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Health Professionals > Endoscope Reprocessing

3.5b Risk Assessment

PERACETIC ACID

This is currently registered in Australia for use as a chemical sterilant with the Steris System1®, and as a high level disinfectant with the Reliance™. Endoscopic Processing System, or Soluscope® 3CC-PAA reprocessor.

The Steris and Reliance biocide is supplied in a sealed container with a liquid part and a powder part. The liquid part contains peroxyacetic acid, acetic acid, hydrogen peroxide, sulfuric acid and water. The powder part or the buffers include nitrilotriacetic acid, trisodium salt monohydrate.

Peracetic acid supplied for use in the Soluscope 3CC PAA is a 2 part liquid dose system. The system uses two 5 litre storage containers; one container holds the peracetic acid concentrate and the other container holds the buffer/anti corrosive concentrate.

What are the health effects?

Peracetic acid is classified as hazardous to health in accordance with ASCC criteria.

Eye Irritation

Peracetic acid is corrosive and may cause lacrimation, burns, conjunctivitis, inflammation and permanent eye damage including blindness.

Respiratory Irriation

Peracetic acid is corrosive by inhalation. Vapour/mist will irritate nose, throat and lungs, but will usually subside when exposure ceases. Coughing, sneezing, mucous production, nausea, headache and breathing difficulty may occur.

Skin Irritation

Peracetic acid is corrosive and may cause severe burns. It is toxic by absorption through intact skin and may cause redness, stinging, swelling, defatting, burns and irritant contact dermatitis.

Swallowed

Peracetic acid is corrosive if swallowed and may cause nausea, vomiting and serious damage to tissues.

Other

Studies do not confirm increased risk of cancer in exposed humans and peracetic acid is not listed as a carcinogen.

Some of the components of the powder part are classified as possibly carcinogenic but no significant hazards should occur when good personal hygiene and safety practices are followed.

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What level of exposure is hazardous?

No exposure standard has been set for the Steris 20 Sterilant Concentrate or Soluscope P, however exposure standards exist for the individual constituents.

How can exposure be monitored?

Monitoring is not usually conducted because peracetic acid does not have an exposure standard.

What control measures are recommended?

elimination - eliminate the use of the hazardous substance (this may not always be possible)

substitution - substitute the chemical with one less hazardous

isolation - isolate the hazardous substance from the operator

engineering controls - e.g., install ventilation systems

administrative controls - those recommended for the use of peracetic acid are: 

PPE - recommended for use with peracetic acid are:

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Is health surveillance required?

A risk assessment should be conducted to determine if health surveillance is required. However if peracetic acid is used within an enclosed system, exposure will be minimal and health surveillance is unlikely to be required.

What training is necessary?

All employees required to handle peracetic acid must receive induction and ongoing training on its safe use. They should be fully trained in the nature and hazards of the product, as well as spill, leak and fire fighting responses.

What do I do in case of a spill?

Part of the training provided to anyone working with peracetic acid should include instructions on how to clean up a spill and in the use of the spill kit. Records must be kept of the details of staff induction and training.

A spill kit should contain:

An emergency response plan should be developed for large spills.

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Last Updated: 10 April 2008
Last Reviewed: 10 April 2009