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by ta123456789 1343 days ago
Seems like it would be completely fine to eat, even regularly. With mushrooms having 1000 Bq/kg at worst, according to samples by BfS.

> The consumption of 200 grams of mushrooms with 2,000 becquerel caesium-137 per kilogram results in an exposure of 0.005 millisievert. This is considerably less than the radiation exposure during a flight from Frankfurt to Gran Canaria. However, if adults eat such a mushroom meal each week, they will receive an additional annual radiation exposure corresponding to about twenty flights from Frankfurt to Gran Canaria. Expressed in numbers it is 0.27 millisievert.

https://www.bfs.de/EN/topics/ion/environment/foodstuffs/mush...