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Probabilistic Risk Assessment of Occupational Exposure to Volatile Organic Compounds in the Rendering Plant of a Poultry Slaughterhouse Publisher Pubmed



Omidi F1 ; Dehghani F2 ; Fallahzadeh RA3 ; Miri M4 ; Taghavi M5 ; Eynipour A6
Authors
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Authors Affiliations
  1. 1. Department of Occupational Health Engineering, School of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
  2. 2. Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Environmental Science and Technology Research Center, Department of Environmental Health Engineering, Member of Student Research Committee, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
  4. 4. Cellular and Molecular Research Center, Department of Environmental Health, School of Public Health, Sabzevar University of Medical Sciences, Sabzevar, Iran
  5. 5. Department of Environmental Health, School of Public Health, Social Development & Promotion Research Center, Gonabad University of Medical Sciences, Gonabad, Iran
  6. 6. Department of Ergonomics, School of Health, Hamedan University of Medical Sciences, Hamedan, Iran

Source: Ecotoxicology and Environmental Safety Published:2019


Abstract

In this study, occupational exposure to volatile organic compounds (VOCs) in the rendering plant of poultry slaughterhouse was determined and subsequently, carcinogen and non-carcinogenic risks were assessed using the US Environmental Protection Agency (USEPA). National Institute for Occupational Safety and Health (NIOSH) methods of 1501 and 1600 were used to measure VOCs in the breathing zone of the workers. Samples were analyzed by GC/MS. Carcinogenic and non-carcinogenic risks and sensitivity analysis were carried out using Monte Carlo simulations technique. The concentration of benzene and CS 2 was higher than the occupational exposure limits (OEL). The hazard quotient (HQ) values for all measured compounds was more than 1, which indicating the high potential for non-carcinogenic risks. Furthermore, the calculated Lifetime Cancer Risks (LCR) for carcinogenic compounds revealed that cancer risk due to benzene is higher than the maximum acceptable level provided by USEPA (10 −6 ). Based on the sensitivity analysis, the concentration and exposure frequency are the most important variable influencing both carcinogen and non-carcinogenic risks. Therefore, the concentration levels of the VOCs and exposure frequency should be controlled using engineering control measures. © 2019 Elsevier Inc.
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