The obligation
The Code describes three categories of timber preservatives: oil-borne, waterborne and light organic solvent-borne.
Oil-borne preservatives include creosote and pigment-emulsified creosote. Waterborne preservatives include copper chromium arsenic (CCA), alkaline copper quat (ACQ), copper azole and boron. Light organic solvent-borne preservatives are fungicides and/or insecticides in a solvent such as methylene chloride or kerosene. Examples of commonly used preservatives are listed in Appendix B of the Code.
- What
- The Code describes three categories of timber preservatives: oil-borne, waterborne and light organic solvent-borne.
- Source
- safework.nsw.gov.au
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Frequently asked questions
Which WHS law does this come from?
Types of timber preservatives the Code covers is a WHS requirement set out in Safe handling of timber preservatives and treated timber (NSW). It is made under Work Health and Safety Act 2011 (NSW). The relevant provision is Safe handling of timber preservatives and treated timber.
What does this WHS obligation require?
Types of timber preservatives the Code covers is a WHS obligation under Safe handling of timber preservatives and treated timber (NSW). In short, The Code describes three categories of timber preservatives: oil-borne, waterborne and light organic solvent-borne.
What changed recently?
Types of timber preservatives the Code covers was last updated on 19 October 2026.