It would be very important to find radiation of significant levels at a UFO landing site. Today, although not generally in the public eye, enough is known about radiation that should we find radiation at the site of a reported UFO, full interpretation of it could tell us of the likely source, how strong it was, how big the object was, and how long it was there. Many other details are possible depending on the type of radiation found and how long it has been since the incident occurred. Information of this breadth, when associated with other likely details, would be a milestone in UFO research.
The expectation of finding radiation at a site is low, based on experience to date. However, if the capability for doing a survey or having one done is available, it is worthwhile because of the high level of information it could furnish to researchers. Though some forms of radiation decay very rapidly, other forms decay very slowly, so a radiation survey should be considered for even the oldest cases. In an old case the expectation of finding radiation would be much lower and the information derived from it would be proportionately less, but it would still be very important.
This chapter is not intended to train anyone to be a radiation expert. It will discuss only an initial survey with a general survey radiation detector. However, it is hoped that anyone studying the material closely could do an adequate survey for the purpose of gathering initial data and determining if a more extensive survey should be conducted by experts.