[Manganese impregnation in miners of the Ogooue Mining Company at Moanda (Gabon)].

Abstract

Analyses on manganese noxiousness have been carried out various working stations of Moanda. The men who are most exposed work in the grinding and packing posts. In the occupational surroundings we have rates of 146.42 mg/m3 of manganese while in the blood the values turn around 2.310 micrograms/l.