Conditions of the chromatography analyses of essential oils providing the yield of all components with the contents over 0.01% were selected. Essential oils of 10 samples of Norway spruce growing in
the same edaphic-climatic conditions of the park UE “Brovki” were obtained by hydrodistillation. Qualitative and quantitative analyses of the received essential oils were performed. More than 50 components composing the essential oil were identified. The obtained statistic data allowed to calculate
standard deviation of repeatability, standard deviation of intermediate precision with a variable factor “time + operator”, expanded uncertainty of measurement results for the confidence level P = 0,95