HSE & RiskVerified
9.1.1 meaning in oil and gas
9.1.1 means Emergency phone number. 911 is the emergency phone number in USA and some other countries (equivalent to 999 in the UK) Or, could mean 9-11 (11th September) the date of the World Trade centre attacks.
Definition
Emergency phone number
911 is the emergency phone number in USA and some other countries (equivalent to 999 in the UK) Or, could mean 9-11 (11th September) the date of the World Trade centre attacks.