"Isotropic" Personal Dosimeter

[Chan-Hyeong Kim <chkim@trinity.tamu.edu>]

I need some information on the "isotropic" personal dosimeters. First, is
this kind of dosimeter commercially available now? Second, do you know 
where I can get the design information (size, shape, material and so on)
of these dosimeters? 

    Chan-hyeong Kim
    Nuclear Engineering 
    Texas A&M University
    Office: 19A Zachry, (409)845-7867
    ----> chkim@trinity.tamu.edu