Nonfiction 6

Advisory Mtl - Regs for Safe Transport of Radioactive Mtl

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Extra resources for Advisory Mtl - Regs for Safe Transport of Radioactive Mtl (IAEA TS-G-1.1)

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The LSA category. The degree of uniformity is thus specified, as necessary, for each LSA category (see, for example, para. 226(c)(i)). 5. LSA-I was introduced in the 1985 edition of the Regulations to describe very low specific activity materials. These materials may be shipped unpackaged, or they may be shipped in Industrial Packages Type 1 (Type IP-1) which are designed to minimal requirements (para. 621). According to para. 226(a)(i), LSA-I materials cannot consist of: concentrates of ores other than uranium or thorium concentrates (for example, radium ore concentrate cannot be LSA-I material), unless they meet para.

2 After the text of this publication had been prepared, the IAEA issued Safety Standards Series No. 1, Occupational Radiation Protection, IAEA, Vienna (1999). This Safety Guide may provide additional guidance on the development and implementation of radiation protection programmes and the monitoring and assessing of radiation doses. 3. Both the package type and the package category need to be considered. For routine transport the external radiation is important and the package category provides a classification for this; under accident conditions, however, it is the package type (Excepted, Industrial, Type A, Type B or Type C) that is important.

In the third category, individual monitoring is mandatory. In most cases this will be accomplished by the use of personal dosimetry such as film badges, thermoluminescent dosimeters and, where necessary, neutron dosimeters (see also footnote 2). 4. Some studies of particular operations have shown a correlation between dose received by workers and the number of transport indexes handled [6]. It is unlikely that carriers handling less than 300 TI per year will exceed doses of 1 mSv/a and such carriers would not therefore require detailed monitoring, dose assessment or individual records.

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