Radioactive iodine concentrations decrease in Far East

VLADIVOSTOK, April 1 (Itar-Tass) -- Radioactive iodine-131
concentrations which were detected in the atmospheric air over the Russian
Far East following the accident at Fukushima Daiichi nuclear power plant
in Japan pose no danger to humans and continue to decrease, the weather
service in Vladivostok said on Friday.
It added the radioactive background remained normal and comprised 14
micro-Roentgen, a half of the permissible level of 30 micro-Roentgen.
Increased iodine concentrations were detected by a monitoring station
near Vladivostok on March 26. "Iodine-131 concentrations measured on March
30-31 are ten thousand times less than average annual volumetric activity
for the population and therefore pose no threat to the health of the
people," the service said adding the concentrations decreased eight times
since they were detected.
The radioactive background in Primorye region is monitored by 180
stations which detected no other radioactive elements.
On Sakhalin the radioactive background is also normal and ranges
between 7 and 12 micro-Roentgen per hour.