The following noise exposure data was collected for an
employee over an eight-hour period.
Three hours at 92 dBA
Two hours at 95 dBA
Three hours at 90 dBA
According to federal OSHA hearing conservation
standards, an employee may be exposed to 90 dBA for
a maximum of eight hours, 92 dBA for a maximum of six
hours, and 95 dBA for a maximum of four hours. The
employee for whom noise data was collected sustained
a noise exposure of _____________ of the permissible
exposure limit.

An eight-inch (diameter) grinding wheel spins at 2,000
revolutions per minute. You must calculate the grinding
wheel�s surface speed to ensure that this tool is being used
in accordance with the manufacturer�s recommendations.
The surface speed is:

A company has experienced four OSHA-recordable
injuries and illnesses in one year. Employees at the
company worked 250,000 hours during this year. The
incidence rate, calculated using the federal OSHA
technique, is:

An air-purifying respirator is equipped with a cartridge
displaying a white color code. For what class of airborne
contaminant does this cartridge provide respiratory
protection?

An Occupational Health and Safety Technologist in fulltime
employment is offered an opportunity to perform
safety-related consulting outside of full-time employment.
Before accepting this work, the OHST must consider
whether this consulting work will cause the OHST to:

Which reference best defines various industries and
describes the types of losses that these industries typically
face?

Methanol has a flash point of 52 ? and a boiling point
of 148 ?. According to the National Fire Protection
Association, this liquid is defined as Class:

To comply with the Clean Air Act of 1970, a facility using
or storing specific regulated substances over a threshold
amount must submit a Risk Management Plan (RMP) to the
federal EPA that defines the facility�s:

The Occupational Safety and Health Act of 1970 requires
each employer covered by the Act to furnish employees
with �places of employment which are free from
recognized hazards that are causing or likely to cause
death or serious physical harm.� This is also known as the:

The primary source of error in colormetric sampling
devices is: