Rad Data Handbook 20.. - Voss Associates

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Thorium-232 Decay Chain including thoron st 1 Progeny kev and % abundance 232 228 Th Ra á 3830 (0.2), 3953 (23), 4010 (77) 1.41E10y ã 59 (0.19), 125 (0.04) Ra x-rays 12 (8.4) 228 Ra 228 Ac - â 39 (100) 5.75y 228 Ac 228 Th - â 606 (8), 1168 (32), 1741 (12) 6.13h ã 338 (11.4), 911 (27.7), 969 (16.6) Th x-rays 13 (39), 90 (2.1), 93 (3.5), 105 (1.6) 228 Th 224 Ra á 5212 (0.4), 5341 (26.7), 5423 (72.7) 1.91y ã 84 (1.2), 132 (0.12), 216 (0.24) Ra x-rays 12 (9.6) 224 Ra 220 Rn á 5449 (4.9), 5686 (95.1) 3.62d ã 241 (3.95) Rn x-rays 12 (0.4), 81 (0.126), 84 (0.209) 220 Rn is “thoron” gas, usually included with “radon” gas 220 216 Rn Po á 6288 (99.9), 5747 (0.1) 56s ã av. 550 (0.1) Thorium-232 Decay Chain including thoron st 1 Progeny kev and % abundance 232 228 Th Ra á 3830 (0.2), 3953 (23), 4010 (77) 1.41E10y ã 59 (0.19), 125 (0.04) Ra x-rays 12 (8.4) 228 Ra 228 Ac - â 39 (100) 5.75y 228 Ac 228 Th - â 606 (8), 1168 (32), 1741 (12) 6.13h ã 338 (11.4), 911 (27.7), 969 (16.6) Th x-rays 13 (39), 90 (2.1), 93 (3.5), 105 (1.6) 228 Th 224 Ra á 5212 (0.4), 5341 (26.7), 5423 (72.7) 1.91y ã 84 (1.2), 132 (0.12), 216 (0.24) Ra x-rays 12 (9.6) 224 Ra 220 Rn á 5449 (4.9), 5686 (95.1) 3.62d ã 241 (3.95) Rn x-rays 12 (0.4), 81 (0.126), 84 (0.209) 220 Rn is “thoron” gas, usually included with “radon” gas 220 216 Rn Po á 6288 (99.9), 5747 (0.1) 56s ã av. 550 (0.1) 22 22 Thorium-232 Decay Chain including thoron st 1 Progeny kev and % abundance 232 228 Th Ra á 3830 (0.2), 3953 (23), 4010 (77) 1.41E10y ã 59 (0.19), 125 (0.04) Ra x-rays 12 (8.4) 228 Ra 228 Ac - â 39 (100) 5.75y 228 Ac 228 Th - â 606 (8), 1168 (32), 1741 (12) 6.13h ã 338 (11.4), 911 (27.7), 969 (16.6) Th x-rays 13 (39), 90 (2.1), 93 (3.5), 105 (1.6) 228 Th 224 Ra á 5212 (0.4), 5341 (26.7), 5423 (72.7) 1.91y ã 84 (1.2), 132 (0.12), 216 (0.24) Ra x-rays 12 (9.6) 224 Ra 220 Rn á 5449 (4.9), 5686 (95.1) 3.62d ã 241 (3.95) Rn x-rays 12 (0.4), 81 (0.126), 84 (0.209) 220 Rn is “thoron” gas, usually included with “radon” gas 220 216 Rn Po á 6288 (99.9), 5747 (0.1) 56s ã av. 550 (0.1) Thorium-232 Decay Chain including thoron st 1 Progeny kev and % abundance 232 228 Th Ra á 3830 (0.2), 3953 (23), 4010 (77) 1.41E10y ã 59 (0.19), 125 (0.04) Ra x-rays 12 (8.4) 228 Ra 228 Ac - â 39 (100) 5.75y 228 Ac 228 Th - â 606 (8), 1168 (32), 1741 (12) 6.13h ã 338 (11.4), 911 (27.7), 969 (16.6) Th x-rays 13 (39), 90 (2.1), 93 (3.5), 105 (1.6) 228 Th 224 Ra á 5212 (0.4), 5341 (26.7), 5423 (72.7) 1.91y ã 84 (1.2), 132 (0.12), 216 (0.24) Ra x-rays 12 (9.6) 224 Ra 220 Rn á 5449 (4.9), 5686 (95.1) 3.62d ã 241 (3.95) Rn x-rays 12 (0.4), 81 (0.126), 84 (0.209) 220 Rn is “thoron” gas, usually included with “radon” gas 220 216 Rn Po á 6288 (99.9), 5747 (0.1) 56s ã av. 550 (0.1) 22 22
Progeny kev and % abundance Progeny kev and % abundance 216 Po 212 Pb á 6779 (99.998) 0.15s 212 Pb 212 Bi - â 158 (5.22), 334 (85.1), 573 (9.9) 10.64h ã 115 (0.6), 239 (44.6), 300 (3.4) Bi x-rays 11 (15.5), 75 (10.7), 77 (18), 87 (8) 212 - 212 Bi decays 64.07 % of the time by â to Po and 35.93 % of the time by á to Tl 208 212 Bi 208 Tl á 5767 (0.6), 6050 (25.2), 6090 (9.6) 60.6m 212 Po - â 625 (3.4), 1519 (8), 2246 (48.4) ã 727 (11.8), 785 (1.97), 1621 (2.75) Tl x-rays 10 (7.7) 212 Po 208 Pb á 8785 (100) 304ns 208 Tl 208 Pb - â 1283 (23.2), 1517 (22.7), 1794 (49.3) 3.05m ã 511 (21.6), 583 (84.2), 860 (12.46), 2614 (99.8) Pb x-rays 11 (2.9), 73 (2.0), 75 (3.4), 85 (1.5) 208 Pb is stable 216 Po 212 Pb á 6779 (99.998) 0.15s 212 Pb 212 Bi - â 158 (5.22), 334 (85.1), 573 (9.9) 10.64h ã 115 (0.6), 239 (44.6), 300 (3.4) Bi x-rays 11 (15.5), 75 (10.7), 77 (18), 87 (8) 212 - 212 Bi decays 64.07 % of the time by â to Po and 35.93 % of the time by á to Tl 208 212 Bi 208 Tl á 5767 (0.6), 6050 (25.2), 6090 (9.6) 60.6m 212 Po - â 625 (3.4), 1519 (8), 2246 (48.4) ã 727 (11.8), 785 (1.97), 1621 (2.75) Tl x-rays 10 (7.7) 212 Po 208 Pb á 8785 (100) 304ns 208 Tl 208 Pb - â 1283 (23.2), 1517 (22.7), 1794 (49.3) 3.05m ã 511 (21.6), 583 (84.2), 860 (12.46), 2614 (99.8) Pb x-rays 11 (2.9), 73 (2.0), 75 (3.4), 85 (1.5) 208 Pb is stable 23 23 Progeny kev and % abundance Progeny kev and % abundance 216 Po 212 Pb á 6779 (99.998) 0.15s 212 Pb 212 Bi - â 158 (5.22), 334 (85.1), 573 (9.9) 10.64h ã 115 (0.6), 239 (44.6), 300 (3.4) Bi x-rays 11 (15.5), 75 (10.7), 77 (18), 87 (8) 212 - 212 Bi decays 64.07 % of the time by â to Po and 35.93 % of the time by á to Tl 208 212 Bi 208 Tl á 5767 (0.6), 6050 (25.2), 6090 (9.6) 60.6m 212 Po - â 625 (3.4), 1519 (8), 2246 (48.4) ã 727 (11.8), 785 (1.97), 1621 (2.75) Tl x-rays 10 (7.7) 212 Po 208 Pb á 8785 (100) 304ns 208 Tl 208 Pb - â 1283 (23.2), 1517 (22.7), 1794 (49.3) 3.05m ã 511 (21.6), 583 (84.2), 860 (12.46), 2614 (99.8) Pb x-rays 11 (2.9), 73 (2.0), 75 (3.4), 85 (1.5) 208 Pb is stable 216 Po 212 Pb á 6779 (99.998) 0.15s 212 Pb 212 Bi - â 158 (5.22), 334 (85.1), 573 (9.9) 10.64h ã 115 (0.6), 239 (44.6), 300 (3.4) Bi x-rays 11 (15.5), 75 (10.7), 77 (18), 87 (8) 212 - 212 Bi decays 64.07 % of the time by â to Po and 35.93 % of the time by á to Tl 208 212 Bi 208 Tl á 5767 (0.6), 6050 (25.2), 6090 (9.6) 60.6m 212 Po - â 625 (3.4), 1519 (8), 2246 (48.4) ã 727 (11.8), 785 (1.97), 1621 (2.75) Tl x-rays 10 (7.7) 212 Po 208 Pb á 8785 (100) 304ns 208 Tl 208 Pb - â 1283 (23.2), 1517 (22.7), 1794 (49.3) 3.05m ã 511 (21.6), 583 (84.2), 860 (12.46), 2614 (99.8) Pb x-rays 11 (2.9), 73 (2.0), 75 (3.4), 85 (1.5) 208 Pb is stable 23 23
Page 1 and 2: Abbreviations 115 Activity vs Expos
Page 3 and 4: RADIOLOGICAL EMERGENCY RESPONSE Wri
Page 5 and 6: HAZARD CONTROL PRIORITIES DURING ME
Page 7 and 8: ACUTE RADIATION EFFECTS 0 - 25 REM
Page 9 and 10: TABLE OF THE ELEMENTS Z Density Z D
Page 11 and 12: Relative Locations of Products of N
Page 13 and 14: RADIOACTIVE DECAY MODES OF COMMONLY
Page 15 and 16: Progeny kev and % abundance 55 Fe 5
Page 17 and 18: Progeny kev and % abundance 99 Mo 9
Page 19 and 20: Progeny kev and % abundance 208 Tl
Page 21 and 22: Progeny kev and % abundance 229 Th
Page 23: Progeny kev and % abundance 241 Am
Page 27 and 28: Progeny kev and % abundance 222 Rn
Page 29 and 30: Neptunium Decay Chain (4n + 1) st 1
Page 31 and 32: Actinium Decay Chain (4n + 3) st 1
Page 33 and 34: Ci / g = 3.578E5 / (T 1/2 in years
Page 35 and 36: Rem/hr / Ci Sv/hr / GBq Half-Life C
Page 45 and 46: mRem/hr mSv/hr 1ì 10ì 100ì 1ì 1
Page 47 and 48: RADIATION BIOLOGY Maximum survivabl
Page 49 and 50: INTERNAL DOSIMETRY Calculating CDE
Page 51 and 52: EQUIVALENT DOSE, EFFECTIVE DOSE, an
Page 53 and 54: CALCULATING TODE AND TEDE TEDE = DD
Page 55 and 56: SHIELDING MATERIALS α a single she
Page 57 and 58: Beta Dose Rates in rad/hr per mCi M
Page 59 and 60: Combining Radiation Types to Determ
Page 61 and 62: NEUTRON SHIELD THICKNESS I = I0e -N
Page 63 and 64: Exposure Rate in an Air-Filled Ion
Page 65 and 66: Inverse Square Law 2 2 X 1 (D) 1 =
Page 67 and 68: Table 1 of DOE 5400.5 Surface Activ
Page 69 and 70: 6CEN The 6CEN equation can be used
Page 71 and 72: Ventilation Rates Ventilation rates
Page 73 and 74: AIR FLOW METER CORRECTIONS Mass Flo
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10CFR20 DAC 10CFR835 DAC 10CFR20 AL
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External Exposure in a Cloud of Air
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Characteristic X-Rays (KeV) of the
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Z # K K L L 103 Lr 71 Lu 54.06 61.2
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COUNTING STATISTICS COUNTING STATIS
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ELEVATION VS AIR PRESSURE Barometri
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NE Omaha 983 UT Cedar City 5,623 NH
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COMPOSITION OF AIR Density of Symbo
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ABBREVIATIONS ampere A, or amp angs
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Mass 1 gram = 0.03527 ounces 1 ounc
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Radiological 1 BTU = 235 1.28E-8 g
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CONSTANTS Avogadro's number (N 0) 6
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ELECTROMAGNETIC SPECTRUM Wavelength
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5. Air-proportional alpha detectors
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32 7. The bremsstrahlung from a 1 C
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RULES OF THUMB FOR NEUTRONS 1. The
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Spontaneous Fission Neutron and Gam
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Energy & Yield of neutrons from the
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WG Pu 15 years after fabrication 23
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Isotopic Mix of Natural U 238 U 234
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MISCELLANEOUS RULES OF THUMB 1. One
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PUBLIC RADIATION DOSES Average per
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COMPARATIVE RISKS OF RADIATION EXPO
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Voss Associates provides valuable t
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Publications Radiation Data Radiati
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Rad Data Handbook 20.. - Voss Associates

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