국내 폐기물 취급업의 생물학적 인자 노출실태

  • Park, Hyunhee (Occupational Safety and Health Research Institute, Korea Occupational Safety and Health Agency) ;
  • Park, Hae Dong (Occupational Safety and Health Research Institute, Korea Occupational Safety and Health Agency) ;
  • Lee, Inseop (Occupational Safety and Health Research Institute, Korea Occupational Safety and Health Agency)
  • 박현희 (한국산업안전보건공단 산업안전보건연구원) ;
  • 박해동 (한국산업안전보건공단 산업안전보건연구원) ;
  • 이인섭 (한국산업안전보건공단 산업안전보건연구원)
  • Published : 2012.12.31
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Abstract

Objectives: The aim of this study was to investigate the distribution patterns and exposure concentrations of biological hazards in waste handling industries. Methods: We selected 3 recyclable waste sorting plants(RWS), 2 food recycling plants(FR), 1 landfill area(LA) and 1 waste incineration plant(WI). Total airborne bacteria and fungi were measured with single stage impactor and gelatin filters. Endotoxin and glucan were measured with polycarbonate filters in total and respirable dust. Results: The geometric mean of airborne bacterial concentration was the highest in FR($3,273CFU/m^3$), followed by LA, RWS, and WI as 1,334, 934, and $860CFU/m^3$. The fungal concentrations were 6,031, 5,052, 3,307, and $713CFU/m^3$ in RWS, WI, FR, and LA, respectively. By process, WI pit showed the highest concentrations of bacteria, fungi, and endotoxin, followed by inside of bulldozer in LA. The indoor to outdoor ratios of bacteria, fungi, endotoxin and glucan were 2.3, 4.0, 2.3, and 5.0 in RWS, 29.5, 4.9, 7.6, and 5.0 in FR, 5.3, 8.7, 26.8, and 9.5 in WI, respectively. Conclusions: We found that biological hazards, specifically bacteria in FR, fungi in RWS and endotoxin in WI pit and bulldozer at LA, should be controlled to prevent worker's respiratory diseases.

Keywords

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