ADaMS Access Distribution and Management System
CEPS CERN Environmental Protection Steering Board
CTA Core Training Application
DSO Departmental Safety Officer
DTO Departmental Training Officer
HSE Health & Safety and Environment
LEXGLIMOS Large Experiment Group Leader In Matters of Safety
MPA Associated Member of Personnel (Users, Students, Associates)
MPE Employed Member of Personnel (Staff, Fellow, Apprentices)
OHSAS Occupational Health and Safety Assessment Series
SIR Safety Information Registration
SOS Safety Officer's Support 
Awareness To be conscious of something (OHSAS 18002:2008). To make persons sufficiently knowledgeable (OHSAS 18001:2007)
e-Learning All forms of electronic supported learning and teaching which aim to effect the construction of knowledge with reference to individual experience, practice and knowledge of the learner.
Habilitation Authorisation granted by the employer to perform specified tasks following a verification of the authorised persons' ability to perform such tasks safely.
Refresher course Course for reviewing material previously studied or updating information or skills.
Risk Combination of the likelihood of an occurrence of a hazardous event or exposure(s) and the severity of injury or ill health that can be caused by the event or exposure (OHSAS 18001:2007).
Training Should focus on both competency requirements and the need to enhance awareness (OHSAS 18001:2007).