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INES µî±Þ

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8¿ù 26ÀÏ ÇöÀåÀ» ¹æ¹®ÇÑ °æÁ¦¹«¿ª»ê¾÷ºÎ Àå°ü µµ½Ã¹ÌÂê ¸ðÅ×±â(Toshimitsu Motegi)´Â ÀϺ» Á¤ºÎ°¡ ÇöÀå ÀÛ¾÷ÀÚ¸¦ µ¶·ÁÇÏ´Â °¡¿îµ¥ ´©Ãâ »ç°í°¡ ¹ß»ýÇÑ °Í¿¡ ´ëÇØ Á¤ºÎÀÇ ½É±â°¡ ºÒÆíÇÏ´Ù´Â Á¡À» °­Á¶Çß´Ù. ¶ÇÇÑ ±×´Â µµÄìÀü·ÂÀÌ È¿°úÀûÀ¸·Î »ç°í ºñ¿ëÀ» °¨´çÇϱâ À§ÇØ ±¹À¯È­¸¦ ÃßÁøÇØ ¿ÔÀ½¿¡µµ ÇöÀå¿¡ ´ëÇØ ´õ ¸¹Àº Á¤ºÎÀÇ ÅëÁ¦°¡ ÇÊ¿äÇÏ´Ù°í µ¡ºÙ¿´´Ù.
 
[Ãâó : KISTI ¹Ì¸®¾È(http://mirian.kisti.re.kr) ¡º±Û·Î¹úµ¿Çâºê¸®ÇÎ(GTB)¡»2013. 08. 30]

[¿ø¹®º¸±â]
 
Fukushima leak cleaned up

Extensive measures to prevent and mitigate potential spills of radioactive water from storage tanks are being put in place at Fukushima Daiichi. The clean-up of a previous leak appears to have been successful.
 
less radioactivity per litre than naturally present in one banana. Further inland, nearer to the faulty tank, there was no detected caesium while beta radiation was at 93 Bq/L. This compares to some 200,000 Bq/L in water sampled from the faulty tank, indicating this is not reaching the sea in any significant quantity, if at all.
 
One theory for the tank's failure relates to the fact that it is one of three to have been dismantled, moved and reassembled after their original positions suffered subsidence. It is thought this may have weakened a flange seal in some way, despite careful testing on reassembly. As a precaution, the company is now draining another of the moved tanks and preparing to drain the remaining one.
 
All flange tanks will in future be subject more regular inspection, with patrols upped to include 50 staff - all carrying radiation dose meters. Thermal cameras will be trained on the tanks, giving an indication of the water levels due to influence of water temperature on the tank surface temperature. There will be a routine for the staff to quickly document any 'suspicious' puddles of water. Rainwater valves will also be kept closed by default instead of open.
 
less radioactivity per litre than naturally present in one banana. Further inland, nearer to the faulty tank, there was no detected caesium while beta radiation was at 93 Bq/L. This compares to some 200,000 Bq/L in water sampled from the faulty tank, indicating this is not reaching the sea in any significant quantity, if at all.
 
One theory for the tank's failure relates to the fact that it is one of three to have been dismantled, moved and reassembled after their original positions suffered subsidence. It is thought this may have weakened a flange seal in some way, despite careful testing on reassembly. As a precaution, the company is now draining another of the moved tanks and preparing to drain the remaining one.
 
All flange tanks will in future be subject more regular inspection, with patrols upped to include 50 staff - all carrying radiation dose meters. Thermal cameras will be trained on the tanks, giving an indication of the water levels due to influence of water temperature on the tank surface temperature. There will be a routine for the staff to quickly document any 'suspicious' puddles of water. Rainwater valves will also be kept closed by default instead of open.
 
 
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