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The Lawnmowers (Harmonization of Noise Emission Standards) Regulations 1992
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- 1992 No. 168
- SCHEDULE 3
- PART 1
- Regulation 9.4
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9.4 Acoustic data
shape and dimensions of measuring surface, location of microphones. Numbers of measuring points and wind direction shall be indicated in the diagram required under 9.2(a);
(b)value of
(c)place, date and time of measurements;
(d)sound pressure levels recorded at measuring points (see 8.1.1);
(e)average sound pressure level over measuring surface (see 8.1.2);
(f)any dB corrections (see 8.6.1, 8.6.3 and 8.6.4);
(g)surface sound pressure level LpAm (see 8.4);
(h)environmental constant C (see 8.6.2);
(i)sound power level (see 8.5);
(j)directivity index and number of the measuring point at which LpAmax was recorded (see 3.6);
(k)nature of noise (see 7.3);
(l)where applicable, sound pressure levels at operator’s position (see Part 2).
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