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Neptunium Decay Chain (4n + 1) st 1 Progeny kev and % abundance 241 - 241 Pu decays ~100 % of the time by â to Am & 0.0023 % of the time by á to U 237 241 Pu 241 Am - â 21 (~100.0) 14.4y 237 U á 4850 (0.0003), 4900 (0.0019) 241 Am 237 Np á 5440 (13), 5490 (85) 432.2y ã 26 (2.4), 33 (0.1), 59.5 (36) Np x-rays 14 (43) 237 U 237 Np - â 248 (96) 6.75d ã 26 (2.3), 59.5 (34), 208 (22) Np x-rays 4 (71), 97 (16), 101 (26), 114 (12) 237 233 Np Pa á 4650 (12), 4780 (75) 2.14E6y ã 30 (14), 86 (14), 145 (1) Pa x-rays 13.3 (59), 92 (1.58), 96 (2.6), 108 (1.2) 233 Pa 233 U - â 145 (37), 257 (58), 568 (5) 27.0d ã 75 (1.2), 87 (1.9), 311 (49) U x-rays 14 (49), 96 (28), 111 (8) 233 229 U Th á 4780 (15), 4820 (83) 1.592E5y Th x-rays 13 (3.9) 229 225 Th Ra á 4840 (58), 4900 (11), 5050 (7) 7.34E3y ã 31 (4), 137 (2), 211 (3.3) Ra x-rays 12 (81), 85 (16), 100 (12) Neptunium Decay Chain (4n + 1) st 1 Progeny kev and % abundance 241 - 241 Pu decays ~100 % of the time by â to Am & 0.0023 % of the time by á to U 237 241 Pu 241 Am - â 21 (~100.0) 14.4y 237 U á 4850 (0.0003), 4900 (0.0019) 241 Am 237 Np á 5440 (13), 5490 (85) 432.2y ã 26 (2.4), 33 (0.1), 59.5 (36) Np x-rays 14 (43) 237 U 237 Np - â 248 (96) 6.75d ã 26 (2.3), 59.5 (34), 208 (22) Np x-rays 4 (71), 97 (16), 101 (26), 114 (12) 237 233 Np Pa á 4650 (12), 4780 (75) 2.14E6y ã 30 (14), 86 (14), 145 (1) Pa x-rays 13.3 (59), 92 (1.58), 96 (2.6), 108 (1.2) 233 Pa 233 U - â 145 (37), 257 (58), 568 (5) 27.0d ã 75 (1.2), 87 (1.9), 311 (49) U x-rays 14 (49), 96 (28), 111 (8) 233 229 U Th á 4780 (15), 4820 (83) 1.592E5y Th x-rays 13 (3.9) 229 225 Th Ra á 4840 (58), 4900 (11), 5050 (7) 7.34E3y ã 31 (4), 137 (2), 211 (3.3) Ra x-rays 12 (81), 85 (16), 100 (12) Page 29 Page 29 Neptunium Decay Chain (4n + 1) st 1 Progeny kev and % abundance 241 - 241 Pu decays ~100 % of the time by â to Am & 0.0023 % of the time by á to U 237 241 Pu 241 Am - â 21 (~100.0) 14.4y 237 U á 4850 (0.0003), 4900 (0.0019) 241 Am 237 Np á 5440 (13), 5490 (85) 432.2y ã 26 (2.4), 33 (0.1), 59.5 (36) Np x-rays 14 (43) 237 U 237 Np - â 248 (96) 6.75d ã 26 (2.3), 59.5 (34), 208 (22) Np x-rays 4 (71), 97 (16), 101 (26), 114 (12) 237 233 Np Pa á 4650 (12), 4780 (75) 2.14E6y ã 30 (14), 86 (14), 145 (1) Pa x-rays 13.3 (59), 92 (1.58), 96 (2.6), 108 (1.2) 233 Pa 233 U - â 145 (37), 257 (58), 568 (5) 27.0d ã 75 (1.2), 87 (1.9), 311 (49) U x-rays 14 (49), 96 (28), 111 (8) 233 229 U Th á 4780 (15), 4820 (83) 1.592E5y Th x-rays 13 (3.9) 229 225 Th Ra á 4840 (58), 4900 (11), 5050 (7) 7.34E3y ã 31 (4), 137 (2), 211 (3.3) Ra x-rays 12 (81), 85 (16), 100 (12) Neptunium Decay Chain (4n + 1) st 1 Progeny kev and % abundance 241 - 241 Pu decays ~100 % of the time by â to Am & 0.0023 % of the time by á to U 237 241 Pu 241 Am - â 21 (~100.0) 14.4y 237 U á 4850 (0.0003), 4900 (0.0019) 241 Am 237 Np á 5440 (13), 5490 (85) 432.2y ã 26 (2.4), 33 (0.1), 59.5 (36) Np x-rays 14 (43) 237 U 237 Np - â 248 (96) 6.75d ã 26 (2.3), 59.5 (34), 208 (22) Np x-rays 4 (71), 97 (16), 101 (26), 114 (12) 237 233 Np Pa á 4650 (12), 4780 (75) 2.14E6y ã 30 (14), 86 (14), 145 (1) Pa x-rays 13.3 (59), 92 (1.58), 96 (2.6), 108 (1.2) 233 Pa 233 U - â 145 (37), 257 (58), 568 (5) 27.0d ã 75 (1.2), 87 (1.9), 311 (49) U x-rays 14 (49), 96 (28), 111 (8) 233 229 U Th á 4780 (15), 4820 (83) 1.592E5y Th x-rays 13 (3.9) 229 225 Th Ra á 4840 (58), 4900 (11), 5050 (7) 7.34E3y ã 31 (4), 137 (2), 211 (3.3) Ra x-rays 12 (81), 85 (16), 100 (12) Page 29 Page 29
Progeny kev and % abundance 225 Ra 225 Ac - â 320 (100.0) 14.8d ã 40 (31) Ac x-rays 13 (16) 225 Ac 221 Fr - â 21 (~100.0) 10.0d ã 63 (0.6), 100 (3), 150 (1) Fr x-rays 12 (21), 85 (3), 98 (0.8) 221 Fr 217 At á 6126 (15), 6242 (1.4), 6340 (83.4) 4.8m ã 100 (0.2), 218 (12.5), 412 (0.1) At x-rays 11 (2.3), 80 (2), 92 (0.6) 217 213 At Bi á 7066 (99.9) 0.0323s ã 595 (0.04) 213 - 213 Bi decays 97.84 % of the time by â to Po & 2.16 % of the time by á to Tl 209 213 213 - Bi Po â 320 (1.06), 980 (32), 1420 (64) 45.65m ã 293 (0.7), 440 (28), 1100 (0.5) Po x-rays 11 (1.8), 78 (3.4), 90 (1) 209 Tl á 5549 (0.16), 5870 (2) 213 209 Po Pb á 8377 (~ 100.0) 4.2E-6s 209 Tl 209 Pb - â 1825 (100.0) 2.20m ã 117 (77), 465 (96.6), 1567 (99.7) Pb x-rays 10.6 (8.7), 74 (16), 85 (4.4) 209 209 - Pb Bi â 645 (100) 209 3.253h Bi is stable Page 30 Progeny kev and % abundance 225 Ra 225 Ac - â 320 (100.0) 14.8d ã 40 (31) Ac x-rays 13 (16) 225 Ac 221 Fr - â 21 (~100.0) 10.0d ã 63 (0.6), 100 (3), 150 (1) Fr x-rays 12 (21), 85 (3), 98 (0.8) 221 Fr 217 At á 6126 (15), 6242 (1.4), 6340 (83.4) 4.8m ã 100 (0.2), 218 (12.5), 412 (0.1) At x-rays 11 (2.3), 80 (2), 92 (0.6) 217 213 At Bi á 7066 (99.9) 0.0323s ã 595 (0.04) 213 - 213 Bi decays 97.84 % of the time by â to Po & 2.16 % of the time by á to Tl 209 213 213 - Bi Po â 320 (1.06), 980 (32), 1420 (64) 45.65m ã 293 (0.7), 440 (28), 1100 (0.5) Po x-rays 11 (1.8), 78 (3.4), 90 (1) 209 Tl á 5549 (0.16), 5870 (2) 213 209 Po Pb á 8377 (~ 100.0) 4.2E-6s 209 Tl 209 Pb - â 1825 (100.0) 2.20m ã 117 (77), 465 (96.6), 1567 (99.7) Pb x-rays 10.6 (8.7), 74 (16), 85 (4.4) 209 209 - Pb Bi â 645 (100) 209 3.253h Bi is stable Page 30 Progeny kev and % abundance 225 Ra 225 Ac - â 320 (100.0) 14.8d ã 40 (31) Ac x-rays 13 (16) 225 Ac 221 Fr - â 21 (~100.0) 10.0d ã 63 (0.6), 100 (3), 150 (1) Fr x-rays 12 (21), 85 (3), 98 (0.8) 221 Fr 217 At á 6126 (15), 6242 (1.4), 6340 (83.4) 4.8m ã 100 (0.2), 218 (12.5), 412 (0.1) At x-rays 11 (2.3), 80 (2), 92 (0.6) 217 213 At Bi á 7066 (99.9) 0.0323s ã 595 (0.04) 213 - 213 Bi decays 97.84 % of the time by â to Po & 2.16 % of the time by á to Tl 209 213 213 - Bi Po â 320 (1.06), 980 (32), 1420 (64) 45.65m ã 293 (0.7), 440 (28), 1100 (0.5) Po x-rays 11 (1.8), 78 (3.4), 90 (1) 209 Tl á 5549 (0.16), 5870 (2) 213 209 Po Pb á 8377 (~ 100.0) 4.2E-6s 209 Tl 209 Pb - â 1825 (100.0) 2.20m ã 117 (77), 465 (96.6), 1567 (99.7) Pb x-rays 10.6 (8.7), 74 (16), 85 (4.4) 209 209 - Pb Bi â 645 (100) 209 3.253h Bi is stable Page 30 Progeny kev and % abundance 225 Ra 225 Ac - â 320 (100.0) 14.8d ã 40 (31) Ac x-rays 13 (16) 225 Ac 221 Fr - â 21 (~100.0) 10.0d ã 63 (0.6), 100 (3), 150 (1) Fr x-rays 12 (21), 85 (3), 98 (0.8) 221 Fr 217 At á 6126 (15), 6242 (1.4), 6340 (83.4) 4.8m ã 100 (0.2), 218 (12.5), 412 (0.1) At x-rays 11 (2.3), 80 (2), 92 (0.6) 217 213 At Bi á 7066 (99.9) 0.0323s ã 595 (0.04) 213 - 213 Bi decays 97.84 % of the time by â to Po & 2.16 % of the time by á to Tl 209 213 213 - Bi Po â 320 (1.06), 980 (32), 1420 (64) 45.65m ã 293 (0.7), 440 (28), 1100 (0.5) Po x-rays 11 (1.8), 78 (3.4), 90 (1) 209 Tl á 5549 (0.16), 5870 (2) 213 209 Po Pb á 8377 (~ 100.0) 4.2E-6s 209 Tl 209 Pb - â 1825 (100.0) 2.20m ã 117 (77), 465 (96.6), 1567 (99.7) Pb x-rays 10.6 (8.7), 74 (16), 85 (4.4) 209 209 - Pb Bi â 645 (100) 209 3.253h Bi is stable Page 30
Page 1 and 2: HANDBOOK OF RADIATION DATA HANDBOOK
Page 3 and 4: Abbreviations 115 Activity vs Expos
Page 5 and 6: EMERGENCY RESPONSE SWIMS for Radiol
Page 7 and 8: Major Injuries Occurring in Hazardo
Page 9 and 10: ACUTE RADIATION EFFECTS ACUTE RADIA
Page 11 and 12: CONTAMINATED / INJURED PERSON FORM
Page 13 and 14: Z Density Z Density 76 Osmium Os 22
Page 15 and 16: Radioactive Decay Radioactive Decay
Page 17 and 18: Progeny kev and % abundance 41 Ar 4
Page 19 and 20: Progeny kev and % abundance 65 Ni 6
Page 21 and 22: Progeny kev and % abundance 134 I 1
Page 23 and 24: Progeny kev and % abundance 220 216
Page 25 and 26: Progeny kev and % abundance 234 Th
Page 27 and 28: Thorium-232 Decay Chain including t
Page 29 and 30: Uranium-238 Decay (including Radon
Page 31: Progeny kev and % abundance Progeny
Page 35 and 36: Progeny kev and % abundance Progeny
Page 37 and 38: Rem/hr / Ci Sv/hr / GBq Half-Life C
Page 47 and 48: Gamma exposure at 30 cm vs Particle
Page 49 and 50: Activity in DPM vs Particle Size in
Page 51 and 52: DOSIMETRY 1 Bq = 1 dps = 2.7 E-11 C
Page 53 and 54: INTERNAL DOSIMETRY Effective Half-L
Page 55 and 56: 1 RADIATION WEIGHTING FACTORS (ICRP
Page 57 and 58: RADIATION INTERACTIONS Charged Part
Page 59 and 60: CALCULATING NEUTRON SHIELD THICKNES
Page 61 and 62: Neutron and Gamma Shielding SIMPLIF
Page 63 and 64: Shallow Dose Correction Factor In a
Page 65 and 66: Photon Fluence Rate ö from a Point
Page 67 and 68: A comparison of signal levels for v
Page 69 and 70: INSTRUMENT SELECTION AND USE Exposu
Page 71 and 72: Airborne Radioactivity (long-lived)
Page 73 and 74: AIR MONITORING Concentration Concen
Page 75 and 76: Filter Media Characteristics for Al
Page 77 and 78: 10CFR20 DAC 10CFR835 DAC 10CFR20 AL
Page 83 and 84:
10CFR20 DAC 10CFR835 DAC 10CFR20 AL
Page 85 and 86:
Page 87 and 88:
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
Page 95 and 96:
Page 97 and 98:
Page 99 and 100:
Page 101 and 102:
Page 103 and 104:
Page 105 and 106:
STCs = Special Tritium Compounds 1
Page 107 and 108:
Z # K K L L 96 Cm 109.10 123.24 14.
Page 109 and 110:
Z # K K L L 45 Rh 20.21 22.72 2.70
Page 111 and 112:
MDA when background and sample coun
Page 113 and 114:
ELEVATIONS OF MAJOR AIRPORTS AND FA
Page 115 and 116:
INTERNATIONAL AIRPORT ELEVATIONS (F
Page 117 and 118:
SI and US “Traditional” Units A
Page 119 and 120:
CONVERSION OF UNITS Length 1 angstr
Page 121 and 122:
Radiological 1 rad = 100 ergs / g 1
Page 123 and 124:
Power 1 joule/sec = 1E7 ergs/sec 1
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SURFACE AREA AND VOLUME CALCULATION
Page 127 and 128:
RULES OF THUMB FOR ALPHA PARTICLES
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RULES OF THUMB FOR BETA PARTICLES 1
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RULES OF THUMB FOR GAMMA RADIATION
Page 133 and 134:
APPROXIMATE NEUTRON ENERGIES cold n
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Energy & Yield of neutrons from the
Page 137 and 138:
Isotopic Mix of WG Pu 238 Pu 239 Pu
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Neutron exposure rate from the oxid
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Isotopic Mix of 20% Enriched U 238
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UNITS AND TERMINOLOGY “Special Un
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RADON FACTS 1 working level = 222 3
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Relative Risk Your overall risk of
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Advanced Radiation Instrumentation
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