The Certification that sets you apart.

It’s no longer enough to be certified. You need a credential that will help you stand out from the crowd. Our requirements are demanding and consequently, the CIH is held only by an elite group of professionals.

The CIH has been the gold standard for more than 50 years, attaining uncompromised integrity, global recognition and career-lasting value. View our 3.5 minute movie to learn why the CIH is the premier occupational hygiene certification in the world.

ABIH video thumbnail

Interested? Let us help you get started.

September 1, 2012 – February 1, 2013
CM Worksheets Accepted for Cycle Ending December 31, 2012

October 1 – November 30, 2012
Fall Exam Window

October 27 – 31, 2012
Academy/AIHA Fall Conference

February 1, 2013
Applications for Spring 2013 Exam Due

June 2012
The ABIH Advisor

Need Help? Fina a CIH Near You

ABIH is an IOHA recognized Certification Board and accredited by ANSI and CESB.