b) s’il s’agit d’un type de combustible solide autre que le charbon, un échantillon composite par mois établi à partir de sous-échantillons de même masse du combustible ayant servi à la combustion, prélevés à chaque semaine au cours de laquelle le groupe produit de l’électricité et qui commence au cours du mois et à au moins quarante-huit heures d’intervalle, après tout traitement du combustible mais avant qu’il ne soit mélangé à d’autres combustibles;
(b) for a type of solid fuel other than coal, one composite sample per month that consists of sub-samples of fuel of that type, each having the same mass, that were taken from fuel that was fed for combustion during each week that begins in that month and during which the unit produces electricity and that were taken at least 48 hours after any previous sub-sample and after all fuel treatment operations had been carried out but before any mixing of the fuel from which the sub-sample is taken with other fuels;
