D2013 Annex A1, Method of checking the precision of sample preparation and analysis especially Section A1.2 Procedure was reviewed. The wording of the procedure needs updates to clarify the instructions and reduce the time needed to understand the procedure. These changes should also reduce errors of interpretation. In addition, a flow sheet/flow chart of the procedure is proposed for insertion into the standard that follows the existing procedure, as a visual aid to further improve the readers understanding. These changes are not considered a revision to the existing way of performing the annex, but it is hoped the changes will improve readability and make the procedure easier to understand and perform.
Keywordscoal; composite; division; reduction; Coal sampling systems;
Draft Under Development