%0 Journal Article %9 journal article %J Mining Science %@ 2300-9586 %V 21 %N 1 %D 2014 %F Filipczyk2014 %T Heterogeneity of normative tests results of aggregates. Problems, analysis, prevention %X The article presents an analysis of factors affecting the homogeneity (and more specifically reproducibility) the results of properties of aggregates according to European standards EN. The authors try to find reasons for the large dispersions of results that shown in the tests. The analysis was based on the research carried out in 2009–2013 under the quality control of laboratory accredited by PCA. %A Filipczyk, Michał %A Kukielska, Danuta %P 37-48 %U http://www.miningscience.pwr.edu.pl/Heterogeneity-of-normative-tests-results-of-aggregates-Problems-analysis-prevention,59636,0,2.html