Table 5.
Representative table from Handbook F on the use of the Ludlum 12S survey meter for radiological triage screening of the aduit female at distances of 6 and 30 cm. Exposure scenario 6: acute inhalation of60 Co aerosol at 5 µm AMAD and solubility class Type M.
| Ludlum 12S Survey Meter (Distance from Surface of 50th Percentile Adult Female; 6 cm) |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Time Since Intake |
Nat Count Rate (cpm) for 50 mSv ED |
Nat Count Rate (cpm) for 250 mSv ED |
Nat Count Rate (cpm) for 500 mSv ED |
||||||||||
| Time (days) |
Time (hours) |
AP Chest |
AP Abdomen |
PA Chest |
PA Abdomen |
AP Chestt |
AP Abdomen |
PA Chest |
PA Abdomen |
AP Chest |
AP Abdomen |
PA Chest |
PA Abdomen |
| 0.5 | 4.24E+05 | 3.34E+05 | 2.24E+05 | 2.20E+05 | 2.12E+06 | 1.67E+06 | 1.12E+06 | 1.10E+06 | 4.24E+06 | 8.34E+06 | 2.24E+06 | 2.20E+06 | |
| 1 | 3.94E+05 | 3.78E+05 | 2.17E+05 | 2.46E+05 | 1.97E+06 | 1.89E+06 | 1.09E+06 | 1.23E+06 | 3.94E+06 | 3.78E+06 | 2.17E+06 | 2.46E+06 | |
| 2 | 3.47E+05 | 4 08E+05 | 1.95E+05 | 2.47E+05 | 1.74E+06 | 2.04E+06 | 9.77E+05 | 1.23E+06 | 3.17E+06 | 4.34E+06 | 1.85E+06 | 2.47E+06 | |
| 4 | 3.16E+05 | 4.40E+05 | 1.74E+05 | 2.24E+05 | 1.58E+06 | 2.20E+06 | 8.72E+05 | 1.12E+06 | 3.16E+06 | 4.40E+06 | 1.74E+06 | 2.24E+06 | |
| 6 | 3.04E+05 | 4.57E+05 | 1.64E+05 | 2.05E+05 | 1.52E+06 | 2.29E+06 | 8.19E+05 | 1.02E+06 | 3.04E+06 | 4.57E+06 | 1.54E+06 | 2.05E+06 | |
| 8 | 2.95E+05 | 4.65E+05 | 1.56E+05 | 1.91E+05 | 1.47E+06 | 2.32E+06 | 7.80E+05 | 9.56E+05 | 2.95E+06 | 4.65E+06 | 1.56E+06 | 1.91E+06 | |
| 10 | 2.85E+05 | 4.66E+05 | 1.50E+05 | 1.81E+05 | 1.43E+06 | 2.33E+06 | 7.48E+05 | 9.06E+05 | 2.85E+06 | 4.66E+06 | 1.50E+06 | 1.81E+06 | |
| 12 | 2.75E+05 | 4.62E+05 | 1.44E+05 | 1.73E+05 | 1.38E+06 | 2.31E+06 | 7.19E+05 | 8.67E+05 | 2.85E+06 | 4.62E+06 | 1.44E+06 | 1.73E+06 | |
| 14 | 2.65.E+05 | 4.54E+05 | 1.39E+05 | 1.67E+05 | 1.33E+06 | 2.27E+06 | 6.93E+05 | 8.34E+05 | 2.65E+06 | 4.54E+06 | 1.39E+06 | 1.67E+06 | |
| 16 | 2.55E+05 | 4.42E+05 | 1.34E+05 | 1.60E+05 | 1.27E+06 | 2.21E+06 | 6.69E+05 | 8.02E+05 | 2.55E+06 | 4.42E+06 | 1.34E+06 | 1.60E+06 | |
| 18 | 2.45E+05 | 4.Z9E+05 | 1.29E+05 | 1.54E+05 | 1.22E+06 | 2.15E+06 | 6.45E+05 | 7.72E+05 | 2.45E+06 | 4.29E+06 | 1.29E+06 | 1.54E+06 | |
| 20 | 2.35E+05 | 4.14E+05 | 1.24E+05 | 1.48E+05 | 1.17E+06 | 2.07E+06 | 6.22E+05 | 7.42E+05 | 2.35E+06 | 4.14E+06 | 1.24E+06 | 1.48E+06 | |
| 1 | 2.15E+05 | 3.82E+05 | 1.16E+05 | 1.37E+05 | 1.08E+06 | 1.91E+06 | 5.79E+05 | 6.83E+05 | 2.15E+06 | 3.82E+06 | 1.16E+06 | 1.37E+06 | |
| 2 | 1.30E+05 | 1.99E+05 | 7.99E+04 | 1.81E+04 | 6.50E+05 | 9.95E+05 | 3.99E+05 | 3.31E+05 | 1.30E+06 | 1.99E+06 | 7.99E+05 | 7.81E+05 | |
| 3 | 9.00E+04 | 9.98E+04 | 6.33E+04 | 4.80E+04 | 4.50E+05 | 4.99E+05 | 3.16E+05 | 2.40E+05 | 9.00E+05 | 9.98E+05 | 6.33E+05 | 4.80E+05 | |
| 4 | 7.32E+04 | 5.72E+04 | 5.61E+04 | 3.50E+04 | 3.66E+05 | 2.86E+05 | 2.80E+05 | 1.75E+05 | 7.32E+05 | 5.72E+05 | 5.61E+05 | 3.50E+05 | |
| 5 | 6.60E+04 | 3.99E+04 | 5.27E+04 | 2.95E+04 | 3.30E+05 | 2.00E+05 | 2.64E+05 | 1.48E+05 | 6.60E+05 | 3.99E+05 | 5.27E+05 | 2.95E+05 | |
| 6 | 6.26E+04 | 3.28E+04 | 5.09E+04 | 2.70E+04 | 3.13E+05 | 1.64E+05 | 5.14F+04 | 1.35E+05 | 6.26E+05 | 3.28E+05 | 5.09E+05 | 2.70E+05 | |
| 7 | 6.06E+04 | 2.96E+04 | 4.96E+04 | 2.57E+04 | 3.03E+05 | 1.48E+05 | 2.48E+05 | 1.28E+05 | 6.06E+05 | 2.96E+05 | 4.96E+05 | 2.57E+05 | |
| 8 | 5.92E+04 | 2.80E+04 | 4.86E+04 | 2.48E+04 | 2.96E+05 | 1.40E+05 | 2.43E+05 | 1.24E+05 | 5.92E+05 | 2.80E+05 | 4.86E+05 | 2.48E+05 | |
| 9 | 5.81E+04 | 2.69E+04 | 4.77E+04 | 2.41E+04 | 2.90E+05 | 1.3SE+05 | 2.39E+05 | 1.21E+05 | 6.81E+05 | 2.69E+05 | 4.77E+05 | 2.41E+05 | |
| 10 | 5.70E+04 | 2.61E+04 | 4.69E+04 | 2.38E+04 | 2.85E+05 | 1.31E+05 | 2.34E+05 | 1.18E+05 | 5.70E+05 | 2.61E+05 | 4.69E+05 | 2.38E+05 | |
| 15 | 5.30E+04 | 2.37E+04 | 4.36E+04 | 2.16E+04 | 2.85E+05 | 1.19E+05 | 2.18E+05 | 1.08E+05 | 5.30E+05 | 2.37E+05 | 2.36E+05 | 2.18E+05 | |
| 20 | 4.90E+04 | 2.14E+04 | 4.03E+04 | 1.97E+04 | 2.45E+05 | 1.07E+05 | 2.02E+05 | 9.86E+04 | 4.90E+05 | 2.14E+05 | 4.03E+05 | 1.87E+05 | |
| 25 | 4.61E+04 | 2.01E+04 | 3.79E+04 | 1.86E+04 | 2.30E+05 | 1.00E+05 | 1.90E+05 | 9.28E+04 | 4.61E+05 | 2.01E+05 | 3.79E+05 | 1.86E+05 | |
| 30 | 4.32E+04 | 1.88E+04 | 3.56E+04 | 1.74E+04 | 2.16E+05 | 9.38E+05 | 1.78E+05 | 8.70E+04 | 4.32E+056 | 1.88E+05 | 3.56E+05 | 1.74E+05 | |
| Ludlum 12S Survey Meter (Distance from Surface of 50th Percentile Adult Female: 30 cm) |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Time Since Intake |
Net Count Rate (cpm) for 50 mSv ED |
Net Count Rate (cpm) for 250 mSv ED |
Net Count Rate (cpm) for 500 mSv ED |
||||||||||
| Time (days) |
Time (hours) |
AP Chest |
AP Abdomen |
PA Chest |
PA Abdomen |
AP Chest |
AP Abdomen |
PA Chest |
PA >Abdomen |
AP Chest |
AP Abdomen |
PA Chest |
PA Abdomen |
| 0.5 | 1.32E+05 | 9.82E+04 | 6.30E+04 | 6.59E+04 | 6.59E+05 | 4.91E+05 | 3.15E+05 | 3.29E+05 | 1.32E+06 | 9.82E+05 | 6.30E+05 | 6.59E+05 | |
| 1 | 1.28E+05 | 1.03E+05 | 6.27E+04 | 6.99E+04 | 6.38E+05 | 5.16E+05 | 3.14E+05 | 3.50E+05 | 1.28E+06 | 1.03E+06 | 6.27E+05 | 6.99E+05 | |
| 2 | 1.21E+05 | 1.05E+05 | 5.96E+04 | 6.79E+04 | 6.04E+05 | 5.26E+05 | 2.98E+05 | 3.40E+05 | 1.21E+06 | 1.05E+06 | 5.96E+05 | 6.79E+05 | |
| 4 | 1.15E+05 | 1.07E+05 | 5.49E+04 | 6.27E+04 | 5.76E+05 | 5.33E+05 | 2.75E+05 | 3.13E+05 | 1.15E+06 | 1.07E+06 | 5.49E+05 | 6.27E+05 | |
| 6 | 1.12E+05 | 1.07E+05 | 5.18E+04 | 5.88E+04 | 5.59E+05 | 5.33E+05 | 2.59E+05 | 2.94E+05 | 1.12E+06 | 1.07E+06 | 5.18E+05 | 5.88E+05 | |
| 8 | 1.09E+05 | 1.05E+05 | 4.93E+04 | 5.59E+04 | 5.43E+05 | 5.26E+05 | 2.47E+05 | 2.80E+05 | 1.09E+06 | 1.05E+06 | 4.93E+05 | 5.59E+05 | |
| 10 | 1.05E+05 | 1.03E+05 | 4.73E+04 | 5.36E+04 | 5.26E+05 | 5.15E+05 | 2.36E+05 | 2.88E+05 | 1.05E+06 | 1.03E+06 | 4.73E+05 | 5.38E+05 | |
| 12 | 1.02E+05 | 1.100E+05 | 4.54E+04 | 5.16E+04 | 5.08E+05 | 5.10E+05 | 2.27E+05 | 2.58E+05 | 1.02E+06 | 1.00E+06 | 4.54E+05 | 5.16E+05 | |
| 14 | 9.78E+04 | 9.69E+04 | 4.36E+04 | 4.97E+04 | 4.89E+05 | 4.84E+05 | 2.18E+05 | 2.49E+05 | 9.78E+05 | 9.69E+05 | 4.36E+05 | 4.97E+05 | |
| 16 | 9.39E+04 | 9.33E+04 | 4.19E+04 | 4.79E+04 | 4.70E+05 | 4.67E+05 | 2.10E+05 | 2.40E+05 | 9.39E+05 | 9.33E+05 | 4.19E+05 | 4.79E+05 | |
| 18 | 9.00E+04 | 8.96E+04 | 4.03E+04 | 4.61E+04 | 4.50E+05 | 4.48E+05 | 2.01E+05 | 2.31E+05 | 9.00E+05 | 8.96E+05 | 4.03E+05 | 4.61E+05 | |
| 20 | 8.61E+04 | 8.58E+04 | 3.87E+04 | 4.44E+04 | 4.30E+05 | 4.29E+05 | 1.93E+05 | 2.22E+05 | 8.61E+05 | 8.58E+05 | 3.87E+05 | 4.44E+05 | |
| 1 | 7.83E+04 | 7.81E+04 | 3.56E+04 | 4.09E+04 | 3.92E+05 | 3.91E+05 | 1.78E+05 | 2.04E+05 | 7.83E+05 | 7.81E+05 | 3.56E+05 | 4.09E+05 | |
| 2 | 4.28E+04 | 4.11E+04 | 2.20E+04 | 2.44E+04 | 2.14E+05 | 2.01E+05 | 1.10E+05 | 1.22E+05 | 4.28E+05 | 4.11E+05 | 2.20E+05 | 2.44E+05 | |
| 3 | 2.57E+04 | 2.27E+04 | 1.55E+04 | 1.61E+04 | 1.29E+05 | 1.14E+05 | 7.74E+04 | 8.05E+04 | 2.57E+05 | 2.27E+05 | 1.55E+05 | 1.61E+05 | |
| 4 | 1.86E+04 | 1.50E+04 | 1.27E+04 | 1.25E+04 | 9.28E+04 | 7.48E+04 | 6.35E+04 | 6.27E+04 | 1.86E+05 | 1.50E+05 | 1.27E+05 | 1.25E+05 | |
| 5 | 1.56E+04 | 1.18E+04 | 1.15E+04 | 1.10E+04 | 7.81E+04 | 5.90E+04 | 5.74E+04 | 5.51E+04 | 1.56E+05 | 1.18E+05 | 1.15E+05 | 1.10E+05 | |
| 6 | 1.43E+04 | 1.05E+04 | 1.09E+04 | 1.03E+04 | 7.15E+04 | 5.23E+04 | 5.44E+04 | 5.15E+04 | 1.43E+05 | 1.05E+05 | 1.09E+05 | 1.03E+05 | |
| 7 | 1.38E+04 | 9.80E+03 | 1.05E+04 | 9.89E+03 | 6.82E+04 | 4.90E+04 | 5.26E+04 | 4.94E+04 | 1.36E+05 | 9.80E+04 | 1.05E+05 | 9.89E+04 | |
| 8 | 1.32E+04 | 9.42E+03 | 1.03E+04 | 9.61E+03 | 6.61E+04 | 4.71E+04 | 5.13E+04 | 4.80E+04 | 1.32E+05 | 9.42E+04 | 1.03E+05 | 9.61E+04 | |
| 9 | 1.29E+04 | 9.15E+03 | 1.00E+04 | 9.39E+03 | 6.45E+04 | 4.58E+04 | 5.02E+04 | 4.69E+04 | 1.29E+05 | 9.15E+04 | 1.00E+05 | 9.39E+04 | |
| 10 | 1.26E+04 | 8.93E+03 | 9.84E+03 | 9.19E+03 | 6.31E+04 | 4.47E+04 | 4.92E+04 | 4.56E+04 | 1.26E+05 | 8.93E+04 | 9.84E+04 | 9.19E+04 | |
| 15 | 1.17E+04 | 8.20E+03 | 9.11E+03 | 8.48E+03 | 5.83E+04 | 4.10E+04 | 4.56E+04 | 4.24E+04 | 1.17E+05 | 8.20E+04 | 9.11E+04 | 8.48E+04 | |
| 20 | 1.07E+04 | 7.47E+03 | 8.38E+03 | 7.78E+03 | 5.35E+04 | 3.73E+04 | 4.19E+04 | 3.89E+04 | 1.07E+05 | 7.47E+04 | 8.33E+04 | 7.78E+04 | |
| 25 | 1.01E+04 | 7.02E+03 | 7.89E+03 | 7.32E+03 | 5.03E+04 | 3.51E+04 | 3.94E+04 | 3.66E+04 | 1.01E+05 | 7.02E+04 | 7.89E+04 | 7.32E+04 | |
| 30 | 9.43E+03 | 6.58E+03 | 7.39E+03 | 6.88E+03 | 4.72E+04 | 3.29E+04 | 3.70E+04 | 3.43E+04 | 9.43E+04 | 6.58E+04 | 7.39E+04 | 6.88E+04 | |