If the inside dose is 5 cGyph and the outside dose is 20 cGyph, what is the correlation factor?

To determine the correlation factor between the inside dose and the outside dose in radiation exposure, you should calculate how many times the inside dose is needed to match the outside dose. In this scenario, the inside dose is 5 cGyph, and the outside dose is 20 cGyph.

The correlation factor is calculated by dividing the outside dose by the inside dose:

20 cGyph (outside dose) ÷ 5 cGyph (inside dose) = 4.

This means that the outside dose is four times greater than the inside dose. The correlation factor of 4 indicates the relationship between the two measured doses, showing that for every unit of dose received inside, there are four units received outside. This is a critical concept in CBRN reconnaissance operations as it helps assess the level of radiation exposure and inform safety decisions.