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Environmental Protection Regulation 2019
sec.61Measuring source noise for particular noise standards
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### sec.61 Measuring source noise for particular noise standards
Source noise for a noise standard under section 440T , 440U or 440V of the Act may be measured as L A90, T .
Source noise for a noise standard under section 440W , 440X or 440Y of the Act may be measured as L Aeq,T .
In this section—
L Aeq, T means the value of the A-weighted sound pressure level of a continuous steady sound that within a measurement time interval (T) has the same mean square sound pressure as a sound under consideration the level of which varies over time.
(sec.61-ssec.1) Source noise for a noise standard under section 440T , 440U or 440V of the Act may be measured as L A90, T .
(sec.61-ssec.2) Source noise for a noise standard under section 440W , 440X or 440Y of the Act may be measured as L Aeq,T .
(sec.61-ssec.3) In this section— L Aeq, T means the value of the A-weighted sound pressure level of a continuous steady sound that within a measurement time interval (T) has the same mean square sound pressure as a sound under consideration the level of which varies over time.