2007ASTM D4702-07 Standard Practice for Quality Management of Mechanical Coal Sampling Systems
2006ASTM D4702-06 Standard Practice for Quality Management of Mechanical Coal Sampling Systems
2004ASTM D4702-04 Standard Guide for Quality Management of Mechanical Coal Sampling Systems
2003ASTM D4702-03a Standard Guide for Quality Management of Mechanical Coal Sampling Systems
2003ASTM D4702-03 Standard Guide for Inspecting Crosscut, Sweep-Arm, and Auger Mechanical Coal-Sampling Systems for Conformance with Current ASTM Standards
2003ASTM D4702-97(2003) Standard Guide for Inspecting Crosscut, Sweep-Arm, and Auger Mechanical Coal-Sampling Systems for Conformance with Current ASTM Standards
1997ASTM D4702-97 Standard Guide for Inspecting Crosscut, Sweep-Arm, and Auger Mechanical Coal-Sampling Systems for Conformance with Current ASTM Standards