- 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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New Compressed Schedule to TLV Development
12/08/2022
ACGIH is updating our development process to better meet the needs of occupational and environmental health professionals. In 2023, we will be offering industry professionals the opportunity to provide comments twice per year for draft Documentation on the Notice of Intended Changes (NIC) and Notice of Intent to Establish (NIE) lists. The comment periods will run from January 1st to March 31st and July 1st to September 30th, with ratification occurring in May and November, and all changes will be posted online using Data Hub. TLV books will continue to be published at the beginning of every year. This compressed schedule will allow ACGIH scientific committees to finalize critical agents in half the time – providing critical information to the field when it is needed, while still allowing for input on all TLV changes.
Additionally, the under study list will no longer be tiered to allow chemical substances and physical agents to be added throughout the year and worked on immediately. All updates to the under study list will be reflected in ACGIH communications and on the ACGIH website.
For questions about this update or the development process, please contact the ACGIH Science Group at science@acgih.org.