Fukushima nuclear power plant sewage leaking high radiation exposure caused died four hours

 

 

Data Figure:
Japan's nuclear accident two years ago, the Fukushima Daiichi nuclear power plant and sewage leakage radiation accident occurred. The same day the officer found around the reactor pool water tank, it is estimated that there are about 300 tons were highly contaminated water into the ocean may have been. Pictured August 20 Fukushima Daiichi panorama shooting, the staff wear protective clothing stood beside the tank.

BEIJING, September 1
  "Central News Agency" reports, Japan Tokyo Electric Power Company 1 announced that the Fukushima Daiichi nuclear power plant a storage tank at the bottom of a high concentration of radiation leaking sewage, 1800 mSv per hour monitored radiation levels, people If subjected to four hours of this intensity of the radiation can be lethal.

Tepco said on August 22 detects H3 Fukushima zone storage tank group, of which two water reservoir at the bottom of the seams have a high concentration of radiation reaction, the 31st retest found that the radiation dose of about 220 to 1800 mg per hour Sev.

If exposed to radiation doses of human 1800 mSv per hour environment, four hours is sufficient to death, but the leakage of sewage containing radiation, almost all poor penetration weak β line, as long as the proper protection can be effectively shielded.

August 31, Tokyo Electric Power Company in H5 District link at the bottom of the water storage tank 2 is also known to contain high levels of radiation measurements, and H4 area a storage tank at the bottom of the findings, including hourly 70 mSv dose of radiation.

The high concentration of radiation is detected, a water storage tank, are bolted steel "flanged" (Flange), with about 300 tons of sewage has been compromised the storage tank of the same type. This durable storage tank 5 years, the territory of the Fukushima Daiichi nuclear power plant about 1,000 storage tanks, of which about 350 are flanged.

Tepco plans, leaking storage tank flange type changed welded. Flanged produced water storage tank 1 weeks suffice, welded at least about one month, the current is forced to have to use a flange-type storage tank, so you need to assume another storage tank sewage leakage radiation risks.