Compliance Just Got Easier: Stay ahead of regulatory changes with instant notifications on updates that matter.

LEARN MORE

FREE TRIAL UPGRADE!
Thank you for investing in EnvironmentalHazmatHuman ResourcesHuman Resources, Hazmat & Environmental related content. Click 'UPGRADE' to continue.
CANCEL
YOU'RE ALL SET!
Enjoy your limited-time access to the Compliance Network!
A confirmation welcome email has been sent to your email address from ComplianceNetwork@t.jjkellercompliancenetwork.com. Please check your spam/junk folder if you can't find it in your inbox.
YOU'RE ALL SET!
Thank you for your interest in EnvironmentalHazmatHuman ResourcesHuman Resources, Hazmat & Environmental related content.
WHOOPS!
You've reached your limit of free access, if you'd like more info, please contact us at 800-327-6868.
CLOSE
 
 

§173.434 Activity-mass relationships for uranium and natural thorium.

RegSenseGeneral Packaging Requirements - HazmatPipeline and Hazardous Materials Safety Administration (PHMSA), DOTCFR RegulationsTransportationHazmat SafetyCFR SectionGeneral Packaging Requirements - HazmatEnglishFocus AreaUSA

The table of activity-mass relationships for uranium and natural thorium are as follows:

Thorium and uranium enrichment1(Wt% 235U present)Specific activity
TBq/gramGrams/TbqCi/gramGrams/Ci
1The figures for uranium include representative values for the activity of uranium-234 which is concentrated during the enrichment process. The activity for thorium includes the equilibrium concentration of thorium-228.
0.45 (depleted)1.9 × 10−8 5.4 × 107 5.0 × 10−7 2.0 × 106
0.72 (natural)2.6 × 10−8 3.8 × 107 7.1 × 10−7 1.4 × 106
1.02.8 × 10−8 3.6 × 107 7.6 × 10−7 1.3 × 106
1.53.7 × 10−8 2.7 × 107 1.0 × 10−6 1.0 × 106
5.01.0 × 10−7 1.0 × 107 2.7 × 10−6 3.7 × 105
10.01.8 × 10−7 5.6 × 106 4.8 × 10−6 2.1 × 105
20.03.7 × 10−7 2.7 × 106 1.0 × 10−5 1.0 × 105
35.07.4 × 10−7 1.4 × 106 2.0 × 10−5 5.0 × 104
50.09.3 × 10−7 1.1 × 106 2.5 × 10−5 4.0 × 104
90.02.1 × 10−6 4.7 × 105 5.8 × 10−5 1.7 × 104
93.02.6 × 10−6 3.9 × 105 7.0 × 10−5 1.4 × 104
95.03.4 × 10−6 3.0 × 105 9.1 × 10−5 1.1 × 104
Natural thorium8.1 × 10−9 1.2 × 108 2.2 × 10−7 4.6 × 106

[Amdt. 173–244, 60 FR 50307, Sept. 28, 1995, as amended by 63 FR 52849, Oct. 1, 1998]

['General Packaging Requirements - Hazmat']
['General Packaging Requirements - Hazmat']
UPGRADE TO CONTINUE READING