Volume 7, Number 4 (winter 2011)                   ioh 2011, 7(4): 4-0 | Back to browse issues page

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Jahangiri M, Motovagheh M. Health Risk Assessment of Harmful Chemicals: Case Study in a Petrochemical Industry. ioh. 2011; 7 (4) :4-0
URL: http://ioh.iums.ac.ir/article-1-392-en.html

Tehran University of Medical Sciences, Tehran, Iran , mhjahangiri@razi.tums.ac.ir
Abstract:   (10964 Views)

  Background and aims

 In the most chemical process industries, workers are exposed to various chemicals and working with these chemicals without considering safety and health considerations can lead to different harmful symptoms. For deciding about control measures and reducing risk to acceptable level , it is necessary to assess the health risk of exposing to harmful chemicals by aid of specific risk assessment techniques in the process industries. The purpose of this study was to assess the health risks arising from the exposures to chemicals in a petrochemical industry.


 A simple and applied method was used for health risk assessment of chemicals in a petrochemical industry. Firstly job tasks and work process were determined and then different chemicals in each tasks identified and risk ranking was calculated in each job task by aid of hazard and exposure rate.


 The result showed that workers are exposed to 10 chemicals including Methyl ethyl ketone, Epichlorohydrin, Sulfuric acid, Phenol, Chlorobenzene, Toluene, Isopropanol, Methylene chloride, Chlorideric Acid and Acetone during their work in plant. From these chemicals, the highest risk level was for Epichlorohydrin in the jobs of tank and utility operations and maintenance workers. The next high risk level was for Epichlorohydrin in technical inspecting and Methyl ethyl ketone in Tank and utility operations operator.



 Hazard information and monitoring data of chemical agents in the chemical industries can be used for assessing health risks from exposures to chemicals and ranking jobs by their risk level. These data can be used for resource allocation for control measures and reducing risk level to acceptable level.



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Subject: Safety
Received: 2011/04/10

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