translate English to French: The original parts would lose their status as articles during welding because the welding process releases emissions to the air.The quantity of NPRI substances contained in the parts would be used to calculate the reporting threshold.The quantity of NPRI substances in the welding rods would also be included in the calculation of the reporting threshold.
Il faut donc procéder au calcul du seuil pour chacune de ces substances. En outre, puisque le chrome que contient l'ACC est hexavalent, le seuil de 50 kg s'applique à la fois au chrome et à l'arsenic.