CAP. 303]
Radiation (Control of Radioactive Substances) Regulations
[1989 Ed.
[Subsidiary]
Total number of radiation
TABLE
Minimum distance in metres from living accommodation or regularly occupied working space
units shown on package labels A B C D up to 1 3 3 3 4.5 2 to 5 8 3 3 4.5 6 to 10 11 4.5 3 4.5 11 to 25 18 6 3 4.5 26 to 40 27 9 3 4.5(L.N. 410 of 1982)
(3) For the purposes of the Table to subregulation (2)—
(a) column A applies where there are no intervening goods, walls or other material of not less than the density of water situated between the container containing the radioactive substance and the living accommodation or working space in question;
(b) column B applies where there is situated not less than 0.6 m of goods or other material of not less than the density of water and at least one partition composed of sheet steel of not less than 12 mm in thickness, or the equivalent in density thereto if composed of other material, between the container containing the radioactive substance and the living accommodation or working space in question;
(c) column C applies where there is situated not less than 2 m of goods or other material of not less than the density of water and at least 2 partitions composed of sheet steel of not less than 12 mm in thickness, or the equivalent in density thereto if composed of other material, between the container containing the radioactive substance and the living accommodation or working space in question;
(d) column D applies where there is situated not less than 4.2 m of goods or other material of not less than the density of water and at least 2 partitions composed of sheet steel of not less than 12 mm in thickness, or the equivalent in density thereto if composed of other material, between the container containing the radioactive substance and the living accommodation or working space in question; and
(e) the density of water shall be taken to be 1 kilogram per cubic decimetre. (L.N. 410 of 1982)
(4) No person shall store, or cause or permit to be stored, any radioactive substance in any store or in a room of any building unless there is conspicuously
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