Re: activity in NM sewer

[Muckerheide <muckerheide@attbi.com>]

on 11/1/02 9:34 AM, Frohmberg, Eric at Eric.Frohmberg@STATE.ME.US wrote:



> The following papers talk about radioiodine binding to the biofilms in the

> sewers - so the transit time from flush to sewage treatment plant is

> increased compared to other radionuclides.  Don't know if this is helpful,

> but it is interesting you have to admit...



Measuring an 8 day half-life radionuclide in a sewage pathway is more

useless and 'waste'ful than "interesting." :-)



Regards, Jim



> Fenner, F.D. J.E. Martin. 1997. Behavior of Na-131 I and Meta (131-I)

> iodobenzylguanidine (MIBG) in municipal sewarage. Health Physics.

> 73(2):333-339

> 

> Prichard, H.M. T.F. Gesell., and E. Davis. 1981. Iodine-131 Levels in Sludge

> and Treated Municipal Wastewaters Near a Large Medical Complex. Amer. J.

> Public Health. 71(1):47-52

> 

> -Eric

> 

> Eric Frohmberg

> Toxicologist

> Key Plaza, 8th Floor

> 11 State House Station

> Augusta, ME 04333-0011

> Tel: (207) 287-8141

> FAX: (207) 287-3981

> TTY: (207) 287-8066

> eric.frohmberg@state.me.us

> 

> 

> -----Original Message-----

> From: Lucia Riccardi [mailto:lucia.riccardi@unipd.it]

> Sent: Wednesday, October 30, 2002 8:51 AM

> To: radsafe@list.vanderbilt.edu

> Subject: activity in NM sewer

> 

> 

> 

> I need to know approximate fractions of activity realesed in urine by

> nuclear medicine patients immediately after the injection and  the total

> activity realesed during the following 10 days. I'd like to find these data

> for different radiopharmaceuticals (marked by 99mTc, 111In, 67Ga, 18F, 51Cr,

> 59Fe, 201Tl, 123I), in order to calculate the  realesed activity in sewer.

> 

> Anyone can suggest a practical article or a web site, or other free sources

> of information?

> Thank You in advance

> 

> Lucia Riccardi

> Medical Physicist

> Padova, Italy

> 

> 



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