Airborne Radioactivity Area and radon

[epirad@mchsi.com]

It is my understanding that "an airborne radioactivity 

area would exist in an area where an employee worked for 

40 hours per week and the radon-222 concentration in 

the area exceeded 7.5 picocuries per liter. An airborne 

radioactivity area requires employee monitoring and 

restricted access to the area by the public."



Does anyone know of even one instance where this has 

been enforced for radon?





http://www.cdc.gov/niosh/78127_10.html#correspondence



http://www.osha.gov/pls/oshaweb/owadisp.show_document?

p_table=INTERPRETATIONS&p_id=20874&p_text_version=FALSE



http://www.osha.gov/pls/oshaweb/owadisp.show_document?

p_table=INTERPRETATIONS&p_id=20097&p_text_version=FALSE



Regards, Bill



****************************************************

R. William Field, Ph.D.

College of Public Health

Department of Epidemiology

N222 Oakdale Hall

University of Iowa

Iowa City, Iowa 52242



Phone:319-335-4413

Fax:     319-335-4748

Email: bill-field@uiowa.edu



Community of Science: http://myprofile.cos.com/Fieldrw





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