View Historical Standards for D388:

Click any Designation link to view a Document Summary Description.

Document Designation and Title Year Select Item(s) D388 Standard Classification of Coals by Rank 05 D388 Standard Classification of Coals by Rank 99(2004)e1 D388 Standard Classification of Coals by Rank 99e1 D388 Standard Classification of Coals by Rank 99 D388 Standard Classification of Coals by Rank 98 D388 Standard Classification of Coals by Rank 95 D388 Standard Classification of Coals by Rank 92 D388 Standard Classification of Coals by Rank 91a D388 Standard Classification of Coals by Rank 91 D388 Standard Classification of Coals by Rank 90 D388 Standard Classification of Coals by Rank 88 D388 Standard Specification for Classification Of Coals By Rank 77