China Education Equipment Procurement Network News: From the State Oceanic Administration, the second batch of monitoring results of the marine environment radioactivity monitoring carried out by the State Oceanic Administration on the western Pacific Ocean to the east of Fukushima, Japan revealed that the western Pacific Ocean is east of Fukushima and southeast of Japan The sea area has been significantly affected by the Fukushima nuclear leak, and the specific activity of strontium-90 in marine biological samples from the monitoring sea area is 29 times the average background radioactivity of coastal biological samples in China.
According to reports, in order to grasp the impact of Japan ’s Fukushima nuclear leak on the Western Pacific and China ’s marine environment, from June 16 to July 4, 2011, the State Oceanic Administration carried out marine environmental radioactivity in the western Pacific Ocean east of Fukushima, Japan. monitor.
The monitoring results showed that both cesium-137 and strontium-90 were detected in the sea water of the monitoring area, and 94% of the samples in the monitoring station detected cesium-134 which could not be detected under normal circumstances. 71% of the cesium-137 content in the monitoring station It exceeds the background range of China's sea area, and the highest content of cesium-137 and strontium-90 is 300 times and 10 times of the background range of China's sea area, respectively. No iodine-131 was detected in the seawater samples from the monitoring area.
The radioactive detection results of squid (Barter squid) in the monitoring sea area show that the specific activity of strontium-90 is 29 times the average radioactivity background value of coastal biological samples in China. In addition, silver-110m and cesium-134, which are difficult to detect under normal circumstances, were detected in the coastal biological samples of China.
The State Oceanic Administration stated that, in view of the fact that the western Pacific Ocean to the east and southeast of Japan ’s Fukushima has been significantly affected by the Fukushima nuclear leak, it is recommended that relevant departments strengthen the detection of radioactivity from seafood in this area to ensure the health and safety of our public.
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