Szukana fraza: [Abstract = "The maximum content of Zn, Cu, Pb and Cd were respectively\: 685, 146, 716 and 1.7 mg\?kg\-1. These amounts were higher than acceptable level for I group of grounds\: seven times in respect of lead, twice in case of zinc according Regulation of Minister of Environment from 1 September 2016 \[Dz.U. 2016 nr 0 poz. 1395\]."]