Abstract
This paper presents technical improvements, inside the manufacture, in the place of work of small enterprises. These techniques are been applied to contaminated inhabit of work in factories, battery recovery companies and lead foundry. The contamination was verified by clinical and ambient evaluation. Lead exposure investigation and contamination of workers accomplished it so as ambient contamination of surrounding areas around those enterprises. This paper was generated by a project under development in CESTEH/ENSP/ FIOCRUZ with two main objectives: a) to develop a biological indicator of effect, in order to prevent possible health damages to the workers; b) to identify low cost techniques looking for air quality improvement around works place of those enterprises.
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