ASTM D6883-03a
Standard Practice for Manual Sampling of Stationary Coal from Railroad Cars, Barges, Trucks, or Stockpiles
standard by ASTM International, 10/01/2003
ASTM A213/A213M-03c
Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
standard by ASTM International, 10/01/2003