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t TABLE 3 <br />} SUGGESTED FREQUENCY OF PHYSIOLOGICAL MONITORING <br /> FOR FIT AND ACCLIMATED WORKERSa <br /> Adjusted Temperatureb Normal Work Ensemble impermeable Ensemble - -- <br /> S 90°F(322°C) or above After each 45 minutes After each 15 minutes <br /> of work of work <br /> $7.501F (30 8°-32.20C) After each 60 minutes After each 30 minutes <br /> of work of work <br /> 825*-87 5°F (28.1°-30 8°C) After each 60 minutes After each 90 nunutes <br /> of work of work <br /> 77.5°-8Z.5°F (25.3°-28 1°C) After each 90 minutes After each 120 minutes <br /> of work of work <br /> 725°-77 5°F (22.50-25.3°) After each 120 minutes After each 150 minutes <br /> of work of work <br /> a For work levels of 250 kilocalories/hour <br /> b Calculate the adjusted air temperature (ta adj) by using this equation to ad] = to °F <br /> + (13 x % sunshine). Measure air temperature (ta) with a standard mercury-nn-glass <br /> thermometer, with the bulb shielded from radiant heat. Estimate percent sunshine <br /> by Judging what percent time the sun is not covered by clouds that are thick enough <br /> to produce a shadow (100 percent sunshine = no cloud cover and a sharp, distinct <br /> shadow; 0 percent sunshine = no shadows ) <br /> c A normal work ensemble consists of cotton coveralls or other cotton clothing with <br /> long sleeves and pants. <br /> an'fHEATMME <br /> �� 5 <br />