Re: Dose Rates from Patients -Reply

[Bill Pitchford <wpitch4d@IMAP2.ASU.EDU>]

Just one more glitch: It is 100 mr in one hour, not 100 mr/hr.

Bill Pitchford
Radiation Protection Facility
Arizona State University
Tempe, Arizona 85287-3501

On Tue, 9 Jul 1996 BLHamrick@aol.com wrote:

> In a message dated 96-07-09 19:58:32 EDT, Connie Katarkus wrote:
> 
> << occupational dose-monitoring is required for those workers who are "likely
> to
>  receive" 10% of the MPD
>  (maximum permissible dose).  Since the whole-body occupational MPD is
>  5000mRem/year,  the staff would have to argue that they are 'likely' to
> receive
>  500mRem from these patient(s) to insist upon dosimetry >>
> 
> Just had to throw a regulatory rachet in the works - 10 CFR 20.1502(a)(3)
> also requires that individuals entering a "high radiation area" be monitored.
>  And, 10 CFR 20.1003 defines a "high radiation area" as "an area, accessible
> to individuals, in which radiation levels COULD result in an individual
> receiving a dose equivalent in excess of 0.1 rem in 1 hour at 30 cm (12
> in)..."  In other words, whoever the patient is accessible to must be
> monitored...as long as they're reading in excess of 100 mr/hr at a foot (11
> mr/hr at a meter?...it's late).
> 
> Barbara L. Hamrick
> Los Angeles County Radiation Management
> BLHamrick@aol.com
> 
>