1. Definitions: In this Regulation, unless the context indicates otherwise,(a) “importunate frequency band” means 1 or 2 contiguous octaves for which the level or levels obtained by octave band analysis using the method prescribed in Schedule A, between 31.5 and 8,000 Hz, exceed the NR curve which envelops the spectrum of other frequency bands by at least 4 dB;
(b) “impact noise” means any noise made by mechanical shocks of solid bodies or by impulses;
(c) “information bearing noise” means any noise in which a melody or words may be distinguished;
(d) “dB” means a non-dimensional unit used to express the logarithmic ratio between a measured value and a reference value which, when applied to noise, is established in accordance with section 3 of publication No. 179 (second edition, 1973) of the Central Office of the International Electrotechnical Commission;
(e) “dBA” means the value of the overall sound pressure level measured on the A scale established in accordance with the standards and methods prescribed in publication No. 179 (second edition, 1973) of the Central Office of the International Electrotechnical Commission;
(f) “application” means an application for an authorization for a hot mix asphalt plant made under section 22 of the Act;
(g) “existing” means a plant that was already in operation or use in Québec before 28 November 1979;
(g.1) “post-consumer asphalt shingle fines” means residual materials composed essentially of gravel and bituminous asphalt from asphalt shingles at the end of their useful life;
(h) “dwelling” means any structure intended for lodging human beings and provided with a water supply and a waste water disposal system connected to the ground;
(j) “suspended matter” means any substance in suspension in a liquid or on its surface which may be retained by a glass fibre filter equivalent to Reeve Angel No. 934AH paper;
(k) “particulate matter” means any substance other than uncombined water that exists in a finely divided form as a liquid or a solid in suspension in a gaseous medium;
(l) “emission period” means a period of emission during which the intensity of the sound produced exceeds, at the point of measurement, the sum of the standard prescribed in section 8 and the attenuation between the point of measurement and the evaluation point;
(m) “evaluation point” means a place chosen for determining the intensity of the noise produced by a hot mix asphalt plant;
(n) “point of measurement” means a place where a microphone is placed to measure a noise;
(o) “stream” means a small natural watercourse flowing all year long;
(p) “Minister” means the Minister of Sustainable Development, Environment and Parks;
(q) “hot mix asphalt plant” means an establishment in which a homogeneous product commonly referred to as “asphalt”, and intended mainly for the coating of roads, is manufactured from bituminous asphalt and other aggregate material.