Indian Journal of Science and Technology

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The present study reports the systematic noise monitoring inside the work zone area of a chromite mining complex for the Heavy duty, Medium duty and Light duty vehicles in summer 2008 and winter 2009 to estimate the degree of association among the heavy earth moving machineries (HEMMs). The Chi-square test reveals that 0.757 is the degree of association between the heavy duty vehicles (p<0.05) and noise levels, 0.928 and 0.354 are the degree of association for the medium duty vehicles (p<0.10) and light duty vehicles (p<0.05), respectively. The dozer operators are found to be exposed to the highest noise levels as well the other workmen who are engaged in the mining activities in and around the dozers. Since, the value 0.928 is the maximum for all the HEMMs and is exhibited for the medium duty vehicles, it can be concluded that confirmation of strong association between the noise levels and the dozers

Keywords

Noise Pollution, Mining Industry, Odisha, India
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