ASTM D6721-01(2006)

D3180-15(2023)

Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases

D4621-99

Standard Guide for Quality Management in an Organization That Samples or Tests Coal and Coke

D5142-09

Standard Test Methods for Proximate Analysis of the Analysis Sample of Coal and Coke by Instrumental Procedures (Withdrawn 2010)

E29-22

Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

E691-23

Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

ISO 5725-6:1994

Accuracy of measurement methods and results-Part 6: Use in practice of accuracy values Available from International Organization for Standardization 1 Rue de Varemb, Case Postale 56, CH-1211, Geneva 20, Switzerland

D2013-07

Standard Practice for Preparing Coal Samples for Analysis

D3173-11

Standard Test Method for Moisture in the Analysis Sample of Coal and Coke