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The electron gun of the CRT contains a small getter plate

The electron gun of the CRT contains a small getter plate (about 1-2 grams including frame), and bears barium and barium compounds (barium oxide is considered as a harmful substance). During the shredding operation,the CRT screen getter can release harmful barium dust. Therefore, several countries require its removal. Once removed, the getters should be stored separately, away from any source of moisture since barium is a leachable and easily solvable substance. They must be sent to a specialised industry that can incinerate them in an environmentally sound manner. The electron gun itself can be sent to a recycling facility that can reclaim the copper it contains.