The bottom line is: Is the final outcome in line with expectations for other employees doing the same work?
In addition, pursuant to Section 5(a)(1), the General Duty Clause of the Act, employers must provide their employees with a workplace free from recognized hazards likely to cause death or serious physical harm.
Approximately 28 million Americans have some degree of hearing loss [1,9].
Employers must provide accommodations of some sort if requested.
This Safety and Health Information Bulletin is not a standard or regulation, and it creates no new legal obligations.
However, they are not obligated to do anything that would "impose an undue hardship." What constitutes a "hardship" may depend on the size of the business.