"A Food Needs 20 Hours" Secrets of Food Radioactivity Detection Process

In addition to vegetables, milk and drinking water have also entered the monitoring area. No pollution has been found so far. Yesterday, Su Xu, Director of the Center for Radiation Protection and Nuclear Safety of the Chinese Center for Disease Control and Director of the Medical Emergency Center for Nuclear Accidents of the Ministry of Health introduced the process of detecting food radiation.

Beijing News: Iodine 131 was detected in vegetables in these days. What other foods are still being tested?

Su Xu: We have three instruments. Each instrument can only detect one food item per day, including vegetables, milk, and drinking water. There is no detection (radioactive material) in milk and drinking water.

Beijing News: Why can only detect one food per day per instrument?

Su Xu: Because the content of iodine-131 in food is very low, it takes more than 20 hours to complete the test. If it is high, it can be measured in a few hours.

Beijing News: Does the sample include seafood?

Su Xu: We have arranged for the detection of some provinces along the coast, such as Jiangsu and Guangdong. Northern Liaoning is also testing.

The Beijing News: The iodine-131 content of certain vegetables currently detected is relatively low, but when people are buying vegetables, they need to touch it with their hands. Does this have any impact?

Su Xu: There is no problem. Now this content, you do not have to wash or eat, of course, this is not hygienic, but there is no problem eating, what do you fear from touching this hand? The spinach I had eaten two days ago. It is stained on the surface and washed off with water.

As long as there is (radio) in the air, we will continue to test it here. This is responsible to the people.

Beijing News: What level of radiological detection will the food safety information be released?

Su Xu: Now, you also see that even if there is no impact on the human body, we will release it. If we really encounter foods that have an impact on humans, we need to publish it. We must tell the people what protective measures to take. (Wu Peng)

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