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F� <br /> iE <br /> f <br /> 0 Wear Cooling devices such as vortex tubes or cooling <br /> vests beneath protective garments. <br /> 4 <br /> f- <br /> o Take all breaks in a cool rest area (77°F is best) . <br /> © Removo impermeable protective garments during rest <br /> periods. <br /> o Do not assign other tasks to personnel during rest <br /> periods. <br /> E n Inform personnel of the importance of adequate rest, <br /> acclimation., and proper diet in the prevention of heat <br /> F.9 <br /> stress. <br /> 502.6 MONITORING <br /> 102.6.1 TEMPERATURE <br /> : The heat stress of an area can be monitored by the Wet <br /> Bulb Globe Temperature Index (WBGT) technique. Where heat stress <br /> A <br /> is a possibility, a heat stress monitoring device, such as the <br /> Wibget Heat Stress Monitor (Reuter Stores) can be utilized. <br /> The WBGT shall be compared to the Threshold Limit Values <br /> (TLV) outlined by the ACGIH TLV guides, and a :ark--rest regiment ' <br /> can be established in accordance with the WBGT. Note that 5 <br /> degrees C must be subtracted from the TLVs for heat stress listed <br /> i to compensate for the wearing of impermeable protective clothing. <br /> t <br /> W <br /> _ y <br /> w 0797.8/72 HS-102-4 . . November 1990 <br /> E <br />