BS DD 32:1974

Defines and gives numerical values for limits of exposure for mechanical vibration transmitted to the body in the frequency range 1 Hz to 80 Hz and may be applied within the specified frequency range to periodic vibrations and to random or non-periodic vibrations with a distributed frequency spectrum. Gives provisional guidance on the evaluation of vibration in relation to the preservation of comfort, working efficiency and health or safety for various periods of exposure and advises on methods of cal culation.

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