This example from the Oil Industry, shows a model comprising of 8 main elements, with importantly the factors of 'Control', 'Correction' & 'Improvement'.

It is very similar in principal to the 'Excellence Model', breaking down into 28 sub elements to aid self assessment & development of an organisation. It also includes key aspects for Health, Safety & Environmental management of : Risk Management, Prevention & Mitigation, Emergency Response Planning, Incident Reporting, Investigation & Review.