Environmental
   
Instruments
       
Canada Inc.
http://www.eic.nu

Uranium Radiation Safety Toolkit v2.0

Long Lived Radioactive Dust (LLRD) Concentration by Gross Alpha Counting

   Notes:
   
  Input Fields Calculated Fields   
Enter the sample pump flow rate (L/min):   
Enter the sampling time (min): Air volume sampled (m3)
Enter the efficiency of the TM372 counter (or equivalent):   
Enter the gross counts from the counter:   
Enter the sample count time (min):  Gross counts per minute
Enter the background counts from the counter:   
Enter the background count time (min):    Background cpm 
     Bq/m3 
Optional Input:     
Enter the 20 mSv ALI (Bq)   ÁSv/h equivalent dose rate (assuming 1.2 m3/h breathing rate) 

 

 

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