Page 405 - Emergency Response Book

Example Calculation 1 15

Dose rate at a distance of 2 meter from a source is 100 Sv/hr.

What is the dose rate at a distance of 1 meter from source?

X d 1 2 = X d 2

1
2 2

100 Sv/hr x (2 m x 2 m) = I x (1 m x 1 m)

2

I = 100 Sv/hr x 4 m 2

2

1 m 2

= 400 Sv/hr

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