Evantaa Institute Editorial Team | Industry News | 16 September 2026 | 7 min read
From 1 December 2026, the amount of wood dust a carpenter or cabinet maker can legally breathe in during an eight-hour shift is being cut by more than half. Cement dust on bricklaying, blocklaying and plastering sites is being cut by 90 per cent. If you’re training for a trade in Melbourne or Brisbane, this is one of the more significant safety changes to land during your career — and it’s worth understanding now, before it takes effect.
Information checked on: 16 September 2026. This article summarises confirmed regulatory changes from Safe Work Australia and official state sources. It is general industry information only, not workplace health and safety compliance advice — always confirm current requirements directly with Safe Work Australia, WorkSafe Victoria or WorkSafe Queensland.
What’s Actually Changing
Safe Work Australia has confirmed that the national system for regulating airborne workplace hazards is being renamed and rebuilt. The current system, Workplace Exposure Standards (WES), is being replaced by a new system called Workplace Exposure Limits (WEL). The name change is deliberate — Safe Work Australia says “WEL” makes it clearer that these are limits that must not be exceeded, rather than general guidance figures.
Work health and safety ministers across every state and territory have agreed to roll out the new WEL list on the same date nationally: 1 December 2026. Victoria has confirmed it will bring the change into effect through amendments to the Occupational Health and Safety Regulations 2017, with other jurisdictions, including Queensland, adopting the same national list under the same agreed timeline.
Safe Work Australia’s review found that most exposure limits are staying the same. But a handful of substances that trade students work with every day are changing — and two of the confirmed changes matter directly to Evantaa students.
The Two Confirmed Changes That Matter Most
Wood dust: carpentry and cabinet making
The eight-hour exposure limit for softwood dust — the dust produced when cutting, sanding or routing pine and other softwood framing timber — is dropping from 5 mg/m³ to 2 mg/m³. The separate short-term exposure limit that used to apply is being removed altogether, replaced by the single, stricter eight-hour figure.
This is directly relevant to anyone training in carpentry or cabinet making, where dust extraction, correctly fitted respiratory protective equipment (RPE) and good workshop ventilation are already part of safe work practice. The new limit means those habits become even more important, not optional extras.
Cement dust: bricklaying, blocklaying and solid plastering
Respirable Portland cement dust is dropping from an eight-hour limit of 10 mg/m³ to 1 mg/m³ — a tenfold reduction. Related substances used in mortar, render and plaster mixes, including calcium oxide and calcium hydroxide, are also being tightened.
For students training in bricklaying, blocklaying or solid plastering, this affects everyday tasks like cutting blocks, mixing render and cleaning up dust after cutting or grinding masonry.
| Substance | Current limit (8-hr TWA) | New limit from 1 Dec 2026 | Trades most affected |
|---|---|---|---|
| Softwood dust | 5 mg/m³ | 2 mg/m³ | Carpentry, Cabinet Making |
| Portland cement (respirable dust) | 10 mg/m³ | 1 mg/m³ | Bricklaying & Blocklaying, Solid Plastering |
| Calcium oxide | 2 mg/m³ | 1 mg/m³ | Bricklaying & Blocklaying, Solid Plastering |
Figures sourced from Safe Work Australia’s official schedule of changes. TWA = time-weighted average.
What’s Still Under Review: Crystalline Silica
If you work with tiles, bricks, blocks, concrete or render, you’ll already be familiar with crystalline silica dust — the fine dust released when cutting, grinding or drilling materials that contain silica. It’s the substance behind Australia’s engineered stone ban, which has applied in both Victoria and Queensland since 1 July 2024.
Silica is one of nine substances Safe Work Australia has flagged as needing further impact analysis before a final WEL value is set, alongside formaldehyde, benzene and several other chemicals. That means the current national limit — an eight-hour exposure standard of 0.05 mg/m³ — is not yet confirmed to change on 1 December 2026. WorkSafe Victoria already recommends employers aim for a stricter precautionary target of 0.02 mg/m³ where practical, well ahead of any formal change.
For Wall and Floor Tiling students in particular, this is worth watching. Whatever the final number turns out to be, the direction of travel on silica has been the same for years: tighter limits, more monitoring and a stronger expectation that on-tool water suppression or dust extraction is used as standard, not as an afterthought.
Why This Matters for Your Career, Not Just Right Now
It’s easy to read a regulatory change like this and think it’s someone else’s problem — an issue for site supervisors and compliance managers, not someone still completing a Certificate III. But dust control is one of the first practical safety skills taught in Evantaa’s trade programs, and it’s a skill you’ll carry for the rest of your working life.
Employers are increasingly expecting new tradespeople to arrive already comfortable with:
- Correctly fitting and using P2-rated respiratory protective equipment
- Operating on-tool dust extraction and water suppression systems
- Recognising which tasks and materials carry higher exposure risk
- Understanding when a task requires air monitoring or health monitoring
A tighter national limit doesn’t change what good practice looks like — it raises the bar for how consistently it needs to be followed. Students who leave their qualification already treating dust control as routine, rather than optional, tend to have an easier time meeting employer expectations on their first job site.
How Evantaa’s Trade Courses Prepare You for This
Workplace health and safety, including airborne hazard awareness, is built into the practical training for each of Evantaa’s trade qualifications:
- Certificate III in Carpentry (CPC30326)
- Certificate III in Bricklaying and Blocklaying (CPC33020)
- Certificate III in Wall and Floor Tiling (CPC31320)
- Certificate III in Solid Plastering (CPC31020)
- Certificate III in Cabinet Making and Timber Technology (MSF30322)
Course structure and unit details can change, so always check the current course page on the Evantaa website for the latest information before enrolling.
Quick Facts at a Glance
- What’s changing: Australia’s Workplace Exposure Standards (WES) are being replaced by Workplace Exposure Limits (WEL)
- When: Nationally from 1 December 2026, agreed by WHS ministers across all states and territories
- Confirmed changes relevant to trades: softwood dust (5 → 2 mg/m³), Portland cement dust (10 → 1 mg/m³)
- Still under review: crystalline silica, formaldehyde and seven other substances
- What doesn’t change (for now): the current silica limit of 0.05 mg/m³ stays in force until any new figure is confirmed
Frequently Asked Questions
Does this affect me if I’m still studying, or only qualified tradespeople?
It affects any workplace where these substances are present, including training environments and worksites you attend as part of practical training or work placement. Understanding the change now means you’ll already know what “normal” looks like once it takes effect.
Is the change the same in Victoria and Queensland?
Yes. WHS ministers have agreed to a single national WEL list rolling out on the same date, 1 December 2026, though each state implements it through its own work health and safety regulations.
Will the silica limit definitely change too?
Not confirmed yet. Safe Work Australia has flagged silica for further analysis before setting a final figure. The current national limit of 0.05 mg/m³ remains in force in the meantime.
Do I need extra certification to comply with the new limits?
The change affects exposure limits, not qualification requirements. However, employers may update site procedures, PPE requirements and monitoring schedules to meet the new figures, so staying current with your employer’s safety briefings will matter.
Where can I read the official details?
Safe Work Australia’s website has the full, current list of changes, and each state regulator (WorkSafe Victoria or WorkSafe Queensland) publishes guidance on how the change applies locally.
A Practical Next Step
If you’re weighing up which trade qualification is the right fit, workplace safety content like this is a genuine part of what you’ll learn from day one — not a separate compliance module bolted on afterwards. Explore Evantaa’s current trade qualifications on the Our Courses page, or get in touch with the Melbourne or Brisbane campus team to ask how safety training is built into practical workshops.
Sources
- New Workplace Exposure Limits (WEL) to apply from 1 December 2026, Safe Work Australia — safeworkaustralia.gov.au (accessed 16 September 2026)
- Changes to Workplace Exposure Limits, effective 1 December 2026 (PDF), Safe Work Australia — safeworkaustralia.gov.au (accessed 16 September 2026)
- Workplace Exposure Standard for Respirable Crystalline Silica, Safe Work Australia — safeworkaustralia.gov.au (accessed 16 September 2026)
- Preventing exposure to crystalline silica dust, WorkSafe Victoria — worksafe.vic.gov.au (accessed 16 September 2026)
- Respirable crystalline silica (general), WorkSafe Queensland — worksafe.qld.gov.au (accessed 16 September 2026)
- Workplace Exposure Limits for Airborne Contaminants Regulatory Impact Assessment (PDF), Victorian Government — vic.gov.au (accessed 16 September 2026)
Information checked on: 16 September 2026. Evantaa Institute is an Australian vocational education provider, RTO 45866 and CRICOS Provider Code 04025C, with campuses in Melbourne and Brisbane. This article provides general safety and industry information only, not workplace health and safety compliance advice. Course and qualification details should always be confirmed at evantaa.edu.au.