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102 . 6.2 MEDICAL <br /> In addition to the provisions of the WCC medical <br /> surveillance program, on-site medical monitoring of personnel <br /> should be performed by qualified medical personnel for projects <br /> where heat stress is a major concern. Blood pressure, pulse, body <br /> temperature (oral) , and body weight loss should be taken and <br /> recorded. <br /> Heart Rate: Count the radial pulse during a 30-second <br /> period as early as possible in the rest period. If the heart rate <br /> exceeds 110 beats per minute at the beginning of the rest period, <br /> shorten the next work cycle by one-third and keep the same. If the <br /> heart rate still exceeds 110 beats per minute at the next rest <br /> cycle , shorten the following work cycle by one-third. <br /> Oral Temperature: Use a clinical . thermometer or similar <br /> device to measure the oral temperature at the end of the work <br /> period (before drinking liquids) . If the oral temperature exceeds <br /> 99 . 6F (37 . 6C) , shorten the next work cycle by one-third without <br /> changing the rest period. If the oral temperature still exceeds <br /> 99 . 6F (37 . 6C) at the beginning of the next rest period, shorten the <br /> following work cycle by one-third. <br /> Do not permit a worker to wear a semipermeable or <br /> impermeable garment if his/her oral temperature exceeds 100 . 6F <br /> ( 38 . 1C) . <br /> Body Water Loss: Measure body weight on a scale accurate <br /> to +0 . 25 pounds at the beginning and end of each work day (also <br /> lunch break, if possible) to see if enough fluids are being taken <br /> to prevent dehydration. Weights should be taken while the employee <br /> wears similar clothing or, ideally, nude. The body water loss <br /> should not exceed 1 . 5 percent total body weight loss in a work day. <br /> D797 . 8/72 HS-102-5 November 1990 <br />