Frequently Asked Questions

Answers to most questions related to the PS may be found in the PS section of this website. Here are a few of the most common questions that are posed to the CAOHC staff members. 


Q: Who determines if a hearing loss is work related?

A: According to OSHA, a Professional Supervisor of the Audiometric Monitoring Program™ (PS/A) has the authority to determine the work-relatedness of a hearing loss for purposes of recording hearing loss on the OSHA 300 Log of work related injuries and illnesses.  It is recommended that the PS collaborate and obtain information from  with all members of the hearing conservation team (e.g. Industrial Hygiene, Safety, Human Resources and medical). For more details see the PS Scope of Practice. 


Q: How long is my certification valid? 

A: The certification for the Professional Supervisor of the Audiometric Monitoring Program (CPS/A) is valid for five years. Those who certify must recertify by the end of the calendar year of the fifth year. (The certification expires on December 31st of the expiration year.)


Q: Who has the responsibility of keeping track of my certification expiration date? 

A: It is the responsibility of the person who is certified to keep track of their own expiration date.


Q: Do you have to be an audiologist or physician (MD, DO) to take the PS workshop and/or exam?

A: The PS workshop is intended for audiologists and physicians who supervise and review audiometric testing for hearing conservation programs. Other hearing conservation professionals may participate in this course; however, they are not eligible to take the certification exam.

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