[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Radon limits

At 11:50 AM 10/28/02 +0100, Jan Skowronek wrote:

is it true that in 1941 in U.S. the limit of radon concentration in air at the workplaces has been equal 370 Bq/m3?
*****************************
October 28, 2002
Davis, CA

Up until the 1960's it was one working level or 100 pCi/L = 3700 Bq/m3, assuming decay product equilibrium.

Otto


**********************************************
Prof. Otto G. Raabe, Ph.D., CHP
Center for Health & the Environment
(Street Address: Bldg. 3792, Old Davis Road)
University of California, Davis, CA 95616
E-Mail: ograabe@ucdavis.edu
Phone: (530) 752-7754 FAX: (530) 758-6140
*********************************************** ************************************************************************ You are currently subscribed to the Radsafe mailing list. To unsubscribe, send an e-mail to Majordomo@list.vanderbilt.edu Put the text "unsubscribe radsafe" (no quote marks) in the body of the e-mail, with no subject line. You can view the Radsafe archives at http://www.vanderbilt.edu/radsafe/