RE: Mass Loading values for Children at Playgrounds

["Morgan, Ben" <ben.morgan@pgnmail.com>]

James,



Section 4.6 of NUREG-6697 (available on-line at www.nrc.gov under reference

library/technical reports) discusses the range of values for mass loading of

soil in air used by the RESRAD dose assessment code. I didn't see a specific

mention of playgrounds, but this may be a starting point. Section 5.6 of the

same reference lists values for soil ingestion, which you may also want to

consider.



Regards,



Ben





ben.morgan@pgnmail.com



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

From: James Weldy [mailto:jweldy@cnwra.swri.edu]

Sent: Tuesday, October 02, 2001 6:03 PM

To: radsafe@list.vanderbilt.edu

Subject: Mass Loading values for Children at Playgrounds





I am performing a dose assessment which involves a scenario in which the

dirt on the ground at a playground is contaminated. I am looking for a

reference to support a value for the concentration of dust in the air that a

child playing at the playground is exposed. I have not been able to find

anything in my searches to this point. If anyone could point me to an

appropriate reference for this value, I would appreciate it greatly.



Thanks,



James Weldy

Southwest Research Institute

San Antonio, TX



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