S.L. 427.19 Art. 6or non- 0. If there are for a specific Figure Additional

Environmental correction K 2A Equipment shall be measured on a reflecting surface of concrete porous asphalt, then the environmental correction K is set to K = 2A 2A other specifications laid down in a noise test code of these regulations equipment, these specifications shall be used.

microphone array on the hemisphere (12 microphone positions)