Table 1.

Summary of ¹³⁷Cs open air exposure-rate measurements with all data corrected to August 24, 1967

Measurement No.	Nominal source activity (mCi)	Nominal chamber-to-source distance (meters)	Measured $\dot{X}$ multiplied by D2 (mR · m2 · h−1)	A verage $\dot{X}{D}^2$ (mR · m2 · h−1)	Avg. $\dot{X}{D}^2$ corrected for room scatter (mR · m2 · h−1)
1	500	0.5	137.94
2	500	.5	137.62	137.83	137.20
3	500	.5	137.92
4	500	.5	137.36
5	500	.5	136.82	137.14	136.51
6	500	.5	137.24
7	500	1.0	139.58
8	500	1.0	140.03	139.80	137.27
10	50	0.5	15.05
11	50	.5	14.89	14.97	14.90
12	5	.5	1.34		1.33
13	100	.5	36.11		35.94