The environmental safety of the main oxides used in the production of refractories has been assessed. The chemical and mineral compositions of sludge samples from sludge storage facility No. 1 of Russian Chrome 1915 JSC are presented. A design of an environmentally friendly waste landfill is recommended. A movable covering device for surfaces large in length and volume, as well as a device for laying a waterproof cloth under passing or opposite wind load in relation to the trolley movement direction, is proposed.