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1、BRITISH STANDARD BS 3510:1968 Specification for A basic symbol To denote the actual or potential presence of Ionizing radiation Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 29 03:06:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 3510:1968 This British Standard, having been approved by the N
2、uclear Energy Industry Standards Committee and endorsed by the Chairman of the Engineering Divisional Council, was published under the authority of the General Council on 29 February 1968 BSI 03-1999 First published May, 1962 First revision February, 1968 The following BSI references relate to the w
3、ork on this standard: Committee references NCE/1 and NCE/1/2 Draft for comment 67/10409 ISBN 580 00086 9 Co-operating organizations The Nuclear Energy Industry Standards Committee, under whose supervision this British Standard was prepared, consists of representatives from the following Government d
4、epartments and scientific and industrial organizations: Association of Consulting Engineers British Electrical and Allied Manufacturers Association* British Insurance (Atomic Energy) Committee British Mechanical Engineering Federation Electricity Council, the Central Electricity Generating Board, an
5、d the Area Boards in England but not sound or radio waves, or visible, infra-red, or ultra-violet light. This British Standard does not specify the radiation levels at which the symbols are to be used. 2 Shape and proportions of symbol The basic symbol for signifying radiation or radioactive materia
6、ls shall be of the design illustrated in Figure 1. 3 Colours of symbol and background The area shown shaded in the figure shall be coloured black, and shall be placed upon a background of sufficient area for the symbol to be distinctive. The background should be yellow, of a colour approximating to
7、No. 309 of BS 381C1) or reference 0-001 of BS 26602) except where for particular purposes, e.g. transport, a white background is required. 4 Application of symbol The basic symbol shall be as prominent as is practical, and of a size consistent with that of the equipment or material to which it is af
8、fixed or attached, providing that the proportions shown in the figure are maintained, and that in any case the symbol can be recognized from a safe distance. 5 Restrictions on use of symbol 5.1 The basic ionizing radiation symbol shall be used or displayed only to signify the actual or potential pre
9、sence of ionizing radiation as set out in Clause 1 of this British Standard. 5.2 Appropriate wording, or other symbols, may be used in association with the basic symbol to indicate the source or type of radiation, the limits of occupancy and similar precautionary information, but shall not detract f
10、rom the clarity of the basic symbol. Any wording used shall be kept to the minimum necessary. No lettering shall be super-imposed on the symbol. Figure 1 Basic ionizing radiation symbol 1) BS 381C, “Colours for specific purposes”. 2) BS 2660, “Colours for building and decorative paints”. Licensed Co
11、py: sheffieldun sheffieldun, na, Wed Nov 29 03:06:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 2 blank Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 29 03:06:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 3510:1968 BSI 03-1999 British Standards The following are available on application: YE
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