Le Web Mineral Database donne quelques indications/recommandations...pour les USA.
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Cuprosklodowskite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 7.35 ± 1.84 grams of pure Cuprosklodowskite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 734.53 ±183.63 grams of pure Cuprosklodowskite . Estimated Radioactivity from Cuprosklodowskite - very strong Specimen
Le tableau, en copier coller, est illisible: effacé.
Weight of pure Cuprosklodowskite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.80 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Spam Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem