Rad Data Handbook 20.. - Voss Associates

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Airborne Radioactivity (long-lived) C S = R N / (V x å x SA x CE x CF) C S = activity concentration at end of sample run time R N = net counting rate V = sample volume å = detector efficiency SA = self-absorption factor CE = collection efficiency CF = conversion from disintegrations per unit time to activity Airborne Radioactivity (short-lived) -ëts -ëtd C S = R N / [V x å x SA x CE x CF x (1-e ) x (e )] t s = sample count time t d = time elapsed between end of sample run time and start of sample count time RESPIRATORY PROTECTION FACTORS (PF) 10CFR20 Device Mode Particulates Vapors PF Air-purifying half-mask D Y N 10 Air-purifying full-face D Y N 50 Air-purifying full-face PP Y N 1000 Supplied-air hood PP Y Y 1000* Supplied-air full-face PP Y Y 2000 SCBA D Y N 50 SCBA PD Y Y 10,000 * 2000 for supplied-air hood if run at max flow with calibrated flow gauge. Bubble suits have been used in Pu atmospheres as high as 1,000,000 DAC. Supplied-air respirators are worn inside the bubble suits and real-time air monitoring INSIDE the bubble suits is performed. 68 Airborne Radioactivity (long-lived) C S = R N / (V x å x SA x CE x CF) C S = activity concentration at end of sample run time R N = net counting rate V = sample volume å = detector efficiency SA = self-absorption factor CE = collection efficiency CF = conversion from disintegrations per unit time to activity Airborne Radioactivity (short-lived) -ëts -ëtd C S = R N / [V x å x SA x CE x CF x (1-e ) x (e )] t s = sample count time t d = time elapsed between end of sample run time and start of sample count time RESPIRATORY PROTECTION FACTORS (PF) 10CFR20 Device Mode Particulates Vapors PF Air-purifying half-mask D Y N 10 Air-purifying full-face D Y N 50 Air-purifying full-face PP Y N 1000 Supplied-air hood PP Y Y 1000* Supplied-air full-face PP Y Y 2000 SCBA D Y N 50 SCBA PD Y Y 10,000 * 2000 for supplied-air hood if run at max flow with calibrated flow gauge. Bubble suits have been used in Pu atmospheres as high as 1,000,000 DAC. Supplied-air respirators are worn inside the bubble suits and real-time air monitoring INSIDE the bubble suits is performed. 68 Airborne Radioactivity (long-lived) C S = R N / (V x å x SA x CE x CF) C S = activity concentration at end of sample run time R N = net counting rate V = sample volume å = detector efficiency SA = self-absorption factor CE = collection efficiency CF = conversion from disintegrations per unit time to activity Airborne Radioactivity (short-lived) -ëts -ëtd C S = R N / [V x å x SA x CE x CF x (1-e ) x (e )] t s = sample count time t d = time elapsed between end of sample run time and start of sample count time RESPIRATORY PROTECTION FACTORS (PF) 10CFR20 Device Mode Particulates Vapors PF Air-purifying half-mask D Y N 10 Air-purifying full-face D Y N 50 Air-purifying full-face PP Y N 1000 Supplied-air hood PP Y Y 1000* Supplied-air full-face PP Y Y 2000 SCBA D Y N 50 SCBA PD Y Y 10,000 * 2000 for supplied-air hood if run at max flow with calibrated flow gauge. Bubble suits have been used in Pu atmospheres as high as 1,000,000 DAC. Supplied-air respirators are worn inside the bubble suits and real-time air monitoring INSIDE the bubble suits is performed. 68 Airborne Radioactivity (long-lived) C S = R N / (V x å x SA x CE x CF) C S = activity concentration at end of sample run time R N = net counting rate V = sample volume å = detector efficiency SA = self-absorption factor CE = collection efficiency CF = conversion from disintegrations per unit time to activity Airborne Radioactivity (short-lived) -ëts -ëtd C S = R N / [V x å x SA x CE x CF x (1-e ) x (e )] t s = sample count time t d = time elapsed between end of sample run time and start of sample count time RESPIRATORY PROTECTION FACTORS (PF) 10CFR20 Device Mode Particulates Vapors PF Air-purifying half-mask D Y N 10 Air-purifying full-face D Y N 50 Air-purifying full-face PP Y N 1000 Supplied-air hood PP Y Y 1000* Supplied-air full-face PP Y Y 2000 SCBA D Y N 50 SCBA PD Y Y 10,000 * 2000 for supplied-air hood if run at max flow with calibrated flow gauge. Bubble suits have been used in Pu atmospheres as high as 1,000,000 DAC. Supplied-air respirators are worn inside the bubble suits and real-time air monitoring INSIDE the bubble suits is performed. 68
Ventilation Rates Ventilation rates of work areas for health physics and industrial hygiene requirements is typically 6 to 7 volume turnovers per hour. Calculate the ventilation rate in CFM to ventilate a room at 7 volume turnovers per hour given room dimensions of 30 feet by 30 feet by 10 feet. Volume of the room is 30 x 30 x 10 = 9,000 cubic feet. Seven volume turnovers per hour would be 7 times 9,000 cubic feet or 63,000 cubic feet per hour (1,050 CFM) room ventilation rate. Lung Deposition from ICRP 30 AMAD NP TB ì Naso-pharanx Trachea-bronchus Alveolar 0.1 0.01 0.08 0.61 1 0.3 0.08 0.25 10 0.9 0.08 0.04 Ventilation Rates Ventilation rates of work areas for health physics and industrial hygiene requirements is typically 6 to 7 volume turnovers per hour. Calculate the ventilation rate in CFM to ventilate a room at 7 volume turnovers per hour given room dimensions of 30 feet by 30 feet by 10 feet. Volume of the room is 30 x 30 x 10 = 9,000 cubic feet. Seven volume turnovers per hour would be 7 times 9,000 cubic feet or 63,000 cubic feet per hour (1,050 CFM) room ventilation rate. Lung Deposition from ICRP 30 AMAD NP TB ì Naso-pharanx Trachea-bronchus Alveolar 0.1 0.01 0.08 0.61 1 0.3 0.08 0.25 10 0.9 0.08 0.04 Naso-Pharyngeal Naso-Pharyngeal Regions of Deposition Tracheobronchial Regions of Deposition Tracheobronchial Alveolar Alveolar 69 69 Ventilation Rates Ventilation rates of work areas for health physics and industrial hygiene requirements is typically 6 to 7 volume turnovers per hour. Calculate the ventilation rate in CFM to ventilate a room at 7 volume turnovers per hour given room dimensions of 30 feet by 30 feet by 10 feet. Volume of the room is 30 x 30 x 10 = 9,000 cubic feet. Seven volume turnovers per hour would be 7 times 9,000 cubic feet or 63,000 cubic feet per hour (1,050 CFM) room ventilation rate. Lung Deposition from ICRP 30 AMAD NP TB ì Naso-pharanx Trachea-bronchus Alveolar 0.1 0.01 0.08 0.61 1 0.3 0.08 0.25 10 0.9 0.08 0.04 Ventilation Rates Ventilation rates of work areas for health physics and industrial hygiene requirements is typically 6 to 7 volume turnovers per hour. Calculate the ventilation rate in CFM to ventilate a room at 7 volume turnovers per hour given room dimensions of 30 feet by 30 feet by 10 feet. Volume of the room is 30 x 30 x 10 = 9,000 cubic feet. Seven volume turnovers per hour would be 7 times 9,000 cubic feet or 63,000 cubic feet per hour (1,050 CFM) room ventilation rate. Lung Deposition from ICRP 30 AMAD NP TB ì Naso-pharanx Trachea-bronchus Alveolar 0.1 0.01 0.08 0.61 1 0.3 0.08 0.25 10 0.9 0.08 0.04 Naso-Pharyngeal Naso-Pharyngeal Regions of Deposition Tracheobronchial Regions of Deposition Tracheobronchial Alveolar Alveolar 69 69
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Abbreviations 115 Activity vs Expos
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RADIOLOGICAL EMERGENCY RESPONSE Wri
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HAZARD CONTROL PRIORITIES DURING ME
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ACUTE RADIATION EFFECTS 0 - 25 REM
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TABLE OF THE ELEMENTS Z Density Z D
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Relative Locations of Products of N
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RADIOACTIVE DECAY MODES OF COMMONLY
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Progeny kev and % abundance 55 Fe 5
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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 and 24: Progeny kev and % abundance 241 Am
Page 25 and 26: Progeny kev and % abundance Progeny
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: 6CEN The 6CEN equation can be used
Page 73 and 74: AIR FLOW METER CORRECTIONS Mass Flo
Page 75 and 76: 10CFR20 DAC 10CFR835 DAC 10CFR20 AL
Page 103 and 104: External Exposure in a Cloud of Air
Page 105 and 106: Characteristic X-Rays (KeV) of the
Page 107 and 108: Z # K K L L 103 Lr 71 Lu 54.06 61.2
Page 109 and 110: COUNTING STATISTICS COUNTING STATIS
Page 111 and 112: ELEVATION VS AIR PRESSURE Barometri
Page 113 and 114: NE Omaha 983 UT Cedar City 5,623 NH
Page 115 and 116: COMPOSITION OF AIR Density of Symbo
Page 117 and 118: ABBREVIATIONS ampere A, or amp angs
Page 119 and 120: 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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