How do you become a Certified Industrial Hygienist? Once certified, how do you maintain your certification? ABIH Board members and staff will present information on certification topics, address comments and questions from the audience and seek audience input on ABIH's direction and programs. ABIH is a nonprofit corporation whose purpose is to promote, elevate and sustain the practice of the IH profession through ABIH certification worldwide. ABIH certifies individuals in the practice of industrial hygiene based on education, experience and examination. This forum provides an opportunity for IHs to learn more about ABIH programs and for the Board to hear about issues and concerns from its stakeholders.