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11 <br />• Provide plenty of liquids to replace loss of body fluids. Appropriate liquids should <br />consist of juices, juice products, and water. <br />• Establish a work schedule that will provide sufficient rest periods for cooling down. <br />As the temperature increases, more frequent and longer rest periods are required. <br />• Since utilizing an oral thermometer introduces a risk of exposure to site contaminants <br />through ingestion, pulse -rate monitoring will be used. Heart rates should be <br />measured periodically by taking 30 second pulse rates at the end of a work period (i.e. <br />beginning of rest period). If the heart rate exceeds 110 beats/min. at the beginning of <br />the rest period, shorten the next work period by 1/3, keeping the rest period the same. <br />• If the heart rate still exceeds 110 beats/min. at the next rest period, shorten the work <br />cycle by 1/3. The following table has been developed for frequency of monitoring for <br />acclimatized workers. <br />Adj. Temp CF) Normal Work Clothes Impermeable Clothes <br />90.0 after @ 45 min. work after @ 15 min. work <br />87.5-90.0 after @ 60 min. work after @ 30 min. work <br />82.5-87.5 after @ 90 min. work after @ 60 min. work <br />70.0-82.5 after @ 120 min. work after @ 90 min. work <br />72.5-77.5 after @ 150 min. work after @ 120 min. work <br />NOTE: Adjusted temperature must be calculated to utilize the chart above. Temperature is <br />adjusted for solar loading via the following formula: <br />01'adj — 01'ambient + (13 x %sunlight) <br />7 <br />