[ RadSafe ] Re: attn. Landauer Customers

[Flood, John]

Perhaps I missed a post on this subject, but the discussion seems to be
overlooking the in-transit exposure that a control dosimeter also monitors.
There is no doubt that accurate background subtraction is important to low
dose measurements, but the absence of background measurements can be a
horrifying experience if every dosimeter in the shipment to the processor
shows a few hundred mrem from irradiation in-transit.  This is a very real,
modern problem - if your dosimeters sit next to some clinic's radionuclide
shipment on the truck or in the warehouse, expect to see 50-300 mrem on
every dosimeter (how would I know this?).  Without control dosimeters, life
certainly gets more complicated.

Bob Flood
Nevada Test Site