This standard applies to brown and hard coals, anthracites, lignites and oil shale with a particle size of up to 300 mm and establishes a method
GOST 27379-1987 Referenced Document
GOST 10742-1971 Brown coals, hard coals, anthracite, combustible shales and coal briquettes. Methods of sampling and preparation of samples for laboratory tests
GOST 27379-1987 history
1987GOST 27379-1987 Solid mineral fuel. Methods for determination of sampling and sample preparation errors