Second Comment Period of TLV Development Process Ends Soon


Get your comments in soon for the second comment period of the TLV Development Process. This comment period ends September 30th, with ratification occurring in November, and updates in December.

Submit all comments and/or questions to by September 30th, following the process outlined on the website.

Also, Documentation is updated from the first comment period and available on our website through Data Hub (ACGIH Subscribers only) and for purchase as PDFs in ACGIH’s Publications Store. ACGIH Subscribers get 20% off.

The updated list of NICs and adopted substances can be found on our website here.

ACGIH is proud to be more responsive to the needs of the occupational health field.