Also, calculations should include the quantity of halocarbon that was in the system at the beginning of the year plus any additional halocarbons that were added (i.e., during annual leak test) throughout the calendar year.
En outre, il faut tenir compte, pour l'année civile, des halocarbures qui se trouvaient dans le système au début de l'année et de tout ajout (p. ex. à l'issue des tests de fuite annuels).