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r <br />� � ,'a 't.! ] Y r:'�aa.�'-nT r �:�7'�"� ,ter d. �, k'h z�� e.M?:. i+ ��ira�"°.raM.. r• � ,� <br /> ES ENGMEERING•SCIENCE <br /> r«. <br /> TA.ULE 2.2 <br /> SUGGESTED FREQUENCY OF PHYSIOLOGICAL MONITOWNG <br /> FOR FIT AND ACCLIMATiIZED WOR.KERSa <br /> IW <br /> Adjusted T:,mperatureb Normal Work Ensemblec Impermeable Ensemble <br /> 900F(32.200)or above ?after each 45 minutes After each 15 minutes <br /> of work of work <br /> 87.50-900F(30.80-32.20C) After each 60 minutes After each 30 minutes <br /> of work of work <br /> r� <br /> 82.50-87.50E(28.10-30.800) After each 50 minutes <br /> of work <br /> 77Y-82S0F(25311-28.10C) After each 90 minutes <br /> of work <br /> t„ 7250-71.50F(22.50-25300) After each 120 minutes <br /> of work <br /> a For work levels of 250 kilocalories/hour. <br /> b CdIculate the adjusted air temperature(ta adj) by using this equation: to adj OF = to°F + (13 z 075 <br /> sunshine). Measure air temperature(ta)with a standard mercury-in-glass thermometer,with the bulb <br /> l., shielded from radiant heat. Estimate percent sunshine by judging what percent time the sun is not <br /> covered by clouds that are thick enough to produce a shadow. (100 percent sunshine = no cloud cover <br /> and a zharp,distinct shadow,0 percent sunshine=no shadows.) <br /> -s <br /> c A normal work ensemble consists of cotton coveralls or other cotton clothing with long sleeves and <br /> i.., pants. <br /> by <br /> d • <br /> ' LMC/nil.621/0004 <br />