3M 46, 44 user manual Appendix B Heat Exposure Tables

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Appendix B

Appendix B

ACGIH

Appendix B: Heat Exposure Tables

ACGIH

Screening Criteria for Heat Stress Exposure. WBGT values in °C. NOTE: according to the ACGIH’s guidelines, the temperature values represent a work and rest process which is explained in the standards. Please refer to the ACGIH TLVs and BEIs for specific details.

 

Work and recovery

 

Light

Moderate

Heavy

Very Heavy

 

(TLV )

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

75% to 100%

 

31.0

28.0

26.0*

23.5*

 

 

 

 

 

 

 

 

50% to 75%

 

31.0

29.0

27.5

25.5*

 

 

 

 

 

 

 

 

25% to 50%

 

32.0

30.0

29.0

28.0

 

 

 

 

 

 

 

 

0% to 25%

 

32.5

31.5

30.5

30.0

 

 

 

 

 

 

 

 

Work and recovery

 

Light

Moderate

 

Heavy

Very Heavy

 

(Action Limit)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

75% to 100%

28.0

25.0

22.5*

20.0*

 

 

 

 

 

 

 

50% to 75%

28.5

26.0

24.0

22.5*

 

 

 

 

 

 

 

25% to 50%

29.5

27.0

25.5

24.5

 

 

 

 

 

 

 

0% to 25%

30.0

29.0

28.0

27.0

*Values not specified by ACGIH have been estimated for continuity.

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Contents Market Leader Contents Displayed Items Iii List of Figures List of TablesIntroduction QUESTempº ModelsKeypad Operation Getting StartedUp and Running overview Enter key Up Arrow keyDown Arrow key Run Stop keyTurning on/off and basic operation Placing the QUESTempº 44/46 on the job siteSensors About the sensor barGlobe Thermometer Waterless Wetbulb Sensor and Relative Humidity SensorTri-sensor weighted average Remote, Sensors 2Waterless Wetbulb Computing Waterless wetbulb and wind speedWetBulb Globe Temperature Stay Times/Rest Times QTº46 onlyHeat Index/Humidex AirflowThermal Comfort View SetupOperating QUESTempº 44/46 Setup for Waterless Wetbulb measurement airflow rate Index Setting NotesRun ResetPrint Displayed Items Flow 0.3m/s Date Stay TimeData Logging Data LoggingElectronic sensor check Performing an electronic sensor checkSensor Alignment RH Sensor AlignmentLow RH Alignment screen Adjust % to 33% using up/down arrow Serial PrintingPrintingPrinting Parallel Heat Stress ReportAirflow functionality Airflow FunctionalityOperational Check Operating sequenceData Logging Airflow Batteries for Air ProbeApproved 9-Volt Batteries Power optionsVolt Alkaline Battery Replacement NiMH Battery Pack 29 NiMH rechargeable batteryAppendix a Specifications Appendix aCharge Time NiMH Battery Pack Appendix B Heat Exposure Tables Appendix BAcgih Clothing Corrections United States NavyUnited States Navy Electrical power research institute Epri Flag Conditions for U.S. Navy/Marine Corp. AshoreAppendix C Appendix C AccessoriesAir Probe Accessories Communication setup Appendix D 3MTM Detection Management Software DMSQUESTempo 44/46 Appendix D31 QT⁰44/46 downloading data Downloading data with the QT⁰44/46 32 Downloading QT⁰44/46 filesSelecting a session/study Charts and Graphs in Panel layout view PLVViewing Data in DMS 34 QT⁰44/46 data in panel layout view Remember setting Inserting on-site testing images Reports and Printing3M Service WarrantyService Department and Technical Support 1 800 CalibrationAbout 3M Personal Safety About Us