Paragraph 8.4 Calculation of the surface sound pressure level LpAm
The surface sound pressure level is the level calculated in accordance with the method described in 8.1.2 and then corrected as described in 8.6.1, 8.6.3 and 8.6.4.
The surface sound pressure level is the level calculated in accordance with the method described in 8.1.2 and then corrected as described in 8.6.1, 8.6.3 and 8.6.4.