ASTM D4798-04
Standard Practice for Accelerated Weathering Test Conditions and Procedures for Bituminous Materials (Xenon-Arc Method)
standard by ASTM International, 11/01/2004
ASTM D2639-04
Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
standard by ASTM International, 11/01/2004