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In-cab air filtration in plant vehicles to control exposure to hazardous dust
Quarry industry example Tackling occupational lung disease is a priority for HSE. In-cab air filtration systems are installed on plant vehicles used in a wide range of industries where drivers can potentially breathe in hazardous airborne dust, such as farming, waste management and quarrying. Plant vehicles include tractors, diggers, dumper trucks, excavators and mechanical shovels. However, little is known about the effectiveness of in-cab air filtration as a control measure. This report describes research to develop this evidence; the research was carried out with the support of the quarry industry...
Assainissement de l'air des cabines d'engins mobiles
Le recours à une cabine pressurisée à air épuré est recommandé pour limiter l'exposition des conducteurs d'engins évoluant dans des atmosphères susceptibles d'être dangereuses pour la santé. L'objectif de cet aide-mémoire technique est d'édicter des recommandations pour les cabines pressurisées à air épuré en termes de performances, de réception, d'utilisation, de contrôle et de maintenance. Il est destiné à toute personne chargée...
Investigation of the parameters that influence the effectiveness of a bench top partial enclosure
Bench top partial enclosures are frequently used in industry to control airborne contaminants. These hoods tend to be of basic design and often consist of nothing more than a box like structure with an open front to allow worker access and extraction at the rear to remove contaminated air. With this type of design the worker is forced to stand at the face of the enclosure and by doing so presents a blockage to the airflow that creates a ‘wake' in front of the worker. Any release of contaminant into the recirculating wake region has the propensity to enter the worker's breathing zone...
Key Design Factors of Enclosed Cab Dust Filtration Systems
Enclosed cabs are a primary means of reducing the silica dust exposure of equipment operators at surface mines. The National Institute for Occupational Safety and Health experimentally investigated various factor effects on cab air filtration system performance. The factors investigated were intake filter efficiency, intake air leakage, intake filter loading (filter flow resistance), recirculation filter use, and wind effects on cab particulate penetration. http://www.cdc.gov/niosh/mining/pubs/pubreference/outputid3048.htm

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