- About
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- About
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ACGIH is a 501(c)(3) charitable scientific organization that advances occupational and environmental health.
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- Subscriptions
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- Subscriptions
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ACGIH advances the careers of professionals working in the occupational and environmental health, industrial hygiene, and safety communities interested in defining their science.
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- Science
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- Science
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This section has been established to help educate industry, government, and the public on what TLVs and BEIs are, and how TLVs and BEIs may best be used.
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- Career Development
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- Career Development
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ACGIH is committed to providing its members and other occupational and environmental health professionals with the training and education they need to excel in their profession.
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- Publications
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- Publications
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ACGIH has publications in many different areas that fit your needs in your field.
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- Publications Store
- ACGIH Signature Publications
- Digital Publications
ACGIH Digital Library
If you need to purchase the Digital Library, click here.
If you have purchased and need to access the Digital Library, click here.
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- Foundation
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- Foundation
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The Foundation for Occupational Health & Safety (FOHS) is a 501(c)(3) corporation fostering the expanded establishment of occupational exposure values throughout the world.
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ACGIH® has a procedure that provides the public with an indication of where those chemical substances and physical agents under study fall in the development process. Tier 1 indicates which chemical substances and physical agents may move forward as an NIC or NIE in the upcoming year, based on their status in the development process. Tier 2 consists of those chemical substances and physical agents that will not move forward but will either remain on or be removed from the Under Study list for the next year. For more information, please see the ACGIH® TLV®/BEI® Development Process.
Tier 1 (may move forward with an NIC proposal in 2022)
- Acoustic
- Infrasound and Low-frequency sound (added 7/1/2021)
- Audible sound
- Optical Radiation
- Lasers (added 7/1/2021)
- Ionizing Radiation (added 7/1/2021)
- Ergonomics
- Lifting (added 7/1/2021)
- Over shoulder work (added 7/1/2021)
- Thermal Stress
- Heat stress and strain
- Cold stress
Other Issues Under Study
- Fatigue and its management in the workplace
Tier 2 (will not move forward with an NIC proposal in 2022)
- Optical Radiation
- Light and near-infrared radiation
- Ergonomics
- Hand–arm vibration
- Push/Pull (added 7/1/2021)
Other Issues Under Study
- Head supported mass and neck loading
- Hyperbaric pressure (added 7/1/2021)
- Hypobaric pressure
- Sensory-induced motion sickness (added 7/1/2021)