ACGIH Data Hub – 2025

Data Hub provides ACGIH Subscribers unlimited access to TLVs, BEIs, and corresponding scientific Documentation. To enroll as an ACGIH subscriber, click here.

Before viewing Documentation, ACGIH requires that you read the Policy Statement on the Uses of TLVs and BEIs, Special Note to User, Introduction to the Chemical Substances TLVs, Introduction to the Biological Exposure Indices, and the Introduction to the Physicals Agents TLVs. All Documentations are fully protected by copyright and no part of it may be reproduced in any form or by any means – graphic, electronic, or mechanical including photocopying, recording, taping, or information storage and retrieval systems – without written permission from ACGIH.

2025 Documentation – Click here to see substances and agents listing of new Documentation for 2025.

Searching Instructions: The below list is in alphabetical order. To search, use the Ctrl F (Windows) or Command F (Mac) function on your keyboard. You may either search by chemical name or CAS number (include hyphens). Click on the link to access the Documentation. You must be logged in to view entire Documentation.

A      B      C      D      E      F      G      H      I      K      L      M      N      O      P      R      S      T      U      V      W      X      Y      Z