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Extraneous electricity which generally consists of electrical currents which flow through the earth or from electrically operated equipment to earth.

Detonation of an explosive charge caused by the shock wave from the explosion of an adjacent charge.

The act of consolidating stemming material or pressing explosive cartridge in a drill hole.

The junction of the face and the floor. Also, unbroken rock remaining at the junction of the face and floor.

A measure of the rate, in metres per second, at which the detonation wave travels through an explosive.

A formal risk assessment will contain, as a minimum, the following components:

• Step by step description of all the activities undertaken in the task
• A list of the identified hazards or risks associated with each of the steps.
• A description of the consequence of an adverse outcome.
• An estimate of the liklihood or frequency, from never to always.
• An estimated rating of the risk consequence, from insignificant to catastrophic.
• An overall risk rating, Low, Moderate, High, Extreme, generally guided by a risk cube.
• Existing and Addiitonal controls to manage the identified risks.
• Signoff by the risk team

Example of completed Formal Risk Assessment.

Example of Risk Cube to rate risk.

the person who has applied for and received a licence from the Regulator after having successfully undergone police and PMV checking.

A criminal history check conducted on an applicant through the Police Service. This check covers all states and territories.

The systematic application of management policies, procedures and practices to the tasks of :
a. Hazard Identification (What can go wrong and why?).
b. Risk Analysis - Comparing the anticipated risks of intervention with the risks of no intervention result (How bad and how likely is it?).
c. Risk Assessment - A systematic process for the identification, analysis and evaluation of a substance, thing or happening (hazard) that may under different circumstance lead to an accidental loss or security breach (How acceptable is it?).
d. Risk Control (What can we do about it?).

ammonium nitrate, ammonium nitrate emulsions and ammonium nitrate mixtures containing greater than 45% ammonium nitrate, excluding solutions and ammonium nitrate products classified as class 1 explosives.