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• HEAT STRESS AND HEAT STRESS MONITORING <br /> Heat Is one of the most common (and potentially serious) illnesses at hazardous waste <br /> sites where PPE is worn, therefore, regular monitoring and other preventive precautions <br /> are vital Shelter from the sun will be provided during rest periods If necessary, work <br /> will be performed during the cooler night hours Table A lists the signs and symptoms <br /> of heat stress Initial work schedules will be approximately 90 minutes of work <br /> followed by 15 minutes of rest These schedules will be modified based on the <br /> following monitoring stated in NIOSH, et al (1985) <br /> Heartrate Heart rate will be measure during a 30-second period as early as possible <br /> in the rest period If the heart rate exceeds 110 beats per minute at the <br /> beginning of the rest period, the next work cycle will be shortened by one-third <br /> without changing the rest period If the heart rate still exceeds 110 beats per <br /> minute at the next rest period, the following work cycle will be shortened by <br /> one-third <br /> Oral temperature A clinical thermometer (three minutes under the tongue) or similar <br /> device will be used to measure the oral temperature at the end of the work <br /> period (before drinking) If oral temperature exceeds 99 6° (37 6° C), the next <br /> work cycle will be reduced by one-third without changing the rest period If <br /> oral temperature stili exceeds 99 6° F (37 36°Q at the beginning of the next rest <br /> period, the following work cycle will be shortened by one-third A worker will <br /> not be permitted to wear a semi-permeable or impermeable garment when his <br /> or her oral temperature exceeds 100 6° F (38 1' Q <br /> Body water loss, is possible Weight will be measured on a scale accurate to ±0 25 Ib <br /> at the beginning and end of each work day to see if enough fluids are being <br /> taken to prevent dehydration The body water loss should not exceed 1 5 <br /> percent total body weight loss in a work day <br /> Avalon Environmental Consultants 9627-001-2 <br /> Kashmar Singh Joes Truck Stop <br /> October 20, 1998 Lathrop, California <br />