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Hot weather brings fluid intake to forefront
May 2007
As summer approaches, it’s important to remind workers of sun and heat
hazards and ways to protect themselves. One area that needs focus is
fluid intake. With regard to this, OSHA offers the following tips:
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Take frequent rest/water breaks in areas that are shaded or air
conditioned.
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Have cool (50°–60°F) water or any cool liquid (except alcoholic
beverages) available and close to the work area.
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Drink 4 to 8 ounces of water or sports drink every 20 minutes while
working in hot, humid conditions.
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Limit fluids to no more that 1 ½ quarts per hour when working in hot,
humid conditions. Do not drink more than a total of 12 quarts of fluid
in 24 hours.
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Avoid alcohol and caffeinated drinks (and heavy meals).
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Keep in mind that although some commercial replacement drinks contain
salt, this is not necessary for acclimatized individuals because most
people add enough salt to their summer diets.
Also, OSHA notes in its Technical Manual that body water loss can be
measured by weighing on a scale at the beginning and end of each work
day. Weight loss should not exceed 1.5% of total body weight in a work
day. If a weight loss exceeding this amount is observed, fluid intake
should increase. |