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Mining Publication: Relationship Between Elemental Carbon, Total Carbon, and Diesel Particulate Matter in Several Underground Metal/nonmetal Mines
Keywords: Diesel particulate matter Elemental carbon fraction Metal mining Nonmetal mining Organic carbon fraction 
 Total carbon
Original creation date: February 2007
Authors: JD Noll, AD Bugarski, LD Patts, SE Mischler, LJ McWilliams
Peer Reviewed Journal Article - February 2007
Download PDF Document (0.51 MB)
NIOSHTIC2 Number: 20031650
Environ Sci Technol 2007 Feb; 41(3):710-716
Elemental carbon (EC) is currently used as a surrogate for diesel particulate matter (DPM) in underground mines since it can be accurately measured at low concentrations and diesels are the only source of submicrometer EC in underground mines. A disadvantage of using EC as a surrogate for DPM is that the fraction of EC in DPM is a function of various engine parameters and fuel formulations, etc. In order to evaluate how EC predicts DPM in the underground mining atmosphere, measurements of total carbon (TC; representing over 80% of the DPM) and EC were taken away from potential interferences in four underground metal/non-metal mines during actual production. In a controlled atmosphere, DPM mass, TIC, and EC measurements were also collected while several different types of vehicles simulated production with and without different types of control technologies. When diesel particulate filters (DPFs) were not used, both studies showed that EC could be used to predict DPM mass or TC. The variability of the data started to increase at TIC concentrations below 230 mu g/m(3) and was high (>+/- 20%) at TC concentrations below 160 mu g/m(3), probably due to the problem with sampling organic carbon (OC) at these concentrations. It was also discovered that when certain DPFs were used, the relationship between DPM and EC changed at lower DPM concentrations.
Image of publication Relationship Between Elemental Carbon, Total Carbon, and Diesel Particulate Matter in Several Underground Metal/nonmetal MinesPeer Reviewed Journal Article - February 2007
Download PDF Document (0.51 MB)
NIOSHTIC2 Number: 20031650
Environ Sci Technol 2007 Feb; 41(3):710-716
See Also
Field Evaluation of Diesel Particulate Matter Using Portable Elemental Carbon Monitors
Novel Stopping Designs for Large-Opening Metal/Nonmetal Mines
Propagation of EM Signals in Underground Metal/Non-Metal Mines
The Relationship between Elemental Carbon and Diesel Particulate Matter in Underground Metal/Nonmetal Mines in the United States and Coal Mines in Australia
Silica Dust Sources in Underground Metal/Nonmetal Mines - Two Case Studies
Technology News 491 - NIOSH Releases Two New Safety Training Videos
Technology News 501 - Measuring Very Low Air Velocities in Underground Metal/Nonmetal Mines
Technology News 518 - Super Stopping: A Permanent Solid Stopping for Directing Ventilation Airflows in Large-opening Metal/Nonmetal Mines
Technology News 519 - EZ-Up Curtain Stoppings: A Practical Solution for Directing Ventilation Airflows in Large-opening Metal/Nonmetal Mines
Toward developing a new occupational exposure metric approach for characterization of diesel aerosols
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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