Most of countries that follow the IAEA ST-1 Regulations for the Safe
Transport of Radioactive Material, Ed. 1996 need to adopt the document according
with the countries necessity. This document in fact don't give details about
this specific question and in general, the countries should to write guidance on
how to use it. If it is a national requirement, I do believe it is a right of
the users to ask offically to the Regulatory Authority the reasons for such
requeriment in case of soil density and moisture probes. What is written in the
ST-1 to guide in this subject is found in Section III - General Provisions.
So, if the vehicle and container is adequate for such transport, the
Radiation Protection and Safety of Sources follow the requeriment in Section
III, if to transport you have adequate records, labell and placards, emergency
procedures, training was provided, you can argue with the Regulatory Authority
to demonstrate tecnically the necessity of using a detector do transport soil
density and moisture probes.
Jose Julio Rozental
Israel
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