Western Australian Consolidated Regulations In this Division,
unless the contrary intention appears —
action level means an action level referred to in
regulation 7.3;
approved , in relation to noise regulation in this
Division, means approved by the State mining engineer;
dB(A) means decibels of A‑weighted sound
pressure level;
dB(lin) means decibels of unweighted sound
pressure level;
noise exposure means the amount of sound energy a
person is exposed to during a representative working day, ascertained as
AS 1269 provides for LAeq,8h to be ascertained;
noise level means the A‑weighted sound
pressure level in decibels as read from approved sound measurement equipment;
noise report means a noise report prepared in
accordance with regulation 7.8;
peak noise level means the unweighted peak hold
sound pressure level (or L peak) in dB(lin) as read from approved sound
measurement equipment.
[Regulation 7.1 amended in Gazette
13 Dec 1996 p. 6932.]