Kameneva Viktoria V. RussiaSaratov State Polytechnical University named after Gagarin Yu. A., 410054, Saratov, Polytechnical str., 77cameneva2012@yandex.ru Author's articles Study of the Effectiveness of Using a Saprophytic Strain of Bacteria Bacillus pumilus for the Disposal of Xenobiotics of Hazard Class I–II