Uranium and logically plutonium are bring emitted and travelling

Radiation expert shows data on charts, on the gov website for radiation but deep within the data.

http://www.scribd.com/doc/53738142/Busby-Fukuparticles2

Great link on radiation decorpation (removal)

http://www.remm.nlm.gov/DMAT-Adm_Decorp_Drugs_Int_Rad_Contam_12-01-0311.pdf
for Uranium a good treatment is Sodium Bicarbonate (Baking soda, no joke here), and for blocking other radiation elements, Tums is actually really good.   I have heard none of this anywhere but my own research.  

Maybe "they" are worried about scaring people and having a run on Tums.   A rancher wouldn't treat his livestock like this.

I just found this, not yet analyzed---danger levels of uranium.   .07 g/M3 is the most conservative --- another "UNIT" to digest.

INTRODUCTION

Uranium presents both chemical and radiological hazards. Risk assessments must address both types of hazards, therefore. Unfortunately, there are some problems with the comparison of these hazards:

• insufficient data for chemical toxicity:
  there is no data available for long-term effects of uranium ingestion on humans, all information available is from intermediate-term studies on animals,
• standards for radiation doses and chemical toxicity not comparable:
  for radiation and for cancer-inducing effects of chemical toxics, a linear dose-effect relationship is assumed at low doses and low dose rates; therefore any standard can only limit the effects to a selected level, while for non-cancer-inducing effects of chemical toxics, the existence of a no-adverse-effect level is assumed.
• residual risk from chemical toxicity regarded acceptable usually is orders of magnitude lower than from radiation:
  the lifetime cancer risk from continuous radiation exposure at ICRP's dose rate standard for the public of 1 mSv/a during a 70 year lifetime is 1 : 286, and the lifetime cancer risk for workers exposed at ICRP's current dose rate standard for workers of 20 mSv/a during a 40 year work life is 1 : 31, while the acceptable lifetime risk from toxics often is selected in the 1 : 10,000 to 1 : 1,000,000 range.

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INHALATION

Inhalation: Chemical toxicity

(see also: Uranium Biokinetics Calculator) The study [ATSDR1999] reviews all published data on animal studies known on uranium toxicity:

• For the hazard from intermediate duration inhalation of soluble forms of uranium, the study [Rothstein1949a] on dogs, is used: It showed that uranium concentrations of 0.15 mg U/m³ in air produced the lowest observable adverse effect. From this figure, a "minimal risk" inhalation level for humans of 0.4 �g/m³ is derived, applying a number of safety factors.
• For the hazard from intermediate duration inhalation of insoluble forms of uranium, the study [Rothstein1949b] on dogs, is used: It showed that uranium concentrations of 1.1 mg U/m³ in air produced no observable adverse effect. From this figure, a "minimal risk" inhalation level for humans of 8 �g/m³ is derived, applying a number of safety factors.
• For the hazard from chronic duration inhalation of soluble forms of uranium, the study [Stokinger1953b] on dogs, is used: It showed that uranium concentrations of 0.05 mg U/m³ in air produced no observable adverse effect. From this figure, a "minimal risk" inhalation level for humans of 0.3 �g/m³ is derived, applying a number of safety factors.

In another review [Jacob1997], performed for the German Federal Environmental Agency, another study performed by [Stokinger1953a] on rats is used: The rat study showed slight impacts to the kidneys at uranium resorption rates of 2.6 �g per kg per day. This rate corresponds to uranium concentrations of 40 �g per m³ in air. Applying a number of safety and conversion factors, the authors obtain a "tolerable" level of 0.07 �g/m³ uranium in air.

Inhalation of uranium (based on chemical toxicity)

	TAC [�g/m3]
[ATSDR1999] intermediate duration, soluble	0.4
[ATSDR1999] intermediate duration, insoluble	8
[ATSDR1999] chronic, soluble	0.3
[Jacob1997]	0.07