Dose Calculations and 137Cs Shot Log
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Source Calibration Data
Calibration paperwork update to 9/11/17, at 30.5cm, the exposure rate of the 20Ci source is 17.606 R/hr. The source strength on this date was 9.3Ci.
| Date | Initial Source Strength (Ci) | Current Source Strength (Ci) | Distance to Source (cm) | Exposure Rate (Roentgen/hr) |
| 6/27/17 | 20 | 9.3 | 30.5 | 17.691 |
| 9/11/17 | 20 | 9.3 | 30.5 | 17.606 |
| Date | Run Number | Run Time (s) | Distance to Source | Number of OSLs in Stack |
| 9/8/17 | 1 | 5660 | 30cm | 11 |
| 9/8/17 | 1 | 5660 | 30cm | 11 |
| 9/26/17 | 2 | 4500 | 30cm | 11 |
| 9/26/17 | 2 | 4500 | 30cm | 11 |