[ RadSafe ] Uranium and genotoxicity
sjd at swcp.com
Sat Jun 7 10:35:02 CDT 2008
Good luck on trying to obtain James' explanation of his degree,
assuming that he has one. A few weeks ago I asked him for his academic
credentials to lecture anyone about DU. I'm still waiting for a reply.
At 06:55 AM 6/7/08 -0500, Dan W McCarn wrote:
>Switch and bait, switch and bait: James, can you not stick to one
>issue. Fathallah (2007) focused his specious argument on uptake of DU
>into plants as well as water in "Southern Iraq" as the uranium .
>As a geologist, I'll stick mainly to geological topics and areas of
>first-hand knowledge such as the more than two decades of letters from my
>sister-in-law, while you James, having had no background, and no
>"first-hand knowledge" seem to be expert in everything. What is your
>From: jsalsman at gmail.com [mailto:jsalsman at gmail.com] On Behalf Of James
>Sent: Saturday, June 07, 2008 1:25 AM
>To: Dan W McCarn; radsafelist
>Subject: Re: [ RadSafe ] Uranium and genotoxicity
>Thank you for your message.
>What is your opinion on whether (U-238)O2-Y is more dangerous than
>(U-238)O3-D, as the ICRP and NRC assert, or does the bioavailability
>of the uranyl ion make equivalent activities of (U-238)O3 more of an
>ingestion and inhalation hazard?
> > James is persistent; I just wish that he would listen.
> > My presentation of moles per liter of PHREEQC
> > equilibrium concentrations has been previously presented.
>I wish you would listen, too. When will you use the 25,000 km^2 area
>in which depleted uranium munitions were used instead of "a third of
>Iraq," which is several times larger?
>Furthermore, have you taken into account that potable water in that
>region is taken from rainwater runoff?
> >... Also consider that groundwater may also have
> > a number of other trace metals and materials,
> > e.g. major anions & cations (Na, Ca, Cl, SO4,
> > HCO3, CO3) trace metals (selenium, molybdenum,
> > etc. that may concentrate in the soil zone over time.
> > It all depends on the "Leaching Coefficient", how
> > quickly or slowly specific analytes move through
> > the soil column.
>Does that imply that mathematical models require a firm foundation in
>empirical observation from weathering of the oxides to human
>bioavalability on the specific terain in question?
> > The fact is that the uranium does not concentrate
> > significantly in desert soils with the possible
> > exception of caliche- or gypcretes-forming soils....
>I will have to look those up.
>In the mean time, would you please have a look at this article and
>please tell me your opinion of it?
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