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Áž¦¸¥Áš¸¥„´ o°¤¼¨ °Š UNSCEAR (1988, 1993, 2000) ‡nµž¦·¤µ–¦´Š¸Â„¤¤µ—¼ —„¨ºœ (D) ‡n µ„´¤¤´œ˜£µ¡¦´ Š¸
¤¤¼¨ °ŠÁ¦Á—¸¥¤ (Ra eq) ‡nµ—´œ¸ª´—‡ªµ¤Á¸É ¥Š¦´Š¸š¸É ŗo¦´‹µ„£µ¥œ°„¦nµŠ„µ¥ (Hex ) ¨³‡nµž¦·¤µ–¦´Š¸¥´ŠŸ¨š¸Éŗo¦´
‹µ„£µ¥œ°„¦n µŠ„µ¥ž¦³‹Îµže (AEDout) —´ŠÂ—ŠÅªoĜ˜µ¦µŠš¸É 2
¦µ¥„µ¦
‡nµ„´¤¤´œ˜£µ¡‹ÎµÁ¡µ³ (Bq/kg)
40K 232Th 226Ra 137Cs
‡nµÁŒ¨¸É¥š»„°ÎµÁ£°Äœ‹´ Š®ª´—
œ‡¦«¦¸›¦¦¤¦µ 4313.18 ± 148.16 73.95 ± 4.15 108.55 ± 31.19 0.39 ± 0.20
‡nµÁŒ¨¸É¥ °ŠœŠ.ž. (£µ‡Ä˜o) 511.04 ± 7.04 211.19 ± 1.98 171.55 ± 3.13 1.13 ± 0.49
‡nµÁŒ¨¸É¥ °ŠœŠ.ž.(ž¦³Áš«Åš¥) 400 40 48 -
‡nµÁŒ¨¸É¥ °Š„µ¦ª·‹´¥š´ÉªÃ¨„ 400 30 35 -
™µœš¸É Á„ȝ˜´ª°¥n µŠ
(‹Îµœªœ˜´ª°¥n µŠ)
‡nµ„´¤¤´œ˜£µ¡‹ÎµÁ¡µ³ÁŒ¨¸É¥
(Bq/kg) D
(nGy/h)
Raeq
(Bq/kg) Hex
AEDout
(mSv/y)
226 Ra 232 Th 40K
1. °ÎµÁ£°‹»¯µ£¦–r (6) 53.84 58.34 2529.57 165.89 332.04 0.90 0.20
2. °ÎµÁ£°³°ª—(11) 64.13 62.38 2005.04 151.43 307.72 0.83 0.19
3. °ÎµÁ£°ÁŒ¨· ¤¡¦³Á„¸¥¦˜·(5) 65.40 49.76 3802.24 218.56 429.33 1.16 0.27
4. °ÎµÁ£°Á¸¥¦Ä®n(10) 84.03 70.49 2847.11 200.52 404.05 1.09 0.25
5. °ÎµÁ£°®´ªÅš¦(11) 82.18 7.06 3036.75 168.01 326.11 0.88 0.21
6. °ÎµÁ£°¦n°œ¡· ¼¨¥r (8) 131.56 77.91 3928.22 271.81 544.95 1.47 0.33
7. °ÎµÁ£°Á¤º°Š (22) 117.49 90.65 4962.80 287.76 564.35 1.52 0.35
8. °ÎµÁ£°oµŠ„¨µŠ(3) 112.14 96.66 2995.74 248.89 501.87 1.36 0.31
9. °ÎµÁ£° œ°¤ (4) 68.80 60.61 4279.69 246.65 485.01 1.31 0.30
10. °Î µÁ£°š»nŠŠ(13) 112.38 65.81 4299.23 245.03 487.36 1.32 0.30
11.°ÎµÁ£°ŒªµŠ (10) 94.49 74.69 4031.17 244.32 484.69 1.31 0.30
˜µ¦µŠš¸É 1 —Š„µ¦Áž¦¸ ¥Áš¸¥‡nµÁŒ¨¸É ¥ °Š‡n µ„´¤¤´œ˜£µ¡‹Î µÁ¡µ³Äœ˜´ª°¥nµŠ—·œ °Šš»„°Î µÁ£°Äœ‹´Š®ª´—
œ‡¦«¦¸›¦¦¤¦µ „´ o°¤¼¨ °ŠÎµœ´„Šµœž¦¤µ–¼Á¡ºÉ°´œ˜·š¸É¤¸°¥¼nĜž¦³Áš«Åš¥Â¨³ o°¤¼ ¨‹µ„„µ¦ª·‹´¥š´ÉªÃ¨„
˜µ¦µŠš¸É 2 —Š‡nµÁŒ¨¸É ¥„´¤¤´ œ˜£µ¡‹ÎµÁ¡µ³ °Šœ· ªÅ‡¨—r 226Ra, 232Th ¨³ 40K Ĝ˜´ª°¥nµŠ—· œ‹Îµœªœ
180 ˜´ª°¥nµŠ‹µ„ 23 °ÎµÁ£° °Š‹´Š®ª´ —œ‡¦«¦¸›¦¦¤¦µ ‡nµÁŒ¨¸É ¥¦ª¤ °Š‡nµ„´¤¤´œ˜£µ¡‹ÎµÁ¡µ³š¸É čoĜ„µ¦
Áž¦¸¥Áš¸ ¥„´ o °¤¼¨ °Š UNSCEAR(1988,1993, 2000) ‡nµž¦·¤µ–¦´ Š¸Â„¤¤µ—¼—„¨ºœ(D) ‡n µ„´¤¤´œ˜£µ¡¦´Š¸
¤¤¼¨ °ŠÁ¦Á—¸¥¤ (Raeq) ‡n µ—´œ¸ ª´—‡ªµ¤Á¸É¥Š¦´ Š¸š¸É ŗo ¦´‹µ„£µ¥œ°„¦n µŠ„µ¥ (Hex) ¨³‡n µž¦·¤µ–¦´ Š¸¥´ŠŸ¨š¸É
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