FIELD: protection of soil and ground water; organization of impervious screens for eliminating pollution by liquid hydrocarbons. SUBSTANCE: tilted holes are bored below sludge storage bottom until distance between opposing borehole bottoms equals value found from equation given in invention. Bored holes are encased by perforated pipes communicating with sludge storage; setting mixture is injected through pipes and further advanced through perforated- pipe holes. Setting mixture is forced to bed through borehole bottoms as soon as utmost depth is attained. EFFECT: reduced cost of process and time taken to eliminate pollutants; improved environmental friendliness. 2 cl, 1 dwg
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