of particles entering your body will be highly dangerous. Used externally, it is completely safe.” (Peschek-Böhmer 219) With 1 millicurie it's fine to be around your kids. Named in 1899 by Charles Friedel and Édouard Cumenge in honor of Marie-Adolphe Carnot. Obviously they are both also interested in keeping the kids' doses safe. Carnotite (K 2 0*2UO 3 *V 2 O 5 *nH 2 0; 50-55 percent U 3 O 8). Curies To Rem. It is a lemon-yellow mineral with an earthy luster, a yellow streak, and a specific gravity of about 4. They formed where uranium-rich basement formations (granites, sandstones) were deeply weathered in a semi-arid to arid climate and deposited in valley-fill sediments along Tertiary drainage channels, and in playa lake sediments. Current OSHA PEL: 0.05 mg/m3 TWA 1989 OSHA PEL: Same as current PEL 1993-1994 ACGIH TLV: 0.2 mg/m3 TWA, 0.6 mg/m3 STEL Description of substance: Varies Original (SCP) IDLH: 20 mg U/m3 Carnotite ore is an odorless, tan powder or crystal. I hope you get an idea of dangerous radiation doses. 0 0. Retsum. Carnotite (K 2 0*2UO 3 *V 2 O 5 *nH 2 0; 50-55 percent U 3 O 8). 4 years ago. A very large no. 1 decade ago. Carnotite, a potassium uranium vanadate, is the most important of the secondary uranium ore minerals, having provided possibly 90 percent of the uranium production from secondary deposits. The uranium mineralisation is usually carnotite (hydrated potassium uranium vanadium oxide). Carnotite, a potassium uranium vanadate, is the most important of the secondary uranium ore minerals. Therefore, extreme care should be taken to avoid Carnotite – “Preparation of an elixir via the normal method is not recommended.” (Love is in the Earth ... “All Orpiment in the various shades of yellow contain poisonous arsenic and is therefore very dangerous. The curie … CAS number: Varies NIOSH REL: 0.05 mg/m3 TWA; NIOSH considers soluble uranium compounds to be potential occupational carcinogens as defined by the OSHA carcinogen policy [29 CFR 1990]. Together with radium and transuranium elements, actinium is one of the most dangerous radioactive poisons with high specific α-activity. 1 0. axtell. Lv 6. How dangerous a radioactive source is depends on the type of radiation produced and how one is exposed to it. Former Carnotite Reduction Company Site December 2018 Decommissioning Plan Revision 2 4 Most impacted material is limited to the top 5 feet below ground surface (bgs). Uranium and vanadium are two extremely strategic metals. External exposure to alpha particles is not very dangerous because alpha particles are easily stopped by skin, but inhaling alpha emitters can be very dangerous because there is direct access to sensitive alveolar cells. Source(s): https://shrinkurl.im/a8VMn. 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