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. 2009:2009:281876.
doi: 10.1155/2009/281876. Epub 2009 Jun 23.

Exposure of petrol station attendants and auto mechanics to premium motor sprit fumes in Calabar, Nigeria

N E Udonwa  1 , E K Uko, B M Ikpeme, I A Ibanga, B O Okon
Affiliations

Exposure of petrol station attendants and auto mechanics to premium motor sprit fumes in Calabar, Nigeria

N E Udonwa et al. J Environ Public Health. 2009.

Abstract

A population-based-cross-sectional survey was carried out to investigate the potential risk of exposure to premium motor spirit (PMS) fumes in Calabar, Nigeria, among Automobile Mechanics (AM), Petrol Station Attendants (PSA) and the general population. Structured questionnaire was administered on the randomly chosen subjects to elicit information on their exposure to PMS. Duration of exposure was taken as the length of work in their various occupations. Venous blood was taken for methaemoglobin (MetHb) and packed cells volume (PCV). Mean MetHb value was higher in AM (7.3%) and PSA (5.8%) than in the subjects from the general population (2.7%). PCV was lower in PSA (30.8%), than AM (33.3%) and the subjects from the general population (40.8%). MetHb level was directly proportional, and PCV inversely related, to the duration of exposure. The study suggested increased exposure to petrol fumes among AM, PSA, and MetHb as a useful biomarker in determining the level of exposure to benzene in petrol vapour.

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Figures

Figure 1
Figure 1
MetHb (%) and PCV (%) levels in Automobile Mechanics (AM), Petrol Station Attendants (PSA) and Controls.
See this image and copyright information in PMC

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