In compliance with the rules laid down at national level in Act No. 447 of 1995, the present Regional Act sets out protective measures in respect of noise pollution. For the purpose of applying the emission limit values referred to in article 2 of Act No. 447 of 1995, the Communes shall classify their respective territories into specific areas. In doing so, the Communes shall take into account the six types of areas defined in article 2 as well as the classification criteria laid down in article