Why this pair matters Diacetyl (2,3-butanedione) is a new WEL substance: 0.04 mg/m³ (0.01 ppm) as an 8-hour TWA and 0.07 mg/m³ (0.02 ppm) as a STEL. WES remains the reference until 30 November 2026; WEL applies from 1 December 2026 once implemented. Check your WHS regulator. Where it shows up Flavour compounding and food...
Why HSE and ops should care But-2-yne-1,4-diol (2-butyne-1,4-diol) is a new airborne contaminant with an 8-hour WEL of 0.5 mg/m³. WES remains the reference until 30 November 2026; WEL applies from 1 December 2026 once implemented. Check your WHS regulator. Where airborne risk shows up Fine chemical manufacture, electroplating and formulation. Bag tipping, weighing, milling,...
Why this number matters 1-Bromopropane (n-propyl bromide or nPB) is a new WEL substance: 0.5 mg/m³ (0.1 ppm) as an 8-hour TWA. WES remains the reference until 30 November 2026; WEL applies from 1 December 2026 once implemented. Check your WHS regulator. Where it shows up Vapour degreasing and precision cleaning. Adhesive/coating formulations, aerosols and...
Two stories travel together in WHS channels: everything changes on 1 December 2026, and RCS halves to 0.025. For tunnelling dust programs, both need a clear correction. WES becomes WEL and new entries appear, including DPM as respirable elemental carbon. But the RCS value remains 0.05 mg/m³ respirable on 1 December 2026. Do not write...
Tunnelling puts people and diesel plant in the same confined air volume for long shifts. Diesel particulate matter (DPM) is the particulate fraction of diesel exhaust that occupational hygienists sample when discussing elemental carbon in a heading, portal or plant bay. From 1 December 2026, Safe Work Australia’s national list introduces a Workplace Exposure Limit...
The Heavy Vehicle National Law just had its biggest shake-up in over a decade, and it landed on 1 August 2026. If you run a transport or logistics business in NSW, Victoria, Queensland, South Australia, Tasmania, or the ACT, the rules you’ve been operating under have changed, and a documented Safety Management System is no...
Ransomware attacks are not a rare event in Australia anymore. They are a regular feature of the business risk landscape, and until recently, most organisations that paid a ransom did so quietly, with no obligation to tell anyone. That has changed. The mandatory ransomware and cyber extortion reporting regime under the Cyber Security Act 2024...
This July update summarises the legislation and regulations flagged in our register across New South Wales, Victoria, Queensland and the Commonwealth. The July register includes updates across work health and safety, environmental protection, biodiversity conservation, building and construction regulation, worker screening, dangerous goods, energy retail, transport and fatigue management, healthcare administration, industrial relations, and corporate...
This June update summarises the legislation and regulations flagged in our register for the month across New South Wales, Victoria, Queensland, South Australia and the Commonwealth. While the underlying amendments and commencement dates vary by instrument, the June register shows recurring activity across environmental protection, planning and development, building and construction compliance, work health and...
If your business works with chemicals, dust, fumes, vapours, or gases, December 2026 is a compliance date you need on your radar right now. A significant change to how airborne contaminant exposure is regulated in Australian workplaces is coming. And while six months may feel like plenty of time, the organisations that move through this...
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