RE: Los Angeles gets radiation detectors

["Ansari, Armin" <asa4@cdc.gov>]

> - -----Ursprungliche Nachricht-----

> Von: owner-radsafe@list.vanderbilt.edu

> [mailto:owner-radsafe@list.vanderbilt.edu]Im Auftrag von

> goldinem@SONGS.SCE.COM

> Gesendet: Freitag, 25. April 2003 17:53

> An: radsafe@list.vanderbilt.edu

> Betreff: Los Angeles gets radiation detectors

> 

> 

"What I wonder is, whether there are any regulations as to the

> maximum permissible doses to persons engaged in interventions - maybe the

> technical term is "first responders"."

> 

----------------------------------------------------





To my knowledge, there are no regulations as such, but there are "guidance

levels" that are used in emergency response planning.  Many agencies use the

following which is consistent with the EPA Manual of Protective Action

Guides And Protective Actions for Nuclear Incidents, EPA-400-R-92-001, May

1992.



The general guidance for all emergency response activities is 50 mSv (5

rem).

For protecting valuable property, it is 100 mSv (10 rem).

For life saving or protection of large populations, it is 250 mSv (25 rem).

Doses above 250 mSv are "permitted" on a voluntary basis providing that

first-responders are made aware of potential risks involved.



Regards,

Armin





> ___________________________________

> Armin Ansari, Ph.D., CHP

> Radiation Studies Branch, EHHE, NCEH

> Centers for Disease Control and Prevention 

> 1600 Clifton Rd, NE (MS-E39) 

> Atlanta, GA 30333

> 

> Ph: 404.498.1837 Fax: 404.498.1811

> AAnsari@cdc.gov 

> 

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