National Occupational Health and Safety Commission Standard NOHSC 1003:1995 Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment - Australian Government


You may be required to comply with this standard if you intend to operate an offshore petroleum facility. An offshore petroleum facility is a vessel or structure located at a site in Commonwealth waters that is used for:

  • the recovery, processing, storage and offloading of petroleum
  • drilling or servicing a well for petroleum
  • laying pipes for petroleum
  • other purposes related to offshore petroleum operations.

You must not allow your employees to be exposed to an airborne concentration of a hazardous substance that exceeds the appropriate exposure standard for the relevant period of time.

Appropriate exposure standards for different hazardous substances are set out in this standard.

Please consult the Contact Officer for more information and to ascertain the level of compliance (if any) that may be required.

Service type

Code of Practice

A code of practice can be either a legal requirement or non-legal requirement. Legal codes of practice are defined as a result of legislation. Non-legal codes of practice are defined by industry regulators and bodies.

Administering agency

The National Offshore Petroleum Safety and Environmental Management Authority

Contact details

Contact Email, Phone and Address Details for this service in simple two column table format, header then data.

General Enquiries

Operating address: Level 8
58 Mounts Bay Road
Western Australia 6000
Mailing address: GPO BOX 2568
Perth, Western Australia 6001
Phone: 08 6188 8700
Fax: 08 6188 8737
Website: The National Offshore Petroleum Safety and Environmental Management Authority (Opens in new window)