An apparatus 10 for removing radioactive contamination from a metal article A1 (preferably a low melting point metal for example lead and/or an alloy thereof). The apparatus 10 comprises a heated first vessel 100A for melting the metal, at least in part, a casting means 200 for forming a second article A2 (preferaby a sheet, having a predetermined thickness T), from the melt, (preferably said casting means 200 comprises a rotatable roller 210 arrangeable to contact the melt M to thereby form ), a set of radiation detectors 300, including a first radiation detector 300A, arranged to detect the radioactive contamination, if present, and a cutter 400 arrangeable to excise the first part P1 of the second article A2 therefrom. IN the method, the cutter 400 is activated in response to the detection of radiation.
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