Official deliverable for Determination of Lden and Lnight using measurements[12 January 2006]
The first official deliverable for Determination of Lden and Lnight using measurements is downloadable here (bottom of the page).
This method describes how to determine Lden and Lnight, as defined by the European directive 2002/49/EC, by direct measurement or by extrapolation of measurement results by means of calculation. The measurement method is intended to be used outdoors as a basis for assessing environmental noise and for verifying the quality of predictions. The method can also be used for monitoring purposes.