Hard Coal laboratories may also do the following tests:

Energy Content Testing: Measures the calorific value of anthracite to ensure optimal energy yield for heating and industrial uses Testing
Emission Testing: Evaluates the emissions produced when anthracite is burned Testing
particularly focusing on sulfur and volatile compounds Testing
Impurity Analysis: Assesses the purity of anthracite Testing
looking for non-carbon elements which could affect its burning properties and applications Testing
Moisture Content Testing: Determines the moisture level in anthracite Testing
which can influence its efficiency as a fuel Testing