Experts continue identifying radioactive iodine 131 as they study samples of atmospheric aerosols taken in the air above Vladivostok, the Itar-Tass news agency reported on Tuesday.
According to Itar-Tass, samples are taken on the ground, from aboard aircraft and sea vessels. The natural radiation background in Vladivostok on Tuesday totaled 14 microroentgen per hour, which is
well below the accepted ceiling of 30 microroentgen per hour.
Various services operating 193 monitoring stations in the Primorsky territory continue exercising control over the radiation background.
The effort involves specialists from hydrometeorology services, the Far Eastern Department of the Customs Control Service, the Ministry of Public Health and Social Development, the Russian nuclear power corporation Rosatom, the Interior Ministry, the Ministry for Emergency
Situations and Civil Defense, the Interior Ministry, and the Defense Ministry.
In the meantime, emergency officials in the Sakhalin region said the radiation background on the island of Sakhalin and on the Kurile Islands at 09:00 local time Tuesday (2200 GMT Monday) remained within norm and varied from five through to 13 microroentgen per hour.