Exposure Standards

While supporting the concept that exposure to chemical agents should be kept as low as practicable, Safe Work Australia also recognises that, in practice, guidance in the form of exposure standards may be used by occupational health and safety practitioners, employers and employees or their representatives, and regulatory agencies to assist them in ensuring that workers are adequately protected from substances that may impair health or cause undue annoyance.

The exposure standards represent airborne concentrations of individual chemical substances which, according to current knowledge, should neither impair the health of nor cause undue discomfort to nearly all workers.

The exposure standards serve as guides only, and have no legal status unless they are specifically incorporated into Commonwealth, State or Territory legislation.

Exposure standards may be accessed through the Hazardous Substances Information System (HSIS).

Guidance Note

Guidance Note on the Interpretation of Exposure Standards for Atmospheric Contaminants in the Occupational Environment 3rd Edition [NOHSC:3008(1995)]

Declared Exposure Standards

Amendments to Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment [NOHSC:1003(1995)] (Source A Updates 2005)

Amendments to Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment (Source C Updates)October 2004

Amendments to Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment (Source D) July 2003

Amendments to Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment (Source A Updates Batch 3) July 2003

Amendments to Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment (Source D) April 2003

Amendments to Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment (Source A Updates Batch 3) April 2003

Amendments to Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment (Source A Updates Batch 2) April 2002

Amendments to Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment (Source A Updates Batch 1) October 2001

Amendments to Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment (April 1998)

Amendments to adopted national Exposures Standards for Atmospheric Contaminants in the Occupational Environment (April 1997)

Adopted National Exposure Standards For Atmospheric Contaminants In The Occupational Environment [NOHSC:1003(1995)] Please note that there have been a number of amendments to this document since its publication in 1995, however these have not been consolidated into the list of exposure standards published. A current list of all declared National Exposure Standards can be found in the Hazardous Substances Information System (HSIS).

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