This item does have a reportable quantity according to 49 CFR 172.101, app. A , Table 1 of 100 lbs. or 45.4 Kg. Therefore if you plan to ship a large quantity please take note. I have found that sometimes this item arrives with a I- I have found that sometimes this item arrives with a I-White label affixed to the package and shipped as Radioactive Material, N.O.S. UN2982