Re: XRDs and interlocks

["James G. Barnes" <mail15077@pop.net>]

Melissa,

Our Siemans equipment has similar capabilities.  I have also received a 
Phillips unit with a similar override.

Phillips was explicit in its technical materials that the override key was to 
be turned over to the radiation safety professionals.  Sieman's was not so 
explicit, but that is what we did.

I think I would "politely demand" that the key be turned over to radiation 
safety before I permitted operation.  There is no reason that the researcher 
needs such a key to the equipment.

Jim Barnes, CHP
Radiation Safety Officer
Rocketdyne Division; Rockwell Aerospace

========================================

    > 
    > What's worse is that I've noticed on two XRDs that were purchased from 
    > Siemens within the last year, there is a key lock right on the operator's 
    > console for defeating the interlocks!!!  Are other manufacturers doing 
    > this, or is it just Siemens?
    > 
    > (Melissa to researcher who installed the two Siemens units, "You are 
    > going to remove those keys and put them in a location inaccessible and 
    > unknown to anyone but yourself... NOW."  :-) )
    > 
    > --
    >  Melissa Woo, Health Physicist                       | m-woo@uiuc.edu
    >  University of Illinois at Urbana-Champaign          | office 
    > 1.217.244.7233
    >  DEHS, MC-225, 101 S. Gregory St., Urbana, IL  61801 | fax    
    > 1.217.244.6594
    >  http://www.uiuc.edu/ph/www/m-woo                    |
    > 
    > 
    > 
    >