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Suggested Frequency of Physiological Monitoring for Fit and Acclimated Workers' Adjusted Temper ture' Normal Work Ensemble' Impermeable Ensemble` 90'F 32 2°C or above After each 45 minutes of work After each 15 minutes of work 87 5°-90'F 30 80-32 2'C After each 60 minutes of work After each 30 minutes of work ' 82 50-87 5'1728 10-30 8°C After each 90 minutes of work After each 60 minutes of work 77 5--82 5°F 25 3--28 1°C After each 120 minutes of work After each 90 minutes of work ' 72 5°-77 5'F 22 5°-25 3-C After each 150 minutes of work After each 120 minutes of work ' For work levels of 250 kilocalones per hour ' 2 Calculate the adjusted air temperature (T,df) using the following equation T,d, (°F) = T,dj (°F) + (13 x percent sunshine) Measure the air temperature CT,,,) using a standard mercury-an-glass thermometer with the bulb shielded from ' radiant heat 3 A normal work ensemble consists of cotton overalls with long sleeves and pants An impermeable work ensemble consists of impermeable coveralls with long sleeves and pants 1 14 Recognifton and Treatment ' Any personnel who observes any of the following forms of heat stress either in themselves or in another worker,will report this information to his or her immediate supervisor or the SSHO A Heat Rash (or prickly heat) ' Cause Continuous exposure to hot and humid air, aggravated by chafing clothing Symptoms Eruption of red pimples around sweat ducts accompanied by intense itching and tingling Treatment Remove sources of irritation and cool the skin with water or wet cloths ' B Heat Cramps or Heat Prostration Cause Profuse perspiration accompanied by inadequate replenishment of body water and ' electrolytes Symptoms Sudden development of pain and/or muscle spasms in the abdominal region ' Treatment Remove the worker to the CRZ Remove protective clothing Decrease BT and allow a ' period of rest in a cool location 1 iFLUOR DANIEL GTI