42AFMAN 24-204(I)/TM 38-250/NAVSUP PUB 505/MCO P4030.19H/ DLAI 4145.311 DECEMBER 2001-A package containing any fissile material if it does not contain more than 5 grams of fissileradionuclides in any 10 liter volume, and if the material is packaged to maintain this limit of fissileradionuclide concentration during normal transport.-A package containing not more than one kg of plutonium of which not more than 20 percent by massmay consist of plutonium239, plutonium241, or any combination of those radionuclides.-A package containing liquid solutions of uranyl nitrate enriched in uranium235 to a maximum of 2percent by weight, with total plutonium and uranium233 not more than 0.1 percent of the mass ofuranium235.-A package containing thorium or uranium with not more than 0.72 percent by weight of fissile materialused for shipment solely within the United States.A3.3.7.10. Requirements for Foreign-Made Packages. In addition to the requirements of attachment 11, eachshipper of a foreign-made type B, type B(U), type B(M) or fissile material package for which a competent authoritycertificate is required by the IAEA "Regulations for the Safe Transport of Radioactive Materials, Safety Series No.6"or the IAEA "Regulations for the Safe Transport of Radioactive Materials, No. TS-R-1” must meet therequirements of 49 CFR 173.473.A3.3.7.11. Radioactive Contamination.-Contamination Control. Keep the level of nonfixed (removable) radioactive contamination on theexternal surfaces of each package offered for shipment as low as practical. The level of nonfixedradioactive contamination may be determined by wiping an area of 300 cm2 of the surface concerned withan absorbent material, using moderate pressure, and measuring the activity on the wiping material. Takesufficient measurements in the most appropriate locations to yield a representative assessment of thenonfixed contamination levels. The amount of radioactivity measured on any single wiping material, whenaveraged over the surface wiped, must not exceed the limits given in table A3.3 at any time duringtransport. Other methods of assessment of equal or greater efficiency may be used. When other methodsare used, take the detection efficiency of the method used into account and in no case must the nonfixedcontamination on the external surfaces of the package exceed 10 times the limits listed in table A3.3.-Inspecting Aircraft for Contamination. Periodically check aircraft used to routinely transport radioactivematerials for radioactive contamination. Determine frequency of the checks based on the likelihood ofcontamination and the extent to which radioactive materials are carried aboard the aircraft. An aircraftmust be taken out of service if the radiation dose rate at any accessible surface is 0.005 mSv/h (0.5 mrem/h)or if there is significant removable radioactive surface contamination as outlined above.Table A3.3. Removable External Radioactive Contamination--Wipe Limits.ContaminantMaximum permissible limitsuCi/cm2depletion perminute (dpm)/cm2Beta-gamma emitting radionuclides; all radionuclide with half-livesless than 10 days; natural uranium; natural thorium; uranium-235;uranium-238; thorium-232; thorium-228; and thorium-230 whencontained in ores or physical concentrates. All other alpha emittingradionuclides10-510-6222.2A3.3.8. Class 8.-Packed with Other Materials.Do not pack bottles containing corrosive liquids in the same outsidecontainer with other hazardous materials.-Packaging. Unless otherwise specified by a packaging paragraph, package a liquid material identified asPG III in table A4.1 in a container that meets the PG I or II performance level.A3.3.9. Class 9. Any package that has a magnetic field strength of more than 0.00525 gauss measured at 4.6 m (15ft) from any surface of the package is forbidden on military aircraft.
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