# The Lawnmowers (Harmonization of Noise Emission Standards) Regulations 1992, 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.

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Source: https://www.legislation.gov.uk/uksi/1992/168/schedule/3/paragraph/8.4 (the official version)
Page: https://openlegislation.uk/lawnmowers-harmonization-of-noise-emission-standards-regulations-1992/schedule-3/paragraph-8.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.