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Mining Publication: Technology News 431 - Apparatus for Sampling and Measuring Diesel Tailpipe Emissions
Keywords: Coal mining Diesel exhaust Diesel particulate matter Particulate matter measures
Original creation date: April 1994
Authors: Bureau of Mines
Technology News - April 1994
Download PDF Document (0.05 MB)
NIOSHTIC2 Number: 20022644
U.S. Department of the Interior, Bureau of Mines, Technology News 431, 1994 Apr :1-2
The objective is to develop a portable emissions measurement apparatus to sample and measure tailpipe concentrations of diesel particulate matter (DPM), carbon monoxide (CO), carbon dioxide (CO2), nitric oxide (NO), and nitrogen dioxide (NO2) under steady-state engine load and speed conditions during a 1-minute test. The U.S. Bureau of Mines (USBM) has a comprehensive research program to develop ways to reduce exposure of miners to diesel exhaust pollutants. Engine maintenance has been shown to have important effects on such exposure. Accurate measurements of tailpipe emissions are becoming an essential part of a good maintenance program for underground mines that use diesel-powered vehicles. Past studies of particulates in U.S. underground coal mines have shown that SPM alone may be present at concentrations greater than 1 milligram per cubic meter (mg/m3), half the 2-mg/m3 limit for respirable coal mine dust. A poorly tuned (smoking) diesel engine may be the sole cause for respirable dust concentrations exceeding the limit. Although there is currently no standard specifically for DPM in U.S. mines, regulatory steps are underway, and significant reductions of DPM levels in both coal and metal mines will most likely be required.
Image of publication Technology News 431 - Apparatus for Sampling and Measuring Diesel Tailpipe EmissionsTechnology News - April 1994
Download PDF Document (0.05 MB)
NIOSHTIC2 Number: 20022644
U.S. Department of the Interior, Bureau of Mines, Technology News 431, 1994 Apr :1-2
See Also
A Computer Software Program that Estimates Air Quantity Requirements in Large Opening Stone Mines
Diesel Exhaust Aerosol, Review of Measurement Technology
Differential Pressure as a Measure of Particulate Matter Emissions from Diesel Engines
Evaluation of a Wearable Monitor for Measuring Real-time Diesel Particulate Matter Concentrations in Several Underground Mines
Evaluation of the SKC� DPM Cassette for Monitoring Diesel Particulate Matter in Coal Mines
Instrumentation for Diesel Particulate Matter Emissions Research
Real-time Diesel Particulate Monitor for Underground Mines
Size Distribution and Deposition in Human Respiratory Tract: Particle Mass and Number
Technology News 514 - The Air Quantity Estimator (AQE): A New Computer Software Tool for Large-opening Mine Ventilation Planning
Underground Mine Diesel Particulate Monitor Network
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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