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(2) Lead is used as an activator in the fluorescent powder of discharge lamps that are used for extracorporeal photopheresis lamps containing BSP (BaSi_(2)O_(5):Pb) phosphors. A scientifically and technically practicable possibility for substitution or elimination of lead in this application is currently not available.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-20 · Text as adopted (Official Journal); later amendments are not incorporated in this text.