Is your workplace ready for December 2026? Australia’s new Diesel Particulate Matter (DPM) workplace exposure limit changes the compliance landscape for any business using diesel equipment. Complete DPM monitoring guide. Without a structured approach, you risk overlooking critical obligations—and exposing your organisation to substantial WHS penalties.
DPM Compliance — Key Facts
- Failure to conduct DPM monitoring when required is a breach of the WHS Act — corporate PCBUs can face penalties of up to $3.6 million for Category 1 offences.
- Safe Work Australia requires DPM monitoring records to be kept for a minimum of 30 years, reflecting the long latency period of DPM-related diseases.
- The WEL reduction to 0.01 mg/m³ EC from December 2026 means many previously compliant workplaces will require re-monitoring and upgraded controls.
- A compliant DPM program must include: baseline monitoring, periodic re-monitoring (at least annually), written records, and formal notification to affected workers.
- Officers (directors, senior managers) face personal liability of up to $720,000 for Category 2 WHS breaches related to DPM compliance failures.
Sources: WHS Act 2011 | Safe Work Australia | WHS Regulations 2017 | Anitech Occupational Hygienists
This free DPM Compliance Checklist covers every aspect of compliance, from hazard identification through to reporting. Use it today to assess your current position, then download the PDF for your ongoing compliance program.
Who Needs This DPM Compliance Checklist?
If your workplace operates diesel-powered equipment, you’re in scope. That includes:
- Construction sites (excavators, dozer, generators)
- Mining operations (haul trucks, Load-haul-dump vehicles, stationary engines)
- Transport and logistics (diesel fleet vehicles, forklift operations)
- Manufacturing (diesel-powered machinery, backup generators)
- Utilities and infrastructure (pumps, compressors, mobile plant)
- Agriculture (tractors, harvesters, stationary engines)
Even low-exposure scenarios require documented assessment. How to conduct a DPM exposure assessment. The new December 2026 WEL is 0.01 mg/m³ (elemental carbon). December 2026 WEL requirements. At this stringent level, many operations previously considered “low-risk” now require formal monitoring.
What This Checklist Covers
The DPM Compliance Checklist is organised into five core sections, each designed to walk you through your mandatory compliance obligations:
- Section A: Hazard Identification — Identifying all DPM emission sources at your site
- Section B: Exposure Assessment — Determining who is exposed and how much
- Section C: Control Measures — Engineering and work practice controls
- Section D: Monitoring Program — Setting up ongoing measurement and review
- Section E: Documentation & Reporting — Records, health monitoring, and regulatory communication
DPM COMPLIANCE CHECKLIST: SECTION A — HAZARD IDENTIFICATION
Identifying All Diesel Particulate Matter Sources
Compliance begins with knowing what you’re dealing with. Section A helps you map all DPM hazards at your site. For further context, see our detailed guide on real-world DPM monitoring case study from an Australian tunnelling project.
- [ ] A1. Have you identified all diesel-powered equipment currently in use at the site? (Include vehicles, stationary engines, generators, compressors, pumps)
- [ ] A2. Have you documented the location of each diesel emission source?
- [ ] A3. Have you noted the typical operating hours and duty cycle for each piece of equipment?
- [ ] A4. Have you assessed whether any equipment operates indoors (enclosed buildings, tunnels, underground areas)?
- [ ] A5. Have you evaluated the ventilation conditions in areas where diesel equipment operates?
- [ ] A6. Have you identified spaces with potential for DPM recirculation or accumulation?
- [ ] A7. Have you checked for any recent changes to equipment, processes, or site conditions that might increase DPM exposure?
- [ ] A8. Have you consulted workers about their perceptions of diesel fumes in their work areas?
- [ ] A9. Have you documented this hazard identification in your workplace assessment records?
- [ ] A10. Have you scheduled a review of hazard identification for changes to equipment or work practices?
DPM COMPLIANCE CHECKLIST: SECTION B — EXPOSURE ASSESSMENT
Measuring Occupational Exposure to DPM
Exposure assessment is mandatory. You must know whether your workers’ exposure exceeds the new 0.01 mg/m³ WEL.
- [ ] B1. Have you identified all job roles with potential DPM exposure?
- [ ] B2. Have you categorised exposures by likely level (high, moderate, low)?
- [ ] B3. Have you engaged a NATA-accredited occupational hygienist to plan sampling?
- [ ] B4. Have you conducted personal air sampling on representative workers?
- [ ] B5. Have you used NIOSH Method 5040 (or equivalent) for elemental carbon analysis?
- [ ] B6. Have you documented the sampling location, job title, duration, and conditions?
- [ ] B7. Have you compared your results against the 0.01 mg/m³ WEL?
- [ ] B8. Have you assessed whether controls currently in place are adequate?
- [ ] B9. Have you identified any exposure variability (day-to-day, season-to-season)?
- [ ] B10. Have you scheduled a repeat assessment (typically within 12 months) to verify ongoing compliance?
DPM COMPLIANCE CHECKLIST: SECTION C — CONTROL MEASURES
Engineering and Work Practice Controls
WHS law requires you to eliminate or minimise DPM exposure, starting with the highest-level controls.
- [ ] C1. Have you investigated equipment substitution (e.g., replacing diesel generators with electric alternatives)?
- [ ] C2. Have you upgraded to low-emission diesel engines (Euro IV or higher) where replacement is planned?
- [ ] C3. Have you installed or upgraded engine exhaust filters (DPF) on stationary diesel equipment?
- [ ] C4. Have you evaluated ventilation improvements in enclosed work areas?
- [ ] C5. Have you installed or maintained adequate general ventilation systems in enclosed spaces?
- [ ] C6. Have you established work practices that minimise time spent near diesel emission sources?
- [ ] C7. Have you provided or mandated respiratory protective equipment (RPE) as a secondary control only?
- [ ] C8. Have you checked RPE fit testing is current for all relevant workers?
- [ ] C9. Have you implemented a maintenance schedule for engines and emission control equipment?
- [ ] C10. Have you communicated control measures to all workers and supervisors?
DPM COMPLIANCE CHECKLIST: SECTION D — MONITORING PROGRAM
Ongoing Measurement and Compliance Verification
Monitoring doesn’t stop after your initial assessment. Establish an ongoing program.
- [ ] D1. Have you established a DPM monitoring frequency (typically annual, minimum)?
- [ ] D2. Have you appointed a responsible person to oversee the monitoring program?
- [ ] D3. Have you scheduled repeat exposure assessments at appropriate intervals?
- [ ] D4. Have you documented the monitoring plan (who, what, when, where, how)?
- [ ] D5. Have you retained all sampling reports and analytical results?
- [ ] D6. Have you tracked trends in exposure data over time?
- [ ] D7. Have you reviewed monitoring results within your management review process?
- [ ] D8. Have you communicated results to affected workers and health and safety representatives?
- [ ] D9. Have you established decision points for remedial action if exposure exceeds the WEL?
- [ ] D10. Have you scheduled a review of monitoring frequency if your site conditions, equipment, or workforce changes?
DPM COMPLIANCE CHECKLIST: SECTION E — DOCUMENTATION & REPORTING
Records, Health Monitoring, and Legal Defensibility
Documentation is your evidence of due diligence. Maintain it meticulously.
- [ ] E1. Have you documented your hazard identification process and findings?
- [ ] E2. Have you retained all exposure assessment reports from your occupational hygienist?
- [ ] E3. Have you documented the control measures you’ve implemented and their rationale?
- [ ] E4. Have you established a system for retaining sampling data and analytical reports?
- [ ] E5. Have you communicated monitoring results to your WHS committee or health and safety representatives?
- [ ] E6. Have you advised workers of their exposure levels and any health monitoring requirements?
- [ ] E7. Have you established a health monitoring protocol for workers with significant DPM exposure?
- [ ] E8. Have you notified your doctor or occupational physician of relevant health monitoring requirements?
Next Steps: Getting Compliance Right
This checklist is a starting point. Genuine compliance requires professional assessment and ongoing management.
Before December 2026, you must:
- Conduct an exposure assessment — work with a NATA-accredited occupational hygienist
- Implement control measures — eliminate or minimise DPM exposure
- Establish monitoring — measure ongoing compliance with the new 0.01 mg/m³ WEL
- Document everything — hazard ID, assessment, controls, monitoring, health screening
Download Your Free DPM Compliance Checklist
This checklist is available as a free PDF download for immediate use in your compliance program.
[DOWNLOAD PDF CHECKLIST]
The PDF version is formatted for printing and workplace use. Customise it for your specific site and operations, then use it as your compliance roadmap.
What Happens After the Checklist?
If this checklist reveals gaps in your current compliance program, you’re not alone. Most organisations need professional support to meet the new December 2026 requirements.
Anitech Group specialises in DPM compliance for Australian workplaces. We provide:
- Occupational hygiene assessment — NATA-accredited personal air sampling
- Exposure monitoring — using NIOSH Method 5040 analytical standards
- Control recommendations — tailored to your workplace and equipment
- Health monitoring coordination — working with your occupational physician
- Compliance documentation — detailed reports supporting your WHS defence
Your DPM Compliance Timeline
| Milestone | Deadline | Action |
|---|---|---|
| Hazard identification & initial assessment | June 2026 | Identify DPM sources; commission exposure assessment |
| Control implementation | September 2026 | Install or upgrade controls (DPF, ventilation, work practices) |
| Monitoring establishment | December 2026 | WEL effective date; monitoring program must be operational |
| Health monitoring | December 2026 | Screen workers; initiate ongoing health assessment if needed |
| First compliance review | June 2027 | Review monitoring data; adjust controls or frequency if required |
Ready to Assess Your DPM Compliance?
Book a free 20-minute DPM compliance consultation with Anitech Group. We’ll review your checklist responses, identify priority gaps, and outline what you need to do before December 2026.
[BOOK A CONSULTATION]
Or download our complete DPM monitoring guide for in-depth technical information on assessment, controls, and monitoring standards.
FAQ: DPM Compliance Checklist
Q: Do I really need to assess DPM if my workers don’t complain about diesel fumes?
A: Yes. The December 2026 WEL is 0.01 mg/m³ — below the level at which workers can typically smell diesel. Absence of complaints doesn’t mean absence of exposure. Assessment is mandatory.
Q: How much will DPM monitoring cost?
A: Personal air sampling typically ranges from AUD $800–$1,500 per sample, depending on site complexity. DPM monitoring costs. A small operation with 5 workers might cost $4,000–$7,500 for an initial assessment. Learn more about DPM monitoring costs.
Q: Can I use the results of general air quality monitoring instead of specific DPM assessment?
A: No. DPM requires specific sampling using NIOSH Method 5040 (elemental carbon analysis). General air quality monitoring won’t satisfy WEL compliance obligations. See the difference between DPM and air quality monitoring.
Q: What if my exposure assessment shows I’m exceeding the WEL?
A: You must implement control measures to reduce exposure below the WEL. This typically begins with engineering controls (ventilation, equipment upgrade, DPF installation) and work practice changes, followed by repeat assessment.
Q: Do I need health monitoring for all exposed workers?
A: Not necessarily. Health monitoring is typically recommended for workers with exposure above 50% of the WEL or with significant duration of exposure. Your occupational hygienist and occupational physician will advise.
Last updated: March 2026
Next review: December 2026 (following WEL implementation)
Anitech Group is a leading occupational hygiene consultancy in Australia. This checklist is provided as general guidance and does not replace professional assessment specific to your workplace.