Throughout the world, large numbers of manual workers perform physically
demanding labour in conditions of high environmental heat stress. Although the
importance of adequate hydration in combating heat stress is universally
recognized, studies in a range of worker groups have demonstrated a
disturbingly poor hydration level in a high proportion of at-risk workers.
Management of work in hot environments traditionally focuses on environmental
monitoring, while strategies to promote and ensure good hydration behaviour are
often haphazard at best. An example is given of simple guidelines for adequate
and appropriate fluid intake and practical recommendations to foster
compliance.

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AplusA-online.de - Source: The Annals of Occupational Hygiene