Regulation 2(1)
PART 2WEEKLY PERSONAL NOISE EXPOSURE LEVELS
The weekly personal noise exposure, LEP,w , which corresponds to
defined in international standard ISO 1999: 1990 clause 3.6 (note 2) for a nominal week of five working days, is expressed in decibels and is ascertained using the formula:
where—
m is the number of working days on which the person is exposed to noise during a week; and (LEP,d)i is the LEP,d for the working day i.