The atmospheric pressure at an altitude of 10,000 feet above sea level is approximately 523 mm Hg. What is the approximate PN2 at this altitude?   Show your work and include units.  Do not round up answer and please express to two decimal places.

During forced expiration, two separate groups of muscles that prominently come into play are the ______ and _____.  Please put answers in the space provided.

The device often attached to your finger when you enter the examination room of your physician’s office is called a ______.

Fault tree first step:

OSHA inspections are always announced.

Inspections are a key part of safety programs.

OSHA applies to most private industries.

Respirator programs require:

Behavior is easier to change than attitude.

HazCom standard: