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Welcome to the American Board of Toxicology, Inc.

The vision of the ABT is to establish a globally recognized credential in toxicology representative of competency and commitment to human health and environmental sciences.

The mission of the ABT is to identify, maintain, and evolve a standard for professional competency in the field of toxicology.

2026 ABT Examination Information
 

Beginning in 2026, the Board has established an application window for new candidates. The application window will open on March 1 and close on April 30. Applications can only be submitted during this time frame.

 

The Board has implemented several changes beginning with the 2026 examination. Be sure to download the 2026 Candidate Handbook for details.

 

CLICK HERE FOR A SUMMARY OF 2026 CHANGES

 

ABT JOB LISTING SERVICE

 

To see current open positions, click Employment Opportunities on the menu at the top of this page.

 

Click here for details about posting positions.

 

Time Requirements for Certification

The ABT Board of Directors has revised and reinstituted its prior examination attempts limit policy that was in effect from 1980-2007. This policy give unsuccesful candidates time to deepen their professional experience, while allowing the Board to maintain the integrity of the item pool. This policy takes effect January 1, 2027. Complete details can be found by clicking here.