-144-工作场所有害因素职业接触限值第部分：物理有害因素GBZ1GBZ2.1GB/T3947GBZ/T189.1GBZ/T189.2GBZ/T189.34.14.1-145-4.130MHz300MHpulsewacontinuouswapowerdens10m1GBZ/T189.4GBZ/T189.5GBZ/T189.6GBZ/T189.7GBZ/T189.8GBZ/T189.9GBZ/T189.10GBZ/T189.113GBZ2.13.13.33.44occupationalexposurelimitsforultrahighfrequencyradiationintheworkplace4.14.1.1ultrahighfrequencyradiationmW/cm24.211-146-4.3GBZ/T189.15occupationalexposurelimitsforhighfrequencyelectromagneticfield5.1highfrequencyelectromagneticfield100kHz30MHz3km10m5.28h22-147-occupationalexposurelimitsforpowerfrequencyelectricfieldintheworkplace6.1powerfrequencyelectricfield50Hz6.28h33HzkVm5056.3GBZ/T189.37occupationalexposurelimitsforlaserradiationintheworkplace7.17.1.1laserradiation200nm1mm7.1.2radiantJ/cm27.1.3irradianeeW/cm27.1.4(CACB)correctionfactorsCACB7.2-148-7.2.1 8h448.1-149-14001106110-7100.56t1/414001106>100.1t57.2.3()400nm700nmCA=1700nm1050nmCA=10o.oo2(-700)1050nm1400nmC=5400nm550nmC=1550nmAB700nmCB=100.0i5(-550)7.3GBZ/T189.48occupationalexposurelimitsformicrowaveradiationintheworkplace-150-8.1-151--152-dailydose(8h)Wh/cm2mWh/cm28.266Wh/cm28hW/cm28hW/cm2mW/cm240050400/t520025200/t540005004000/t5th8.3GBZ/T189.59occupationalexposurelimitsforultravioletradiationintheworkplace9.1ultravioletradiation(ultravioletlight)100nm400nm-153-9.28h7710.1.GBZ/T189.7occupationalexposurelimitsf-154-localoutsideventilationdesigntemperature131410.210.2.1100%IVWBGTWBGT251225WBGT12810.2.2308WBGT18WBGTIIIIIIIV100%3028262575312928265032302928253332313014B10.3noiseintheworkplace11.18-155-11.1.1industrialnoise11.1.2steadynoise3dB(A)11.1.3nonsteadynoise3dB(A)11.1.4impulsivenoise0.5s1s40dBA11.1.5 AAA-weightedsoundpressurelevelLPALAA11.1.6AequivalentcontinuousA-weightedsoundpressurelevelLAeqTLAeqAAdB(A)11.1.78hnormalizationofequivalentcontinuousA-weightedsoundpressureleveltoanominal8hworkingdayLEX,8h8h11.1.840hA40hNormalizationofequivalentcontinuousA-weightedsoundpressureleveltoanominal40hworkingweekLEX,W5d40h11.211.2.15d8h85dB(A)5d8h8h85dB(A)85dB(A)5d40h85dB(A)9[dB(A)]5d/w=8h/d858h5d/w8h/d858h5d/w8540h9-156-10-157-11.2.210n[dB(A)]n100140100n10001301000n1000012011.3GBZ/T189.812occupationalexposurelimitsforhand-transmittedvibrationintheworkplace12.112.1.1hand-transmittedvibration12.1.2 dailyexposuredurationtovibrationh12.1.3frequency-weightedaccelerationtovibrationm/s212.1.44h4hoursenergyequivalentfrequency-weightedaccelerationtovibration4h4h12.24h11m/s24h51112.3GBZ/T189.913meteorologicalrequirementsintheundergroundworkplaceofcoalmine13.113.1.112vm/s280.5v1.0260.3v0.518v0.31213.1.213.1.3-158-13.2-159-classificationofphysicalworkloadenergymetabolicratekJ/minm-2workingtimerate(8h)sex-basedcoefficientof11.3patterncoefficientofphysical10.05intensityindexofphysicalwork1313.2-160-1313.2-161--162-kJ/minm-2]15.315.3.1GBZ/T189.1115.3.28hGBZ/T189.1015.2.2(8h)6276kJ[7.824
