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ASSESSMENT OF THE QUALITY OF LUNAR SAMPLES

The aim of the research is to assess the reproducibility of analyses of the chemical composition of lunar samples and to study the quality of lunar regolith. As a result of the space expeditions "Moon" and "Apollo" performed by the USSR and the United States, numerous lunar samples were delivered to Earth. This paper explores two aspects of assessing the quality of lunar samples. 1) Reproducibility of analyses. Assessment of errors of determining the concentrations of chemical elements in lunar samples. 2) Assessment of the quality of the lunar regolith by the magnitude of the differences with the composition of the earth's soil (geoecological quality assessment). Geoecological assessment of the quality of the composition of the lunar regolith was made for the first time. Comparison of the chemical composition of the regolith delivered by the Luna-16 space expedition with the composition of terrestrial soils at concentrations of 30 elements has been made. It is determined that the lunar soil in the concentrations of many elements is significantly different from the earths. The geoecological situation is rated as a "crisis". 