The Noise Emission in the Environment by Equipment for use Outdoors Regulations 2001

Information to be reported

4.  The A-weighted sound power level of the source under test shall be reported to the nearest whole number (less than 0.5 use the lower number; greater than or equal to 0.5 use the higher number).

The report shall contain the technical data necessary to identify the source under test as well as the noise test code and the acoustical data.