Results 11 - 13 of 13

• Field Method for the Determination of Insoluble or Total Hexavalent Chromium in Workplace Air
  9/1/2004 - Peer reviewed journal articles
  National Institute for Occupational Safety and Health method 7703 is a portable field procedure for the analysis of workplace air filter samples for hexavalent chromium (CrVI) content immediately after the samples are collected. The field method prescri...
• Inaccuracy of Area Sampling for Measuring the Dust Exposure of Mining Machine Operators in Coal Mines
  2/1/2002 - Peer reviewed journal articles
  This study examines the accuracy of area sampling for measuring the dust exposure of mining machine operators at coal mine working faces. The work was prompted by the development of a prospective new type of dust sampling instrument called the machine-...
• Rapid Sampling of Products During Coal Mine Explosions
  2/1/1991 - Peer reviewed journal articles
  This paper describes a U.S. Bureau of Mines investigation of large-scale coal dust explosions in an experimental mine using a high-speed electropneumatic mechanism for rapid grab-sampling of gases and dusts and shows the benefits of the technique.