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Control of dust in hard-rock tunnels.

Authors
Kissell-FN
Source
Handbook for dust control in mining. Pittsburgh, PA: National Institute for Occupational Safety and Health, 2003 Jun; :97-107
NIOSHTIC No.
20023391
Abstract
In this chapter: finding the dust source; ventilation and dust collector malfunctions; upgrading the dust controls; design stage ventilation planning. This chapter explains how to reduce respirable dust in hard-rock tunnels during excavation by using tunnel boring machines (TBMs). The first steps in combating a dust problem are to take dust samples to pinpoint the source, check the ventilation system, and check the dust collector. If the ventilation system and dust collector are operating properly, then other dust controls such as water sprays and conveyor belt scrapers must be upgraded. For tunnels in the design stage, recommended air quantities are provided.
Keywords
Dust-control; Dust-control-equipment; Underground-mining; Airborne-dusts; Ventilation; Sprays; Dust-collection; Dust-collectors; Control-technology; Engineering-controls
Publication Date
20030730
Document Type
Book or book chapter
Editors
Kissell-FN
Fiscal Year
2003
NTIS Accession No.
NTIS Price
NIOSH Division
PRL
Priority Area
Research Tools and Approaches: Exposure Assessment Methods
Source Name
Handbook for Dust Control in Mining
State
PA
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