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2OccupationalexposurelimitsforhazardousagentsintheworkplacePart2:PhysicalagentsGBZ2.2-2007GBZ2-20022007-04-122007-11-01131415GBZ2-2002GBZ2.11GBZ2.22GBZ2-2002GBZ2-2002GBZ/T189-2007131415ABGBZ2-2002212GBZ1GBZ2.1GB/T3947GBZ/T189.1GBZ/T189.2GBZ/T189.3GBZ/T189.4GBZ/T189.5GBZ/T189.6GBZ/T189.7GBZ/T189.8GBZ/T189.9GBZ/T189.10GBZ/T189.113GBZ2.13.13.33.44occupationalexposurelimitsforultrahighfrequencyradiationintheworkplace4.14.1.1ultrahighfrequencyradiation30MHz300MHz10m1m4.1.2pulsewave4.1.3continuouswave4.1.4powerdensityPmW/cm24.211mW/cm2V/mmW/cm2V/m8h0.05140.025104h0.1190.05144.3GBZ/T189.15occupationalexposurelimitsforhighfrequencyelectromagneticfield5.1highfrequencyelectromagneticfield100kHz30MHz3km10m5.28h22MHzV/mA/m0.1f3.05053.0f3025-5.3GBZ/T189.26occupationalexposurelimitsforpowerfrequencyelectricfieldintheworkplace6.1powerfrequencyelectricfield50Hz6.28h33HzkVm5056.3GBZ/T189.37occupationalexposurelimitsforlaserradiationintheworkplace7.17.1.1laser200nm1mm7.1.2radiantJ/cm27.1.3irradianceW/cm27.1.4(CACB)correctionfactorsCACB7.27.2.18h44nmsJ/cm2W/cm2200308110-93104310-3309314110-931046.310-2315400110-9100.56t1/43154001101031.031540011033104110-3400700110-91.210-5510-74007001.210-5102.5t3/410-3400700101041.4CB10-2400700110431041.4CB10-67001050110-91.210-55CA10-770010501.210-51032.5CAt3/410-310501400110-9310-5510-610501400310-510312.5t3/410-37001400110431044.44CA10-41400106110-910-70.011400106110-7100.56t1/41400106100.1t7.2.28h55nm(s)J/cm2W/cm2200400110-9310444001400110-9310-72CA10-2110-7101.1CAt1/41031040.2CA14001106110-931044t7.2.3(400nm700nmCA=1700nm1050nmCA=100.002(-700)1050nm1400nmCA=5400nm550nmCB=1550nm700nmCB=100.015(-550)7.3GBZ/T189.48occupationalexposurelimitsformicrowaveradiationintheworkplace8.18.1.1microwave300MHz300GHz1m1mm8.1.2pulsemicrowave&continuousmicrowave8.1.3fixedmicrowaveradiation&nonfixedmicrowaveradiation()t0/T0.1t0/T0.1t050%T8.1.4partial-bodymicrowaveradiation&whole-bodymicrowaveradiation8.1.5averagepowerdensity&dailydose(8h)Wh/cm2mWh/cm28.266Wh/cm28hW/cm28hW/cm2mW/cm240050400/t520025200/t540005004000/t5th8.3GBZ/T189.59occupationalexposurelimitsforultravioletradiationintheworkplace9.1ultravioletradiation(ultravioletlight)100nm400nm9.28h778hW/cm2mJ/cm2280nm315nm0.263.7100nm280nm0.131.80.243.59.3GBZ/T189.610occupationalexposurelimitsforheatstressworkintheworkplace10.110.1.1heatstressworkWBGT2510.1.2WBGTwetbulbglobetemperatureindex10.1.3exposuretimerate8h10.1.4localoutsideventilationdesigntemperature131410.210.2.1100%IVWBGT25WBGT1225WBGT12810.2.2308WBGT18WBGTIIIIIIIV100%3028262575312928265032302928253332313014B10.3GBZ/T189.711occupationalexposurelimitsfornoiseintheworkplace11.111.1.1industrialnoise11.1.2steadynoise3dB(A)11.1.3nonsteadynoise3dB(A)11.1.4impulsivenoise0.5s1s40dBA11.1.5AAA-weightedsoundpressurelevelLpALAA11.1.6AequivalentcontinuousA-weightedsoundpressurelevelLAeq,TLAeqAAdB(A)11.1.78hA8hnormalizationofequivalentcontinuousA-weightedsoundpressureleveltoanominal8hworkingdayLEX,8h8h11.1.840hA40hnormalizationofequivalentcontinuousA-weightedsoundpressureleveltoanominal40hworkingweekLEX,W5d40h11.211.2.15d8h85dB(A)85dB(A)5d8h8h85dB(A)5d40h85dB(A)99[dB(A)]5d/w=8h/d858h5d/w8h/d858h5d/w8540h11.2.21010[dB(A)]n100140100n10001301000n1000012011.3GBZ/T189.812occupationalexposurelimitsforhand-transmittedvibrationintheworkplace12.112.1.1hand-transmittedvibration12.1.2dailyexposuredurationtovibrationh12.1.3frequency-weightedaccelerationtovibrationm/s212.1.44h4hoursenergyequivalentfrequency-weightedaccelerationtovibration4h4h12.24h1111m/s24h512.3GBZ/T189.913meteorologicalrequirementsintheundergroundworkplaceofcoalmine13.113.1.11212m/s280.5v1.0260.3v0.5-18v0.313.1.213.1.313.214classificationofphysicalworkload14.114.1.1energymetabolicratekJ/minm214.1.2workingtimerate(8h)14.1.3sex-basedcoefficientofphysicalwork11.314.1.4patterncoefficientofphysicalwork10.40/0.0514.1.5intensityindexofphysicalwork14.21313In1515n20III20n25n2514.3GBZ/T189.1014.4B15physiologicallimitsonheartrateandenergyconsumptionduringphysicalwork15.1energyconsumptionkJ15.215.2.1150/min120/min15.2.2(8h)6276kJ/d(7.824kJ/minm-2)15.315.3.1GBZ/T189.1115.3.2(8h)GBZ/T189.10AA.1A.2A.3A.4A.5A.5.1E(V/m)PmW/cm2EV/mA.5.2A.6A.6.1A.6.23MHzA.7A.7.1A.7.2A.8A.8.1A.8.2A.8.3A.8.41mW/cm2A.9A.9.1A.9.2A.9.3A.1044(A.2ahw(T)Th/dA.11A.11.1A.11.212BB.1I()II()()()IIIIV