JCO¥¦¥é¥ó²Ã¹©¹©¾ì¤Ë¤ª¤±¤ëÎ×³¦»ö¸Î

Êü¼ÍÀþÍøÍÑµ»½Ñ¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥á¥¤¥ó¥Ú¡¼¥¸¤Ø
ºîÀ®¡§ 2000/11/12 »³Æâ¡¡ÎÉËû ¥Ç¡¼¥¿ÈÖ¹æ¡¡¡¡¡¡¡§040239 JCO¥¦¥é¥ó²Ã¹©¹©¾ì¤Ë¤ª¤±¤ëÎ×³¦»ö¸Î ÌÜÅª¡¡¡¡¡¡¡¡¡¡¡¡¡§JCO¥¦¥é¥ó²Ã¹©¹©¾ì¤Ë¤ª¤±¤ëÎ×³¦»ö¸Î¤Î³µÍ×¤È²òÀâ Êü¼ÍÀþ¤Î¼ïÊÌ¡¡¡¡¡§¥¬¥ó¥ÞÀþ,ÃæÀ»Ò,ÃæÀÎ³»Ò Êü¼ÍÀþ¸»¡¡¡¡¡¡¡¡¡§³ËÊ¬Îö(2.5x10¹⁸¸Ä) ÍøÍÑ»ÜÀßÌ¾¡¡¡¡¡¡¡§JCOÅì³¤Â¼¥¦¥é¥ó²Ã¹©¹©¾ì ¾È¼Í¾ò·ï¡¡¡¡¡¡¡¡¡§¶õµ¤Ãæ ±þÍÑÊ¬Ìî¡¡¡¡¡¡¡¡¡§Ï§ÊªÍý¡¢³ËÊªÍý¡¢Êü¼ÍÀþ·×Â¬¡¢ÊÝ·òÊªÍý¡¢³Ë°å³Ø ³µÍ×¡¡¡¡¡¡¡¡¡¡¡¡¡§ ¡¡¥¸¥§¡¼¡¦¥·¡¼¡¦¥ª¡¼(JCO)Åì³¤Â¼¥¦¥é¥ó²Ã¹©¹©¾ì¤Ë¤ª¤¤¤Æ¥¦¥é¥óÇ³ÎÁ¤ÎÀ½Â¤Ãæ¡¢¾Ë»À¥¦¥é¥Ë¥ëÍÏ±Õ16.6kg¤¬ÃíÆþ¤µ¤ì¤¿ÄÀÅÂÁåÆâ¤ÇÎ×³¦»ö¸Î¤¬È¯À¸¤·¤¿¡£ºÇ½é¤Ë½Ö´ÖÅª¤ËÂçÎÌ¤Î³ËÊ¬ÎöÈ¿±þ¤¬µ¯¤³¤ê¡¢¤½¤Î¸åÌó20»þ´Ö¤Ë¤ï¤¿¤ê³ËÊ¬Îö¾õÂÖ¤¬·ÑÂ³¤·¡¢²³⁵U¤Î³ËÊ¬Îö¤Ï2.5x10¹⁸¸Ä¤ËÃ£¤·¤¿¡£ÄÀÅÂÁå¤«¤é350m ·÷Æâ¤Î½»Ì±¤ËÈòÆñÍ×ÀÁ¤¬¹Ô¤ï¤ì¤¿¤¬¡¢¤½¤Î350m¤Ç¤ÎÀÑ»»ÀþÎÌ¤Ï1.2mSv¤Ç¡¢ÈòÆñÍ×ÀÁ¶è°èÆâ¤ÎÂçÂ¿¿ô¤Î¿Í¡¹¤ÎÀþÎÌÉ¾²Á¤Ï5mSvÌ¤Ëþ¤Ç¤¢¤Ã¤¿¡£ ¾ÜºÙÀâÌÀ¡¡¡¡¡¡¡¡¡§ ¡¡1999Ç¯9·î30Æü¡¢³ô¼°²ñ¼Ò¥¸¥§¡¼¡¦¥·¡¼¡¦¥ª¡¼Åì³¤Â¼¥¦¥é¥ó²Ã¹©¹©¾ì¤Ë¤ª¤¤¤Æ¡¢¡Ö¾ïÍÛ¡×¤ÎÇ³ÎÁÍÑ¤È¤·¤Æ¡¢¥¦¥é¥óÇ»ÅÙ380gU/L°Ê²¼¤Î¾Ë»À¥¦¥é¥Ë¥ëÍÏ±Õ¤ÎÀ½Â¤¤¬¹Ô¤ï¤ì¤Æ¤¤¤¿¡£1ºî¶ÈÃ±°Ì 2.4kg°Ê²¼¤È¤µ¤ì¤¿ÄÀÅÂÁå»ÈÍÑ¤Î½ÅÎÌÀ©¸Â¤òÌµ»ë¤·¤Æ¡¢¤³¤Îºî¶È¤Ç¤Ï16.6kg¤Î¾Ë»À¥¦¥é¥Ë¥ë¤òÄÀÅÂÁå¤ËÃíÆþ¤·¤¿·ë²Ì¡¢¸áÁ°10:35º¢¡¢ÄÀÅÂÁåÆâ¤Î¾Ë»À¥¦¥é¥Ë¥ëÍÏ±Õ¤¬Â¨È¯Î×³¦¤ËÃ£¤·¤¿¡£ºÇ½é½Ö´ÖÅª¤ËÂçÎÌ¤Î³ËÊ¬ÎöÈ¿±þ¤¬µ¯¤³¤ê¡¢¤½¤Î¸å20»þ´Ö¤Ë¤ï¤¿¤Ã¤Æ¡¢´Ë¤ä¤«¤Ê³ËÊ¬Îö¾õÂÖ¤¬Â³¤¤¤¿¡£10·î1Æü¸áÁ°3:30 ÄÀÅÂÁåÎäµÑ¿åÇÛ´É¤òÀÚÃÇ¤Î¸å¡¢¸áÁ°6:15ÎäµÑ¿åÈ´¤¼è¤ê¤¬½ªÎ»¤·¡¢Î×³¦¾õÂÖ¤ÏÄä»ß¤·¤¿¡£¤½¤Î¸å¡¢¥Û¥¦»À¿å¤òÃíÆþ¤·¡¢¸áÁ°8:50¤ËÎ×³¦¤Î½ªÂ©¤¬ºÇ½ªÅª¤Ë³ÎÇ§¤µ¤ì¤¿¡£¡¡¿Þ1¤ËJCO»ÜÀßÆâ¥¬¥ó¥ÞÀþ¥¨¥ê¥¢¥â¥Ë¥¿¤Î»Ø¼¨ÃÍ¤ò´ð¤Ë¤·¤¿ÀþÎÌÎ¨¤Î»þ´ÖÊÑ²½¤ò¼¨¤¹¡£Â¨È¯Î×³¦¤ÎÂè1¥Ô¡¼¥¯¤ËÂ³¤Ã»»þ´Ö¤Ë½ÐÎÏ¤¬ÊÑÆ°¤·¤¿ºÇ½é¤Î ¿Þ1¡¡ÀþÎÌÎ¨¤Î¿ä°Ü(Âè1²Ã¹©»ÜÀßÅïÊ´ËöÃùÂ¢¼¼¥¬¥ó¥ÞÀþ¥¨¥ê¥¢¥â¥Ë¥¿).¡Ê¸¶ÏÀÊ¸1¤è¤ê°úÍÑ¡£¡¡(¼Ò)ÆüËÜ¸¶»ÒÎÏ³Ø²ñ¤Î¤´¾µÇ§¤Ë´ð¤Å¤¡¢¸¶»ÒÎÏ°ÂÁ´°Ñ°÷²ñ»öÌ³¶É¡¢ÆüËÜ¸¶»ÒÎÏ³Ø²ñ»ï¡¢vol.42(5),374-384(2000)¡¢Âè4¿Þ(pp.375)¤«¤éÅ¾ºÜ¤·¤¿¤â¤Î¤Ç¤¹¡£¡Ë 25Ê¬´Ö¤ò¥Ð¡¼¥¹¥ÈÉô¡¢¤½¤ì°Ê¹ß¤Î´Ë¤ä¤«¤Ê³ËÊ¬Îö¤¬Â³¤¤¤¿´ü´Ö¤ò¥×¥é¥È¡¼Éô¤È¸Æ¤Ö¡£¥Ð¡¼¥¹¥ÈÉô¤È¥×¥é¥È¡¼Éô¤ÎÀÑ»»ÀþÎÌÈæÎ¨¤Ï¡¢11ÂÐ89¤È»»Äê¤µ¤ì¤¿¡£¤³¤Î»ö¸Î¤Ë¤ª¤±¤ëÁ´³ËÊ¬Îö¿ô¤Ï¡¢ÄÀÅÂÁå¤ËÂ¸ºß¤·¤Æ¤¤¤¿16.6kg¤Î¾Ë»À¥¦¥é¥Ë¥ëÍÏ±Õ¤ÎÊ¬ÀÏ·ë²Ì¤«¤é2.5x10¹⁸¸Ä¤ÈÉ¾²Á¤µ¤ì¤¿¡£½é´üÄ¶Î×³¦½ÐÎÏ¥¹¥Ñ¥¤¥¯¤Ë¤è¤ëÊü½Ð¥¨¥Í¥ë¥®¡¼¤Ï1.4x10⁷J¤È¿äÄê¤µ¤ì¡¢Äê¾ï½ÐÎÏ¤Ç¤Ï³ËÊ¬Îö¥¨¥Í¥ë¥®¡¼¤ÎÈ¯À¸Î¨¤ÏÌó1200W¤È¤Ê¤ë¡£10»þ´Ö¸å¤ÎÇ®½ÐÎÏ¤Ï700W¡¢20»þ´Ö¸å¤ÎÇ®½ÐÎÏ¤Ï450WÄøÅÙ¤Ë²¼¤¬¤ë¤È»»½Ð¤µ¤ì¤¿¡£Á´³ËÊ¬Îö¿ô¤Ë¤Ä¤¤¤Æ¤ÏÂ¾¤Î»»½ÐË¡¤È¤·¤Æ¡¢ÄÀÅÂÁå¤«¤é¤ÎÄ¾ÀÜ¤Î¥¬¥ó¥ÞÀþÂ¬Äê¤«¤é3.43x10¹⁸ ¡¢Á´ÂÎ·Ï¤ò2¼¡¸µÍ¢Á÷ÊýÄø¼°¤ò²ò¤¯¤³¤È¤Ç2.3x10¹⁸¡¢ÃæÀ»ÒÀþÎÌÎ¨¤Î·×»»¤«¤é1.9x10¹⁸ ¤ÎÃÍ¤¬Êó¹ð¤µ¤ì¤Æ¤¤¤ë¡£¡¡ ¡¡ÄÀÅÂÁåÆâ¤Î¥¦¥é¥ó¤¬Ï¢º¿È¿±þ¤òµ¯¤³¤¹¤¿¤á¤Ë¤Ï¡¢Ï¢º¿È¿±þ¤Î°ú¤¶â¤È¤Ê¤ëÃæÀ»Ò¤¬É¬Í×¤Ç¤¢¤ë¡£È¯À¸¸»¤Ë¤Ä¤¤¤Æ¤Î¹Í»¡¤«¤é¡¢¥¦¥é¥ó¤ÎÊø²õ¤Ë¤è¤êÊü½Ð¤µ¤ì¤ë¦ÁÎ³»Ò¤ÈÄÀÅÂÁåÆâÊª¼Á¤È¤Î³ËÈ¿±þ¤ÇÈ¯À¸¤¹¤ëÃæÀ»Ò¡¢¥¦¥é¥ó¤Î¼«È¯³ËÊ¬Îö¤Ë¤è¤ëÃæÀ»Ò¡¢±§ÃèÀþ¤Î³ËÈ¿±þ¤Ë¤è¤êÀ¸¤¸¤¿ÃæÀ»Ò¤¬¤¢¤ê¡¢È¯À¸¿ô¤Ï¤½¤ì¤¾¤ì120/s,¡¡190/s,¡¡27/s ¤Ç¤¢¤ë¡£¤³¤ì¤«¤éÄÀÅÂÁåÆâ¤ÎÃæÀ»ÒÈ¯À¸Î¨¤Ï·ë¶É 340/s ÄøÅÙ¤Ç¤¢¤ê¡¢¤³¤ì¤¬Î×³¦¤Î°ú¤¶â¤Ë¤Ê¤Ã¤¿¡£ ¡¡º£²ó¤Î»ö¸Î¤Ç¤Ï¡¢ÃæÀ»Ò¤ª¤è¤Ó¥¬¥ó¥ÞÀþ¤Ë¤è¤ë³°ÉôÈï¤Ð¤¯¤¬¼ç¤Ç¤¢¤Ã¤¿¡£»ö¸Î¤«¤é¤ÎÀþÎÌÎ¨¤Î¿ä°Ü¤Ï¡¢JCOÉßÃÏÆâ¤Î¥¬¥ó¥ÞÀþ¥¨¥ê¥¢¥â¥Ë¥¿¤È»ö¸ÎÃÏÅÀ¤«¤éÀ¾Êý¸þ1.7km¤ËÀßÃÖ¤µ¤ì¤Æ¤¤¤ëÆüËÜ¸¶»ÒÎÏ¸¦µæ½êÆá²Ñ¸¦µæ½ê¤Î¥â¥Ë¥¿¥ê¥ó¥°¥Ý¥¹¥ÈNo.1(MP1)¤ÎÃæÀ»Ò¥â¥Ë¥¿¤Ë¤è¤Ã¤ÆµÏ¿¤µ¤ì¤Æ¤¤¤¿¡£Î×³¦¤¬·ÑÂ³¤·¤Æ¤¤¤¿´ü´Ö¡¢JCO¼þÊÕ¤Ç¤Ï¥¬¥ó¥ÞÀþ¤Ë¤Ä¤¤¤Æ¤Ï»ö¸Î¸å1»þ´Ö¸å¤Ë¡¢ÃæÀ»Ò¤Ë¤Ä¤¤¤Æ¤Ï»ö¸Î¸å6»þ´Ö30Ê¬¤ò·Ð²á¤·¤¿17»þº¢¤«¤éÎ×³¦½ªÂ©¤ò³ÎÇ§¤¹¤ë¤Þ¤Ç¡¢Êü¼ÍÀþ¥â¥Ë¥¿¥ê¥ó¥°¤¬¼Â»Ü¤µ¤ì¤¿¡£1cmÀþÎÌÅöÎÌÎ¨¤ÇÃæÀ»Ò¤È¥¬¥ó¥ÞÀþ¤ÎÈæ¤Ï¤ª¤è¤½9:1¤Ç¤¢¤ë¡£Êü¼ÍÀþ¥â¥Ë¥¿¤ÏÊü¼ÍÀþ¾ì¤Î¶¯ÅÙ¤òÉ½¤¹1cmÀþÎÌÅöÎÌ¤ÇÉ½¼¨¤¹¤ë¤¬¡¢¿ÍÂÎÈï¤Ð¤¯ÀþÎÌ¤ò»»Äê¤¹¤ë¤¿¤á¤Ë1cmÀþÎÌÅöÎÌ¤«¤é¼Â¸úÀþÎÌÅöÎÌ¤Ø¤Î´¹»»¤¬¹Ô¤ï¤ì¤¿¡£ÂåÉ½Åª¤Êµ÷Î¥¤ª¤è¤Ó»þ¹ï¤Ë¤ª¤±¤ë»ö¸ÎÈ¯À¸»þ¤«¤é¤ÎÀÑ»»ÀþÎÌ¤òÉ½1¤Ë¼¨¤¹¡£ É½1¡¡¼Â¸úÀþÎÌÅöÎÌ¤ÎÉ¾²Á·ë²Ì¡Ê¸¶ÏÀÊ¸2¤è¤ê°úÍÑ¡£¡¡(¼Ò)ÆüËÜ¸¶»ÒÎÏ³Ø²ñ¤Î¤´¾µÇ§¤Ë´ð¤Å¤¡¢±óÆ£¾Ï¡¢»³¸ý¶³¹°¡¢Æ£ËÜ·û»°¡¢ÆüËÜ¸¶»ÒÎÏ³Ø²ñ»ï¡¢vol.42(8),744-748(2000)¡¢Âè½-14É½(pp.747)¤«¤éÅ¾ºÜ¤·¤¿¤â¤Î¤Ç¤¹¡£¡Ë ------------------------------------------------------------------------ ¼Â¸úÀþÎÌÅöÎÌ(mSv) ------------------------------------------------------------------------ »þ¹ï 9/30 10/1 µ÷Î¥ 11:00 16:00 21:00 2:00 6:15 ------------------------------------------------------------------------ 80m 11 44 66 83 92 (1.7) (7.1) (11) (14) (15) ------------------------------------------------------------------------ 100m 6.1 25 38 48 53 (1.0) (4.2) (6.2) (7.9) (8.8) ------------------------------------------------------------------------ 150m 2.1 8.6 13 16 18 (0.35) (1.5) (2.2) (2.8) (3.1) ------------------------------------------------------------------------ 200m 0.91 3.7 5.6 7.1 7.9 (0.16) (0.65) (0.97) (1.2) (1.4) ------------------------------------------------------------------------ 300m 0.24 1.0 1.5 1.9 2.1 (0.044) (0.18) (0.27) (0.34) (0.38) ------------------------------------------------------------------------ 350m 0.14 0.58 0.86 1.1 1.2 (0.026) (0.11) (0.16) (0.20) (0.22) ------------------------------------------------------------------------ 500m 0.033 0.14 0.20 0.26 0.29 (0.0062) (0.026) (0.038) (0.049) (0.054) ------------------------------------------------------------------------ ÀÑ»»ÀþÎÌ¤ÏÃæÀ»Ò¤È¥¬¥ó¥ÞÀþ¤Î¹ç·×¤Ç¡¢(¡¡)Æâ¤Ï¥¬¥ó¥ÞÀþ¤Ë¤è¤ëÀþÎÌ¤Ç¤¢¤ë¡£³ËÊ¬Îö¤Ë¤è¤Ã¤ÆÃæÀ»Ò¡¢¥¬¥ó¥ÞÀþ°Ê³°¤Ë»ÜÀß¤«¤éÊü½Ð¤µ¤ì¤¿Êü¼ÍÀÊª¼Á¤Ï¡¢¼ç¤È¤·¤Æ´õ¥¬¥¹¤ª¤è¤Ó¡¢¤è¤¦ÁÇ¥¬¥¹¤Ç¤¢¤Ã¤¿¡£ ¡¡´Ä¶»îÎÁ¤ÎÂ¬Äê·ë²Ì¤òÉ½2¤Ë¼¨¤¹¡£ É½2¡¡´Ä¶»îÎÁ¤ÎÊ¬ÀÏ·ë²Ì¡Ê¸¶ÏÀÊ¸3¤è¤ê°úÍÑ¡£¡¡(¼Ò)ÆüËÜÊªÍý³Ø²ñ¤ÈÃø¼Ô¤Î¤´¾µÇ§¤Ë´ð¤Å¤¡¢¼ÆÅÄÆÁ»×¡¢ÆüËÜÊªÍý³Ø²ñ»ï¡¢Vol.55(8), 579-586(2000)¡¢É½2(pp.582)¤«¤éÅ¾ºÜ¤·¤¿¤â¤Î¤Ç¤¹¡£¸¶É½¤Ï¡¢¥¦¥é¥ó²Ã¹©¹©¾ìÎ×³¦»ö¸ÎÄ´ºº°Ñ°÷²ñÊó¹ð¡ÊÊ¿À®11Ç¯12·î24Æü¡¡¸¶»ÒÎÏ°ÂÁ´°Ñ°÷²ñ¡¡¥¦¥é¥ó²Ã¹©¹©¾ìÎ×³¦»ö¸ÎÄ´ºº°Ñ°÷²ñ¡Ë¤ÎÉ½¶¡¼£´¡Ý£±¡¡³Ë¼ïÊ¬ÀÏ·ë²Ì¡ÊÁí³çÉ½¡Ë¡£¡Ë ---------------------------------------------------------------------------------------- »îÎÁÌ¾ Ä´ºº ¸¡½Ð ³Ë¼ï ¸¡½ÐÈÏ°Ï ·ï¿ô ·ï¿ô ---------------------------------------------------------------------------------------- Âçµ¤¿Ð 139 1 ⁹¹Sr 201¡ß10^-⁸ (Bq/cm³) 8 ¹³⁸Cs 1.6¡ß10^-⁸¡Á1.4¡ß10^-³ (Bq/cm³) 1 ¹⁴⁰Ba 2.2¡ß10^-⁹ (Bq/cm³) 1 ¹⁴⁰La 4.8¡ß10^-⁸ (Bq/cm³) ---------------------------------------------------------------------------------------- Âçµ¤Ãæ¥è¥¦ÁÇ 95 5 ¹³¹I 7.3¡ß10^-¹¹¡Á4.1¡ß10^-¹⁰ (Bq/cm³) 3 ¹³³I 1.3¡ß10^-⁹¡Á3.9¡ß10^-⁷ (Bq/cm³) 2 ¹³⁵I 1.3¡ß10^-⁶¡Á3.4¡ß10^-⁶ (Bq/cm³) 3 ¹³⁸Cs 9.2¡ß10^-⁶¡Á1.4¡ß10^-⁵ (Bq/cm³) ---------------------------------------------------------------------------------------- ±«¿å 3 0 ------ ------ ---------------------------------------------------------------------------------------- ¿åÆ»¿å 17 0 ------ ------ ---------------------------------------------------------------------------------------- °æ¸Í¿å 31 0 ------ ------ ---------------------------------------------------------------------------------------- ¸Ð¾Â¿å 3 0 ------ ------ ---------------------------------------------------------------------------------------- ÅÚ¾í 156 16 ²⁴Na 1.3¡ß10^-³¡Á1.3¡ß10^-¹ (Bq/cm³) 2 ⁵⁶Mn 3.7¡ß10^-²¡Á1.0¡ß10^-¹ (Bq/cm³) 1 ¹³¹I 4.5¡ß10^-⁴ (Bq/cm³) 1 ¹³³I 1.6¡ß10^-³ (Bq/cm³) 106 ¹³⁷Cs 1.4¡ß10^-³¡Á2.6¡ß10^-² (Bq/cm³) ---------------------------------------------------------------------------------------- ÇÀ»ºÊª 133 12 ¹³¹I 9.5¡ß10^-⁴¡Á3.7¡ß10^-² (Bq/cm³) (»¨Áð¤ò´Þ¤à) 7 ¹³³I 3.9¡ß10^-³¡Á3.8¡ß10^-² (Bq/cm³) 2 ¹³⁵I 1.2¡ß10^-²¡Á1.4¡ß10^-² (Bq/cm³) ---------------------------------------------------------------------------------------- ÃÜ»ºÊª 19 0 ------ ------ ---------------------------------------------------------------------------------------- ¿å»ºÊª 12 0 ------ ------ ---------------------------------------------------------------------------------------- ³¤¿å 7 0 ------ ------ ---------------------------------------------------------------------------------------- ¤³¤Î»ö¸Î¤Ç¡¢Æó»À²½¥¦¥é¥ó¾Ë»ÀÍÏ±Õ¤òÄÀÅÃÁå¤ËÃíÆþÃæ¤Î2Ì¾¤ÈÊÉ¤ò³Ö¤Æ¤¿Ï²¼¤Ë¤¤¤¿1Ì¾¤Îºî¶È°÷¤¬¡¢¤½¤ì¤¾¤ì16¡Á20GyEq, 6¡Á10GyEq ¤ª¤è¤Ó1¡Á4.5GyEq¤Î¹âÀþÎÌ¤òÊü¼ÍÀþÈï¤Ð¤¯¤·¤¿¡£Ä¾ÀÜÃíÆþºî¶È¤ò¤·¤¿2Ì¾¤ÏÈï¤Ð¤¯¸å83ÆüÌÜ¤È211ÆüÌÜ¤Ë»àË´¤·¤¿¡£¤½¤ÎÂ¾¤ÎJCOÉßÃÏ¼þÊÕ½»Ì±Åù¤ÎÀþÎÌ¿äÄê¤ËÅö¤¿¤ê¡¢ÈòÆñÍ×ÀÁ¶è°èÆâ¤Î48À¤ÂÓ¤ª¤è¤Ó18»ö¶È½ê¤Ë¶ÐÌ³¤·¤Æ¤¤¤¿¿Í¡¹265Ì¾¤òÂÐ¾Ý¤Ë¹ÔÆ°Ä´ºº¤ò¼Â»Ü¤·¤¿¡£É¾²Á¤µ¤ì¤¿ÀþÎÌ¤Ï¡¢ºÇÂç21mSv¤Ç¤¢¤Ã¤¿¤¬¡¢ÂçÂ¿¿ô¤Î¿Í¡¹¤Ï5mSvÌ¤Ëþ¤Ç¤¢¤ë¡£¤Ê¤ª¡¢¼«Á³¤ÎÊü¼ÍÀþ¤Ë¤è¤ëÈï¤Ð¤¯¤ÏÇ¯¤Ë¤ª¤è¤½1.5mSv¤Ç¤¢¤ê¡¢¿¦¶ÈÅª¤ËÊü¼ÍÀþºî¶È¤Ë½¾»ö¤¹¤ë¼Ô¤ÎÈï¤Ð¤¯¸ÂÅÙ¤¬Ç¯¤Ë50mSv¤Ç¤¢¤ë¡£¡ÊÃð¡§½¾»ö¼Ô¤ÎÈï¤Ð¤¯¸ÂÅÙ¤Ï2000Ç¯4·î°Ê¹ß¼¡¤Î¤è¤¦¤Ë²þÀµ¤µ¤ì¤¿¡¨5Ç¯¤Ç100mSv¡¢1Ç¯¤Ç50mSv¤òÄ¶¤¨¤Ê¤¤¤³¤È¡Ë ¥³¥á¥ó¥È¡¡¡¡¡¡¡¡¡§ ¡¡º£²ó¤Î»ö¸Î¤Ë´Ø¤·¤Æ¡¢µ÷Î¥¤È»þ¹ï¤Ë¤ª¤±¤ëÃæÀ»ÒÂ«¤äÀþÎÌÎ¨¤Î¿äÄê¤Ë¤Ï¡¢¶âºÙ¹©¡¢5±ß¹Å²ßÃæ¤Î⁶⁴Zn¤ÎÊü¼Í²½¡¢¹Åç¤Î¸¶Çú¤Î¾ì¹ç¤Ë¤âÃæÀ»ÒÂ«¤ÎÉ¾²Á¤ËÍÑ¤¤¤é¤ì¤¿³²P¤ÎÂ¬Äê¡¢ÅÚ¾í¤ä¿¢ÊªÃæ¤ÎÃæÀ»ÒÊü¼Í²½À¸À®Êª¤ÎÂ¬Äê¤Ë¤è¤ëÇ®ÃæÀ»Ò¡¢Ç®³°ÃæÀ»Ò¥Õ¥ë¡¼¥¨¥ó¥¹¤ÎÉ¾²ÁÅù¡¢Êü¼ÍÀþ¥â¥Ë¥¿°Ê³°¤ËÍÍ¡¹¤ÊÊýË¡¤¬ÍÑ¤¤¤é¤ì¤¿¡£¤³¤ì¤é¤ÎÊýË¡¤Ë¤Ï¡¢ÃæÀ»ÒÃÇÌÌÀÑ¡¢ÃæÀ»Ò¤Î¶õµ¤Ãæ¤Î¸º¿ê¡¢¶õµ¤°Ê³°¤ÎÊª¼Á¤Î¼×ÊÃ¸ú²Ì¤Ë¤è¤ë¸º¿ê¡¢»îÎÁÃæ¤Î¸µÁÇ¤ÎÎÌÅù¤ËÉÔ³ÎÄêÍ×ÁÇ¤¬Â¿¤¯¡¢Àµ³Î¤Ê¿ôÃÍ¤ò½Ð¤¹¤³¤È¤ÏÆñ¤·¤¤¡£ÃæÀ»ÒÂ«¤äÀþÎÌÎ¨¤ÎÂ¬Äê¤Ë¤Ï¡¢ÃæÀ»Ò¤È¥¬¥ó¥ÞÀþ¸¡½Ð´ï¤Ë¤è¤ëÄ¾ÀÜÂ¬Äê¤¬ºÇ¤â³Î¤«¤ÊÊýË¡¤Ç¤¢¤ê¡¢º£¸å¡¢Êü¼ÍÀþ¼è°·»ÜÀß¼þÊÕ¤Ç¤Î½½Ê¬¤ÊÇÛÈ÷¤¬É¬Í×¤Ç¤¢¤í¤¦¡£ ¸¶ÏÀÊ¸£± Data source 1¡§ ¸¶»ÒÎÏ°ÂÁ´°Ñ°÷²ñ¡¡¥¦¥é¥ó²Ã¹©¹©¾ìÎ×³¦»ö¸ÎÄ´ºº°Ñ°÷²ñÊó¹ð¤Î³µÍ× ¸¶»ÒÎÏ°ÂÁ´°Ñ°÷²ñ»öÌ³¶É ¸¶»ÒÎÏ°ÂÁ´°Ñ°÷²ñ ÆüËÜ¸¶»ÒÎÏ³Ø²ñ»ï¡¢Vol.42, No.5, 374-384 (2000). ¸¶ÏÀÊ¸£² Data source 2¡§ ¥¦¥é¥óÇ³ÎÁ²Ã¹©»ÜÀß¤Ë¤ª¤±¤ëÎ×³¦»ö¸Î ½»ÅÄ·òÆó¡¢Â¾Â¿¿ô ÂçºåÂç³Ø¡¢Â¾ ÆüËÜ¸¶»ÒÎÏ³Ø²ñ»ï¡¢Vol.42, No.8, 691-757 (2000). ¸¶ÏÀÊ¸£³ Data source 3¡§ Åì³¤Â¼JCOÎ×³¦»ö¸Î ¼ÆÅÄÆÁ»× ¹â¥¨¥Í¥ë¥®¡¼²ÃÂ®´ï¸¦µæµ¡¹½Êü¼ÍÀþ²Ê³Ø¥»¥ó¥¿¡¼¡¢305-0801 ¤Ä¤¯¤Ð»ÔÂçÊæ1-1 ÆüËÜÊªÍý³Ø²ñ»ï¡¢Vol.55, No.8, 579-586 (2000) ¸¶ÏÀÊ¸£´ Data source 4¡§ Passive gamma-ray spectrometry for the determination of total fission events in the JCO criticality accident '99 in Tokai T.Mitsugashira, M.Hara, T.Nakanishi, T.Sekine, R.Seki, S.Kojima The Oarai-branch, Institute for Material Research, Tohoku University,Narita-machi, Oarai-machi, Ibaraki 311-1313, Japan, ¡¡Department of Chemistry, Faculty of Science, Kanazawa University, Kakuma-machi,Kanazawa,Ishikawa 920-1191, Japan, Department of Chemistry, Tohoku¡¡University, Aramaki, Aoba-ku, Sendai 980-8587, Japan, ¡¡Department of¡¡Chemistry, The University of Tsukuba, Tennoudai,Tsukuba 305-8571, Japan,¡¡Radioisotope Research Center, Aichi Medical University, Nagakute-machi,¡¡Aichi 480-1195, Japan J. Environ. Radioact., 50 (2000) 21-26 ¸¶ÏÀÊ¸£µ Data source 5¡§ Neutron dose and power released by the JCO criticality accident in¡¡Tokai-mura T.Imanaka Research Reactor Institute, Kyoto University, Kumatori-cho, Sennan-gun, Osaka 590-0494, Japan J. Environ. Radioact., 50 (2000) 15-20. »²¹Í»ñÎÁ£± Reference 1¡§ Neutron dose estimates from 5-yen coins M.Kohno, Y.Koizumi Department of Nuclear Engineering, Kyoto University, Yoshida, Sakyo, Kyoto 606-8501, Japan Nature, Vol.406, 17 August (2000) 693. »²¹Í»ñÎÁ£² Reference 2¡§ An estimation of fast neutron flux by ³⁵Cl(n,¦Á)³²P reaction H.Kofuji, K.Komura, Y.Yamada, M.Yamamoto Low Level Radioactivity Laboratory, Kanazawa University, Wake, Tatsunokuchi, Ishikawa 923-1224, Japan J. Environ. Radioact., 50 (2000) 49-54 »²¹Í»ñÎÁ£³ Reference 3¡§ Activation of gold by the neutrons from the JCO accident K.Komura, A.M.Yousef, Y.Murata, T.Mitsugashira, R.Seki, T.Imanaka Low Level Radiation Laboratory, Kanazawa University, Tatsunokuchi,Ishikawa 923-1224. Japan, The Oarai-branch, IMR, Tohoku University, Narita-machi, Oarai-machi, Ibaraki 311-1313, Japan J. Environ. Radioact., 50 (2000) 77-82 »²¹Í»ñÎÁ£´ Reference 4¡§ Tritium, deuterium and gamma-emmitting nuclides in plant leaves in the JCO campus M.Ichimasa, E.Sasajima, K.Sato, Y.Ichimasa Department of Environmental Science, Faculty of Science, Ibaraki¡¡University, Mito 310-8512, Japan J. Environ. Radioact., 50 (2000) 145-149 »²¹Í»ñÎÁ£µ Reference 5¡§ Residual neutron-induced radionuclides in a soil sample collected in the vicinity of the criticality accident site in Tokai-mura, Japan: A Progress Report T.Nakanishi, R.Hosotani, K.Komura, T. Muroyama, H.Kofuji, Y.Murata, Y.Watanabe, T.Ban-nai Department of Chemistry, Faculty of Science, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan, Low Level Radioactivity Laboratory, Kanazawa University, Tatsunokuchi-machi,Ishikawa 923-1224, Japan J. Environ, Radioact., 50 (2000) 61-68. »²¹Í»ñÎÁ£¶ Reference 6¡§ Informationen und Analysen zum Kritikalitatsunfall in Tokai-mura K.Kugeler, H.Brockmann, Peter-W.Phlippen, W.Scherer, J.Singh Forschungszentrum Julich GmbH, Institut fur Sicherheitsforschung und Reaktortechnik, 52425 Julich Atomwirtschaft-Atomitechnik, 44. Jg. (1999) Heft 11-November 630-634. »²¹Í»ñÎÁ£· Reference 7¡§ ÆÃ½¸¡§JCOÎ×³¦»ö¸Î¤òÂÎ¸³¤·¤Æ¤ë¡¢(1)JCOÎ×³¤»ö¸Î´µ¼Ô¤Î½é´ü¼£ÎÅ¡¢(2)3Ì¾¤Îºî¶È¼Ô¤ÎÀþÎÌ»»Äê¤òÃæ¿´¤Ë¡¢(3)¥µ¥¤¥¯¥ëµ¡¹½¤ÎÂÐ±þ¤È¤½¤ÎÃæ¤Ç´¶¤¸¤¿ÌäÂêÅÀ¡¢(4)¸¶¸¦¤ÎÊÝ·òÊªÍý´Ø·¸¤Î¼è¤êÁÈ¤ß¡¢(5)JCOÎ×³¦»ö¸Î¤Î´Ä¶¥â¥Ë¥¿¥ê¥ó¥°¤òÂÎ¸³¤·¤Æ¡¢(6)Î×³¦»ö¸Î¤Ç¤ÎÅÅÎÏ¥Á¡¼¥à¤Î³èÆ°¤Ë¤Ä¤¤¤Æ¡¢(7)ÊÝ·òÊªÍý³Ø¤È¸¶»ÒÎÏËÉºÒ (1)ÎëÌÚ¸µ¡¢(2)²¼Æ»Ô¢¡¢(3)¼Ä¸¶¹ñÉ§¡¢(4)»³ËÜ¹î½¡¡¡Â¾¡¢(5)Ê¿°æÊÝÉ×¡¢(6)Ã«¸ýÏÂ»Ë¡¢(7)¾®½ÐÍµ¾Ï (1)Êü¼ÍÀþ±Æ¶Á¸¦µæ½ê¡¢(2)Êü¼ÍÀþ°å³ØÁí¹ç¸¦µæ½ê¡¢(3)¥µ¥¤¥¯¥ëµ¡¹½Åì³¤»ö¶È½ê¡¢(4)ÆüËÜ¸¶»ÒÎÏ¸¦µæ½ê¡¢(5)°ñ¾ë¸©¸ø³²¥»¥ó¥¿¡¼¡¢(6)ÆüËÜ¸¶»ÒÎÏÈ¯ÅÅêÅì³¤È¯ÅÅ½ê¡¢(7)µþÅÔÂç³Ø¸¶»ÒÏ§¼Â¸³½ê ÊÝ·òÊªÍý¡¢Vol.35 , No.1 (2000) 3-38 »²¹Í»ñÎÁ£¸ Reference 8¡§ ¥¦¥é¥ó²Ã¹©¹©¾ìÎ×³¦»ö¸Î¤Î»ö¾Ý²òÀÏ¡¢(µ)È¿±þÅÙÅêÆþÎÌ¤ÈÎ×³¦»ö¾Ý¤Î²òÀÏ »°ÃÝ¡¡Éá¡¢ßÀºê¡¡³Ø¡¢²ÃÆ£Î´°ì¡¢Ý¯°æ½Ó¸ã¡¡ ¸¶»ÒÎÏÈ¯ÅÅµ»½Ñµ¡¹½¡¢»°É©½Å¹©¶È¡¢¥³¥ó¥Ô¥å¡¼¥¿¥½¥Õ¥È³«È¯(³ô) ÆüËÜ¸¶»ÒÎÏ³Ø²ñ»ï¡¢Vol.42 , No.10 (2000) 1079-1081 ¥¡¼¥ï¡¼¥É¡§Î×³¦»ö¸Î¡¢ÄÀÅÂÁå¡¢ÃæÀ»Ò¡¢¥¬¥ó¥ÞÀþ¡¢Î×³¦È¿±þ¡¢³ËÊ¬Îö¡¢ÀþÎÌ¡¢ÃæÀ»ÒÀþÎÌÎ¨¡¢ criticality accident, precipitation vessel, neutron, gamma-ray, criticality¡¡reaction, nuclear fission, dose, neutron dose rate Ê¬Îà¥³¡¼¥É¡§040103, 040104, 040205
Êü¼ÍÀþÍøÍÑµ»½Ñ¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥á¥¤¥ó¥Ú¡¼¥¸¤Ø