“Loudness” is a function of sound intensity, which is a function of                                                  pressure squared (I

How does OSHA compare the relative safety performance companies of different sizes (number of employees)?

It is good practice to use emergency stops (E-Stops) to lockout a machine as they effectively stop the machine from running.

DART _______ DAFWI

Affected employees are trained to perform lockout/tagout.

In regard to exposure of blades, when the blades of a fan are less than seven feet above the ground the blades shall be guarded.

Confined space entry begins when an employee fully enters the confined space.

A company does not have to perform a hazard assessment, like a JSA/JHA, to determine which PPE is required for a given job/task if they simply require all employees to use PPE at all times as a condition of employment.

Decibel = 20 * log (P / P0). The P0 term in this formula refers to:

An oxygen deficient environment (O2 < 19.5%) presents a hazard to workers.  However,  an oxygen enriched environment (O2 > 23.5%) can also present a hazard in a confined space.