RETRACTED: Rapid assessment of soil contamination in case of a technogenic emergency situationA.V. Kalach, N.V. Elfimov, E.A. Sagirov, S.A. Nefedov and P.M. AgeevE3S Web Conf., 420 (2023) 03007DOI: https://doi.org/10.1051/e3sconf/202342003007