51—Managing risks to health and safety
(1) A
person conducting a business or undertaking at a workplace must manage risks
to health and safety associated with a hazardous atmosphere at the workplace,
in accordance with Chapter 3 Part 1.
Note—
WHS Act—section 19 (see regulation 9).
(2) An atmosphere is a
"hazardous atmosphere" if—
(a) the
atmosphere does not have a safe oxygen level; or
(b) the
concentration of oxygen in the atmosphere increases the fire risk; or
(c) the
concentration of flammable gas, vapour, mist, or fumes exceeds 5% of the LEL
for the gas, vapour, mist or fumes; or
(d)
combustible dust is present in a quantity and form that would result in a
hazardous area.