The St. Lucie reactor containment building equipment hatch opens directly to 
the outside during refueling outages.  I would appreciate information on how 
PWRs monitor and quantify effluents from their equipment hatch.

Specifically:


1.       What air samples are taken at the equipment hatch opening (e.g. 
particulate, charcoal, noble gas, tritium)?

2.       What frequency are the samples counted?

3.       Is the air sample placed in a defined position, e.g.  in a specific 
location with respect to the hatch opening?

4.       Is the equipment hatch monitoring a Chemistry or Radiation Protection 
function?

5.       Does the sampling protocol change depending on the containment purge 
system operation?

6.       Do you have a study that has determined the plant ventilation 
conditions and the resultant effluent flow rates?



If you have any specific OE or have had regulatory interest in this area, feel 
free to contact me directly.



Thanks is advance!!!

         [cid:[email protected]]
    Brent L. Robinson
        TECHNICAL RP SUPERINTENDENT
         Florida Power & Light
         St. Lucie Plant
         6501 S. Ocean Drive
         Jensen Beach, Florida 34957

         (772) 467-7308
         [email protected]<mailto:[email protected]>



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