airborne noise emitted means the A-weighted sound power level, LWA, of the household appliance, expressed in decibels (dB) with reference to the sound power of one picowatt (1 pW), transmitted by the air
Council Directive 86/594/EEC of 1 December 1986 on airborne noise emitted by household appliances. ... In the present case, legislative harmonization must be confined to those requirements necessary to measure the airborne noise emitted by household appliances and to carry out checks on the declared level; whereas such requirements must replace the national provisions in this field.
