Extra or Emergency Fire Fighter (EFF) : Personnel other than regular employees or seasonally employed crews, hired on a casual basis for presuppression and suppression related work activities
The Canadian Interagency Forest Fire Centre (CIFFC), Glossary of Forest Fire Management Terms, Manitoba, Canada 2003. http://bcwildfire.ca/mediaroom/Backgrounders/2003_ Fire_Glossary.pdf, (For Fr - Canad) {474}