Prohibition of supply of excessively loud category 3 fireworks8
1
No person shall supply, or offer or agree to supply, any category 3 firework which, when used, produces a maximum A-weighted impulse sound pressure level exceeding 120 decibels when measured in accordance with paragraph (2) below.
2
For the purposes of paragraph (1) above, the sound pressure level is to be measured—
a
at a horizontal distance of fifteen metres from the testing point at a height of one metre above the ground; and
b
using a sound measuring device which conforms to type 1 of BS EN 61672 with a free-field microphone.