becquerel

The recall was started after tests found up to 30. 8 becquerels of caesium per kilo of Meiji Step powdered milk.

A sample gathered at a second location found 32 becquerels Tuesday, though on Wednesday the level had dropped to zero.

The amount of cesium detected is considerably less than the 200 becquerels per kilogram limit set by the government for such products.

The level detected was 965 becquerels , compared with a benchmark safety limit of 300 becquerels .

Dried milk in Fukushima Prefecture measured to exceed 500 becquerels (per kg) of radioactive cesium.

An initial check Wednesday showed a similarly elevated level , of 190 becquerels .

That compares with a level of just 0. 01 becquerels or less for normal spent fuel pools .

Farms haven't planted rice in soil where emitted radiation has been measured in excess of 5, 000 becquerels per kilogram.

Last month, for instance, a batch of shiitake mushrooms measured 8, 850 becquerels.

A sample of water taken Tuesday contained 220 becquerels of iodine-131 per cubic centimeter .

The level is about double the government's permissible limit for infants, 100 becquerels.

The concentration level of cesium-134 increased from 1. 4 becquerels to 53 becquerels.