Abstract: A decontamination unit (1) for decontaminating soil of an area (19) of the ground (16) from harmful substances, wherein the decontamination unit (1) comprises: a body (2) comprising an outer coating (3) of a fluid permeable material and an absorbent material (4), for absorbing of the harmful substances, enclosed within the outer coating (3) and a hose (5) having an intermediate perforated part (6) arranged in the absorbent material (4) inside the body (2), and a first end part (7) and a second end part (8) protruding from a respective first end (9) and second end (10) of the body (2), wherein the first end part (9) and the second end part (10) are connectable to another decontamination unit or to a fluid handling device to permit fluid communication to and from the hose (5). A method for decontaminating soil of an area (19) of the ground (16) is also described herein.

Abstract: A method and a device for decontaminating soil on the spot from harmful substances. In the soil one or several horizontally drilled holes (10) are arranged debouching into the ground surface. In the hole a chord (16) is inserted in form of a hose or a number of interconnected sockets, in which reactive sorbents are stored. The chord (16) remains in the ground during a sufficiently long period for achieving a desired decontamination of the soil.