Major industrial advances
One of the main advances in the conditioning of waste has been a reduction by a factor of 6 in the volume of high-level long-lived waste (HLW-LL) produced, in the 15 years after the Bataille Act was passed, from 1991 to 2006. This reduction is even greater by comparison with the first graphite-moderated gas-cooled reactors. Waste volumes are calculated in relation to the amount of electricity produced: one gigawatt-hour, which is equivalent to one million kilowatt-hours.