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RE: DAC for plutonium 239



Jay,Tom and other radsafers



And the ICRP values can be calculated from the ED values (Sv/Bq) in Pub. 68

Type M 1uM= 4.7E-4; 5uM=3.2E-5

Type S 1uM= 1.5E-5; 5uM=8.3E-6 

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-----Original Message-----

From: owner-radsafe@list.vanderbilt.edu

[mailto:owner-radsafe@list.vanderbilt.edu]On Behalf Of Poston, Jay

(John) (PEA)

Sent: February 20, 2004 12:57 PM

To: Tom; radsafe@list.vanderbilt.edu

Subject: RE: DAC for plutonium 239





Both!

The DAC for Class W is 3E-12 uCi/ml.

The DAC for Class Y is 7E-12 uCi/ml.



J. W. Poston, Jr., Ph.D., CHP, CSP

Manager, Health Physics



-----Original Message-----

From: Tom [mailto:tom@xrfcorp.com]

Sent: Friday, February 20, 2004 9:37 AM

To: radsafe@list.vanderbilt.edu

Subject: DAC for plutonium 239





Radsafers,



I am looking for the DAC for pu239.  CDC has a value of 7pCi/M^3   NRC 

reading room says its  3e^-12 uCi/ml.  Who is right?



Tom Hazlett

XRF Corporation



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