Radiocaesium Contamination of Mushrooms at High- and Low-Level Chernobyl Exposure Sites and Its Consequences for Public Health.

We compare the specific activities of 137Cs and 40K in stipes and caps of three different common mushroom species (, and ) measured at the Czech Chernobyl hot spot in the Opava area (Silesia) and at a low-exposed site at the Beskydy mountains in 2011. The highest values of 137Cs were found in caps of and in the Opava area (11.8 and 8.