Air Quality in the Quarry Working Environment in Edo State, Nigeria

Abstract

Aim: To estimate the concentration of dust (air quality) in the quarry industry in Edo State with a view to 
protecting workers in this industry from respiratory problems.
Methods: The study was carried out in Edo State which is in the South-South geopolitical zone of 
Nigeria. The quarry locations have natural deposits of large stones and the substances quarried in the
sites include granite, limestone, and dolomite.
4The study was conducted using a cross-sectional
analytical study design. Total population of all eligible quarry sites (six) who met the inclusion criteria
were recruited for the study. Measurement of total dust concentration with the aid of a dust meter
(CEL-712 Microdust pro) in workplace environment in six dust producing sites and control environment 
were carried out. Observational check list was used in both the quarries and control sites. Data were 
analysed with the aid of IBM SPSS version 20.0 software