- 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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Get valuable benefits that are vital to your health and safety as an occupational, environmental, health, and safety worker.
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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
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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The Scientific Committee Operations Manual applies to the established ACGIH Scientific Committees, including the Biological Exposure Indices Committee, Industrial Ventilation Committee, Threshold Limit Values for Chemical Substances Committee, Threshold Limit Values for Physical Agents Committee, and Bioaerosols Committee. The Operations Manual outlines the operating procedures and responsibilities of ACGIH scientific committees.
ACGIH Scientific Committee Operations Manual
Updated November 2024
In addition to the Operations Manual, some committees may also have a handbook that outlines information specific to their committee, such as guidelines for setting notations.
Threshold Limit Values for Chemical Substances Committee Handbook
Updated November 2024
Enjoy exclusive benefits including free and discounted publications, conferences and continuing education courses – all while supporting the TLVs® and BEIs®.