Noise Assessment of Stone/Aggregate Mines: Six Case Studies
Mining consists of Quarry Primary crusher Inside control room 67 ... (A, B and Primary crusher operator 1 Na C). Measurements were Plant operator 1 Na taken around transfer Plant helper 3 Na points, belts, crushers ag lime control room operator 1 Na and screens, control rooms, miscellaneous Na = not applicable . 58 August 2007 Mining EnginEEring Figure 3 s id e thca .