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The National Institute for Occupational Safety and Health (NIOSH)





Mining Publication: Methods to Lower the Dust Exposure of Bag Machine Operators and Bag Stackers
Keywords: Bagging Dust control Exposure tracking Processing plants Respirable dust
Original creation date: October 2000
Authors: AB Cecala, RJ Timko, ED Thimons
Peer Reviewed Journal Article - October 2000
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NIOSHTIC2 Number: 20022720
Appl Occup Env Hyg 2000 Oct; 15(10):751-765
This article reviews various dust control technologies developed over the years at the Pittsburgh Research Laboratory of the National Institute for Occupational Safety and Health (NIOSH) to provide various options and alternatives to lower bag machine operators' and bag stackers' dust exposures. Dust exposure records for the past 20 years show that bag machine operators and bag stackers normally have the highest respirable dust exposures of workers at mineral processing plants. A substantial amount of research has been performed over the years to minimize the dust exposure to these workers and the intent is to present all this information together in one article. Most of the research describes engineering controls that were adapted to existing facilities to reduce the dust generated during bag filling, bag conveying, and bag stacking. In some cases, a single technique succeeded in lowering respirable dust concentrations for all three processes, thus reducing the dust exposure to both the bag machine operator and the bag stacker. In other cases, a technique was developed to specifically reduce the dust exposure of one process or the other.This research also reviews various controls for secondary dust exposure, including general ventilation requirements to mill buildings, the effects of background dust sources, and personal work practices. This information is presented to help industrial hygienists, plant managers, engineers, and workers lower the dust exposure of bag machine operators and bag stackers.
Peer Reviewed Journal Article - October 2000
Go to Web Page
NIOSHTIC2 Number: 20022720
Appl Occup Env Hyg 2000 Oct; 15(10):751-765
See Also
Bag and Belt Cleaner Reduces Employee Dust Exposure
Control of Respirable Dust
Dust Underfoot: Enclosed Cab Floor Heaters Can Significantly Increase Operator's Respirable Dust Exposure
Evaluation of the Approach to Respirable Quartz Exposure Control in U.S. Coal Mines
Improved Drill Shroud Capture of Respirable Dust Utilizing Air Nozzles Underneath the Drill Deck
Improving Silica Dust Control Through Targeted Research
Improving the Performance of Fan-Powered Dust Collectors in Stone-Cutting Applications
Infographics: Helping Mines Control Respirable Silica Dust
Laboratory Testing To Quantify Dust Entrainment During Shield Advance
Performance of a Light Scattering Dust Monitor at Various Air Velocities: Results of Sampling in the Active Versus the Passive Mode
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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