2016_Imaging for Physicists

WHO grades

• Group 1: carcinogenic (X-rays, UVA, UVB, UVC, Arsenic, Asbestos,….) • Group 2A: probably carcinogenic (Akrylamid, Diesel exhaust, Cisplatin, …) • Group 2B: possibly carcinogenic (Coffee , Lead, Titanium dioxid,..) • Group 3: Not possible to classify (Cholesterol, Sulfites, …) • Group 4: Probably not carcinogenic (caprolactam- a substance used in nylon.)

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