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An exposure assessment of a laboratory assistant to hazardous chemical substances

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dc.contributor.author Franken, Anja en_US
dc.contributor.author Eloff, Frederik C en_US
dc.contributor.author Du Plessis, Johan L en_US
dc.contributor.author Van Aarde, Michiel Nico en_US
dc.contributor.author Laubscher, Petrus J en_US
dc.date.accessioned 2010-08-04T15:36:12Z
dc.date.available 2010-08-04T15:36:12Z
dc.date.issued 2009 en_US
dc.identifier.citation FRANKEN, A., ELOFF, F.C., DU PLESSIS, J.L., VAN AARDE, M.N. & LAUBSCHER, P.J. 2009. An exposure assessment of a laboratory assistant to hazardous chemical substances. Occupational Health Southern Africa. :16-18, Sept/Oct. [http://www.occhealth.co.za/index.php?ref=home] en_US
dc.identifier.issn 1024-6274
dc.identifier.uri http://hdl.handle.net/10394/3400
dc.description.abstract A survey was conducted to measure exposure to hazardous chemical substances of a laboratory assistant working in a university laboratory, who complained of symptoms that could be indicative of chemical absorption. This case study describes the survey to quantify the exposure in order to determine whether it exceeded safety limits and recommend preventative measures if indicated. Exposure was sampled using a direct reading photo-ionization detector and coconut charcoal sorbent tubes. An additive effect between the different hazardous chemicals was identifi ed. The 8-hour TWA exposure to acetone and dichloromethane was well below the occupational exposure limits, but was more than double the OEL-RL for chloroform. It was also likely that the OEL-STEL for dichloromethane (methylene chloride) was exceeded. Immediate removal for medical assessment and improved preventative measures were recommended.
dc.language Afrikaans
dc.publisher Nutrition and Consumer Sciences, North-West University
dc.subject exposure assessment
dc.subject hazardous chemical substances
dc.subject laboratory assistant
dc.title An exposure assessment of a laboratory assistant to hazardous chemical substances en_US


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