Dust is invisible until it builds up. A worker breathing respirable dust for eight hours a day might not feel immediate effects—but over months and years, exposure accumulates in the lungs and causes permanent, irreversible disease. As an employer, the challenge is knowing whether your workers are breathing safe levels of dust, and how to monitor effectively to prevent occupational lung disease.
This guide covers everything Australian employers need to know about respirable dust monitoring: what respirable dust is, which types occur in your industry, how monitoring works, what exposure limits apply, when monitoring is legally required, and how to design a monitoring program that protects workers and keeps your organisation compliant.
What is Respirable Dust?
Respirable dust refers to fine dust particles small enough to be inhaled deep into the lungs’ alveolar region—the area where gas exchange occurs and where particles become trapped, causing long-term damage.
Particle Size Matters
Inhalable dust is any particle that enters the nose or mouth. It’s larger (up to 100 micrometres) and is typically filtered by the nose and throat.
Respirable dust is much finer: particles smaller than 10 micrometres in aerodynamic diameter (AED). These particles are so small they bypass the nose’s natural filtering and lodge in the alveoli—the tiny air sacs deep in the lungs where oxygen enters the bloodstream.
This size distinction is crucial: a grain of salt (200 micrometres) is enormous compared to a respirable dust particle. You can’t see respirable dust, you can’t feel it, and you can’t hear it. The only way to know if workers are breathing dangerous levels is through air monitoring.
Why Respirable Dust Damages Lungs
When respirable dust particles lodge in the alveoli, the body’s immune system attempts to remove them by sending inflammatory cells (macrophages) to engulf them. In the short term, this is protective. Over years of repeated exposure, however, the inflammation becomes chronic, triggering:
- Fibrosis (scarring) of lung tissue, reducing the lungs’ ability to expand and contract
- Progressive loss of lung function
- Persistent cough, breathlessness, and chest pain
- Susceptibility to infections (pneumonia, bronchitis)
- In some cases, lung cancer
Once this damage occurs, it’s permanent. There is no cure for occupational lung disease caused by respirable dust. Prevention through monitoring and control is the only effective strategy.
Types of Respirable Dust in Australian Workplaces
Not all respirable dust carries the same risk. The hazard depends on the dust’s composition and how the body reacts to it.
Respirable Crystalline Silica (RCS)
Respirable crystalline silica—primarily quartz, cristobalite, and tridymite—is the most hazardous dust type encountered in Australian workplaces. It causes silicosis, a progressive and incurable disease characterised by lung fibrosis.
Where it occurs: Construction (concrete cutting, drilling, grinding), mining, quarrying, sandblasting, foundries, and stone fabrication.
Current exposure standard: 0.05 mg/m³ (8-hour TWA). Australia’s WES is among the strictest globally, reflecting the severe hazard.
RCS requires its own detailed monitoring protocol and is often subject to more frequent monitoring than other dust types. For comprehensive guidance, see our RCS monitoring guide.
Coal Dust
Coal workers’ pneumoconiosis (CWP) is caused by chronic inhalation of respirable coal dust, typically in underground mining. Coal dust accumulates in the lungs, causing fibrosis and progressive breathlessness.
Where it occurs: Coal mining (underground and open-cut), coal handling, and coal-fired power stations.
Current exposure standard: 1.5 mg/m³ (respirable fraction, 8-hour TWA).
Monitoring coal dust is standard practice in Australian mining operations.
Wood Dust
Respirable wood dust (particles <10 micrometres from wood machining, sanding, and processing) causes occupational asthma, chronic obstructive pulmonary disease (COPD), and sensitisation.
Where it occurs: Timber mills, furniture manufacturing, joinery, and carpentry.
Current exposure standard: 1.5 mg/m³ (respirable fraction).
Some softwoods and hardwoods carry additional risks (e.g., hardwood dusts are linked to nasal cancer), so industry-specific exposure controls are particularly important.
Metal Dusts
Respirable dust from metal manufacturing and handling can contain hazardous metals:
- Lead dust (0.05 mg/m³ TWA) — Causes neurological damage, reproductive harm, and anaemia even at low exposures. Lead-contaminated dust is extremely hazardous.
- Cadmium dust (0.01 mg/m³ TWA) — Highly toxic; causes kidney damage and is a carcinogen.
- Cobalt dust (0.05 mg/m³ TWA) — Causes occupational asthma and hyperreactivity.
- Welding fumes — Contain multiple metals (iron, manganese, chromium); exposure causes metal fume fever and long-term neurological effects.
These metals occur in foundries, metal fabrication, welding, battery manufacturing, and smelting operations.
Nuisance/PNOC Dust (Particulates Not Otherwise Classified)
Some dusts don’t have severe acute toxicity but still accumulate in lungs over time, causing mechanical irritation and fibrosis. These are termed nuisance dust or PNOC (Particulates Not Otherwise Classified).
Exposure standard: 1.5 mg/m³ (respirable fraction).
Examples include flour dust, silica sand (when not crystalline), calcium carbonate, and talc.
Synthetic Mineral Fibres
Respirable fibres from synthetic insulation (fibreglass, mineral wool, rock wool) are inhaled and can trigger fibrosis and cancer at high chronic exposures. Mesothelioma risk is lower than with asbestos, but long-term exposure to high concentrations warrants monitoring.
Where it occurs: Insulation manufacturing, building renovation, and installation of mineral fibre products.
The Health Effects of Respirable Dust by Type
Understanding the disease outcomes specific to each dust type helps justify the monitoring investments your organisation makes.
Silicosis (RCS)
Silicosis is the classical occupational lung disease. It develops in stages:
- Simple silicosis — Small rounded opacities appear on chest X-ray, often without symptoms. Progressive breathlessness may develop.
- Complicated silicosis — Larger opacities form as fibrosis worsens. Severe dyspnoea (breathlessness), cough, and chest pain occur.
- Acute silicosis — Rare; develops rapidly (months to 2–3 years) after very high exposures. Presents with fever, cough, severe dyspnoea, and rapid progression to respiratory failure. Can be fatal.
Silicosis is incurable. Management focuses on palliative care: oxygen therapy, respiratory support, and management of secondary infections. A worker diagnosed with complicated silicosis at age 50 may face 15–25 years of progressive disability, expensive medical care, and early death.
Coal Workers’ Pneumoconiosis (CWP)
CWP follows a similar pattern to silicosis, with progressive fibrosis and breathlessness. It develops slowly over 15–20 years at average underground mining exposures but can be accelerated at higher concentrations. CWP significantly impacts life expectancy.
Occupational Asthma
Dust from wood, metals, flour, and other allergens can trigger occupational asthma—a condition where the airways narrow in response to workplace dust exposure. Symptoms include wheezing, cough, and breathlessness, typically worse at work and improving on weekends or holidays.
Occupational asthma can be reversible if exposure is eliminated early, but chronic exposure leads to fixed airway obstruction and permanent COPD.
COPD (Chronic Obstructive Pulmonary Disease)
Long-term exposure to respirable dust (regardless of type) increases COPD risk. COPD is characterised by reduced lung function, chronic cough, and progressive breathlessness. It’s disabling and shortens life expectancy.
Occupational Cancers
Certain dust types are carcinogenic:
- RCS is a Group 1 carcinogen (IARC), causing lung cancer.
- Hardwood dust is linked to nasal and sinonasal cancer.
- Cadmium dust is a carcinogen.
- Cobalt dust may be carcinogenic.
Latency can be 10–30 years, meaning a worker exposed in their 20s may develop cancer in their 50s or later.
The Bottom Line
Respirable dust diseases are progressive, irreversible, and often fatal. Prevention through effective monitoring and control is far more cost-effective and ethical than managing disease after it develops.
Australia’s Respirable Dust Exposure Limits
Australian exposure limits vary by dust type. All are expressed as mg/m³ (8-hour time-weighted average, unless otherwise noted).
| Dust Type | Exposure Standard | Notes |
|---|---|---|
| Respirable Crystalline Silica (RCS) | 0.05 mg/m³ | Most hazardous; strictest limit. Effective from Sept 2020. |
| Respirable dust (general) | 1.5 mg/m³ | Default limit for dusts not specifically listed. |
| Coal dust | 1.5 mg/m³ | Standard for coal mining. |
| Wood dust | 1.5 mg/m³ | Respirable fraction from wood processing. |
| Lead dust | 0.05 mg/m³ | Highly toxic; same as RCS. Includes inorganic lead. |
| Cadmium dust | 0.01 mg/m³ | Extremely hazardous; lowest limit for metal dusts. |
| Cobalt dust | 0.05 mg/m³ | Carcinogen/sensitiser. |
| Welding fumes (total) | 5 mg/m³ | Total fume mass; RCS component subject to 0.05 limit. |
| Asbestos | 0.1 fibres/mL | Measured as airborne fibres; carcinogenic at any exposure. |
Note: These are WorkSafe guidelines and Safe Work Australia standards. State regulators may have slight variations. Always check your state’s WHS regulations for current limits.
When Are Employers Required to Monitor?
The trigger for dust monitoring is reasonable grounds to believe workers may be exposed to respirable dust above the relevant exposure standard.
Legal Requirement Scenarios
You must conduct monitoring when:
- Uncertainty exists — You don’t have sufficient information to determine whether exposures are above or below the standard. Monitoring resolves this uncertainty.
- New processes or materials — You’ve introduced a new dust-generating activity and haven’t yet characterised the exposure.
- After control changes — You’ve implemented engineering or administrative controls and need to verify they’ve reduced exposure to acceptable levels.
- Following regulatory notice — A state WHS regulator has instructed you to conduct monitoring.
- Suspected overexposure — Workers report respiratory symptoms, or visible dust suggests high concentrations.
- Routine monitoring schedule — You’re operating a planned monitoring program to track exposure trends over time.
The “Reasonable Grounds” Test
This is the key legal standard. You don’t need proof of overexposure to justify monitoring—you need reasonable grounds to believe it might be occurring. Reasonable grounds include:
- Work involves cutting, grinding, drilling, or blasting materials known to generate respirable dust
- Similar operations at other sites have shown exposures above the standard
- Visible dust is present during the work
- Workers report cough, breathlessness, or other respiratory symptoms
- Absence of effective engineering controls (LEV, wet suppression, enclosure)
If any of these apply, monitoring is justified—and avoiding monitoring when these conditions exist could expose your organisation to enforcement action.
How Respirable Dust Monitoring Works: Step by Step
Understanding the monitoring process helps you work effectively with consulting hygienists and interpret results confidently.
The Personal Sampling Method (Gravimetric)
Personal air sampling is the gold standard for occupational dust monitoring in Australia.
Step 1: Planning and worker selection
Your hygienist identifies workers with highest potential dust exposure—typically those closest to dust sources, performing the most dust-generating tasks, or working longest in contaminated areas. A sampling strategy is developed: number of workers, sampling duration, and frequency.
Step 2: Equipment preparation
Each worker is fitted with a calibrated sampling pump (typically operating at 1.5–2.0 litres per minute). A length of tubing runs from the pump to a sampling head worn in the breathing zone (lapel area, approximately 10–30 cm from the nose and mouth).
Step 3: Cyclone and filter cassette
The sampling head contains a cyclone—a small device that spins incoming air rapidly. Particles larger than 10 micrometres spiral outward due to centrifugal force and are discarded. Only respirable-sized particles (<10 micrometres) pass through and are collected on a filter inside a cassette.
The cassette typically contains a PVC or mixed cellulose ester filter. For RCS analysis specifically, the filter type is critical (usually PTFE); for other dusts, PVC or MCE is standard.
Step 4: Worker monitoring during the shift
The pump runs continuously throughout the work shift (typically 7–8 hours). The worker continues normal duties, and dust is collected on the filter. A flow rate check is performed at the end of sampling to confirm the pump operated correctly throughout.
Step 5: Transport to laboratory
The cassette is sealed, labelled with worker name, date, job task, and site details, and transported to a NATA-accredited laboratory.
Step 6: Laboratory analysis
The laboratory weighs the filter before and after sampling to determine the mass of dust collected. Particle analysis (gravimetric method) measures total respirable dust mass.
For RCS specifically, the lab performs Fourier Transform Infrared (FTIR) spectroscopy to identify and quantify crystalline silica content.
Step 7: Results and TWA calculation
The laboratory calculates the concentration:
Concentration (mg/m³) = Mass of dust collected (mg) ÷ Total air volume sampled (m³)
Air volume is calculated as pump flow rate (L/min) × sampling duration (minutes) ÷ 1000.
The result is expressed as an 8-hour time-weighted average (TWA). For example: “Respirable dust concentration: 0.8 mg/m³ (8-hour TWA)”—below the 1.5 mg/m³ standard.
Area/Static Monitoring
Static monitors are placed in fixed locations (e.g., near a grinding station, at the edge of a dust cloud, in a general work area) and sample air over a defined period. Results show the general dust level in that zone.
Advantages:
– Identifies high-dust areas
– Screens to determine whether personal monitoring is needed
– Tracks whether engineering controls are working
– Lower cost per sample
Disadvantages:
– Doesn’t capture what individual workers actually breathe (one worker may work in a lower-dust zone within the same area)
– Can’t be used alone for compliance determination
– May miss high-exposure peaks if the monitor isn’t positioned in the exact breathing zone
Best practice: Use area monitoring as a screening tool, then validate with personal monitoring on workers in high-dust roles.
Real-Time Monitoring
Real-time instruments (e.g., laser photometers, direct-reading dust monitors) measure dust concentration continuously throughout a shift and display results immediately.
Advantages:
– Same-day results
– Identifies which specific tasks generate highest dust
– Useful for validating whether engineering controls are working
– Can guide immediate corrective action
Disadvantages:
– Measures mass concentration only; doesn’t specifically identify RCS or hazardous metal content
– May over- or under-estimate true RCS exposure (real-time monitors don’t distinguish crystalline silica from other dust)
– Less defensible in a legal or compensation context than gravimetric analysis
– Results not directly comparable to standards that specify particular dust types
Best practice: Use real-time monitoring for diagnostic purposes (identifying problem tasks, validating controls), then confirm with gravimetric analysis for compliance decisions.
Personal Monitoring vs Static Monitoring: When to Use Each
Both methods have a role in a comprehensive dust monitoring program.
Use personal monitoring when you need to know: What is this specific worker breathing?
Personal monitoring is mandatory for determining whether a worker’s exposure exceeds the occupational exposure standard. It’s required for compliance decisions, health monitoring programs, and regulatory investigations.
Use static monitoring when you need to know: What is the general dust level in this zone?
Static monitoring screens high-dust areas, validates whether engineering controls are reducing general contamination, and identifies locations for follow-up personal sampling.
Typical strategy: Begin with area monitoring to identify high-dust zones and activities, then conduct personal monitoring on workers in those identified high-risk roles. Re-assess annually or after process changes.
For a detailed comparison and selection guidance, see our personal vs static dust monitoring article.
Understanding Monitoring Reports: What the Numbers Mean
When your laboratory results arrive, you’ll see entries like:
“Worker: J. Smith | Task: Concrete grinding | Date: 15 March 2026 | Respirable dust: 0.72 mg/m³ | 8-hour TWA”
What this means:
– Worker J. Smith’s breathing zone was sampled over an 8-hour shift while grinding concrete
– The average dust concentration inhaled was 0.72 mg/m³
– The occupational standard is 1.5 mg/m³
– Exposure is compliant (below the standard)
However, exposure is still substantial—nearly half the standard. If this worker is sampled repeatedly and consistently approaches 1.0+ mg/m³, control improvements should be considered to provide a safety margin.
Confidence Intervals and Uncertainty
Good laboratory reports include a confidence interval. For example: “0.72 mg/m³ ± 0.08 mg/m³ (95% CI)”. This means the true concentration is likely between 0.64–0.80 mg/m³.
If a result of 0.75 mg/m³ includes a confidence interval that extends above the standard (e.g., 0.68–0.82 mg/m³), the compliance decision becomes ambiguous. In such cases, repeated sampling or improved engineering controls are warranted.
For detailed guidance on interpreting results, see how to read and interpret dust monitoring results.
What to Do When Results Exceed the Limit
If monitoring reveals exposure above the occupational standard, immediate action is required.
Step 1: Notify the worker
Workers have a legal right to know their exposure and whether it exceeds the standard. Provide clear information: “Your breathing zone exposure was measured at 1.8 mg/m³; the standard is 1.5 mg/m³. We’re implementing controls to reduce this.”
Step 2: Assess the control hierarchy
Review your controls:
– Can you eliminate the hazard (stop doing the work)?
– Can you substitute a safer material or method?
– Can you improve engineering controls (better LEV, wet suppression, enclosure)?
– Can you modify work practices (rotate workers, schedule high-dust work in off-peak hours)?
Start at the top of the hierarchy and work down.
Step 3: Implement interim measures
While longer-term controls are being designed and installed, implement temporary measures:
– Increase water suppression during cutting or grinding
– Rotate workers so no individual is exposed continuously
– Enhance ventilation (open doors and windows if safe to do so)
– Provide respiratory protection (fit-tested P2 or P3 masks) as a temporary measure
Step 4: Re-monitor to verify improvements
Within 2–4 weeks of implementing controls, conduct follow-up sampling. This demonstrates whether controls are effective and supports your documented effort to protect health.
Step 5: Document everything
Record:
– The initial exceedance (date, worker, exposure level)
– Actions taken (control improvements implemented)
– Dates of re-monitoring and results
– Any medical assessments or health monitoring initiated
This documentation protects your organisation and demonstrates good faith compliance efforts if a worker later develops occupational disease.
For more detailed action steps, see what to do when silica exposure exceeds the limit.
Record-Keeping Obligations
Australian workplace health and safety regulations require retention of monitoring records, but the duration varies by dust type.
RCS Monitoring Records: 30 Years
Because silicosis has a long latency (can develop 10–40 years after exposure), RCS monitoring records must be retained for 30 years from the date of sampling. This is a long commitment, but it’s legally required and essential if a worker later files a compensation claim.
Other Dust Types: 5 Years Minimum
For dust types other than RCS (coal, wood, metals, PNOC), records should be retained for at least 5 years. However, best practice is to keep them longer (7–10 years) to align with potential workers’ compensation claim timelines.
What Records to Keep
- Sampling date, worker name, job task, and exposure level
- Method used (personal, area, real-time)
- Laboratory report including analysis method and confidence intervals
- Any control improvements implemented and re-monitoring results
- Health monitoring results (if applicable)
- Worker notification records (evidence you informed the worker of results)
Storage format: Paper files are acceptable, but digital storage with backup (cloud, external hard drive) is safer and easier to retrieve if needed.
Designing a Dust Monitoring Program: A Strategic Approach
Rather than ad-hoc monitoring, develop a planned monitoring program that systematically assesses and tracks exposure.
Step 1: Identify Dust-Generating Activities
List all tasks that generate respirable dust:
– Concrete cutting, grinding, drilling
– Stone fabrication or demolition
– Welding
– Wood machining or sanding
– Mining or quarrying operations
– Metal fabrication or grinding
Step 2: Determine Initial Monitoring Scope
For each activity, estimate exposure:
– High risk (visible dust, no controls, similar tasks elsewhere show high exposures) → Prioritise personal sampling
– Moderate risk (some engineering controls, uncertain exposure) → Conduct area monitoring first, then targeted personal sampling
– Low risk (good controls, minimal dust visible) → Document controls and monitor annually as verification
Step 3: Establish Baseline
Conduct initial personal sampling on at least 2–3 workers per high-risk activity. This establishes baseline exposure levels and identifies whether the standard is being met.
Step 4: Determine Monitoring Frequency
Based on baseline results:
– Below 0.25 × standard: Annual monitoring adequate
– 0.25–0.5 × standard: 6-monthly monitoring recommended
– 0.5–1.0 × standard: Quarterly or more frequent monitoring; consider control improvements
– Above standard: Immediate control implementation and re-monitoring within weeks
Step 5: Document and Track
Maintain a monitoring log:
| Date | Worker | Task | Dust Type | Result (mg/m³) | Standard | Status | Next Action |
|—|—|—|—|—|—|—|—|
| 15/03/26 | J. Smith | Concrete grinding | RCS | 0.08 | 0.05 | Exceeds | Implement LEV; resample 01/04 |
| 15/03/26 | M. Jones | Concrete grinding | RCS | 0.06 | 0.05 | Exceeds | Implement LEV; resample 01/04 |
Step 6: Communicate Results to Workers
Inform workers of their exposure levels and any actions being taken. This builds trust and encourages workers to report symptoms early if they develop.
Step 7: Integrate with Health Monitoring
For RCS and other hazardous dusts, link air monitoring to health monitoring (lung function testing, chest X-rays). This provides an additional safety net—if air monitoring is missed or controls fail, health monitoring can detect early disease.
FAQ: Respirable Dust Monitoring in Australian Workplaces
Q: My site has good dust collection. Do I still need to monitor?
Yes. Engineering controls reduce exposure, but you must verify by monitoring that they’re actually effective. Visible dust reduction doesn’t equal measurable compliance. Monitor to confirm.
Q: How much does dust monitoring cost?
Personal air sampling typically costs $150–$400 per sample (pump hire, filter analysis, reporting). A typical monitoring campaign sampling 5–10 workers might cost $1,500–$4,000. This is a relatively small investment compared to medical costs and compensation claims from occupational lung disease. See our silica monitoring cost guide for more detail.
Q: Can I monitor myself, or must I hire a consultant?
Sampling can be done by trained personnel, but analysis and interpretation require expertise. A qualified occupational hygienist (preferably AIOH member) ensures your sampling is technically sound, results are defensible, and control recommendations address root causes. The professional fee is worthwhile.
Q: What if I can’t eliminate the dust hazard?
Work through the control hierarchy: substitution (safer materials), engineering (LEV, wet suppression, enclosure), and administrative (worker rotation). If these don’t reduce exposure below the standard, respiratory protection is the fallback—but only after higher controls are exhausted.
Q: How long do I have to keep monitoring records?
30 years for RCS (due to silicosis latency), at least 5 years for other dusts. Consider keeping all records 7–10 years as a safety margin.
Q: What’s the difference between respirable and inhalable dust?
Inhalable dust is larger and typically caught by the nose. Respirable dust is fine (<10 micrometres) and penetrates to the lungs’ alveoli where it causes damage. Occupational exposure standards distinguish between them; make sure your monitoring measures the right fraction.
Q: Can real-time monitors replace laboratory analysis?
Real-time monitors are useful for identifying high-exposure tasks and validating that controls work, but they don’t specifically measure dust composition (e.g., RCS content). Use them for diagnosis; confirm with gravimetric analysis for compliance decisions.
Q: My results show 0.05 mg/m³ RCS—is the worker safe?
At 0.05 mg/m³, you’re meeting the standard, so the exposure is compliant. However, no RCS exposure is entirely “safe”—even below-standard exposures carry some silicosis risk. Continue efforts to reduce exposure further and implement health monitoring (lung function tests, chest X-rays) for workers with significant cumulative exposure.
Q: What triggers the requirement for health monitoring?
Health monitoring (lung function tests, chest X-rays) is recommended for workers with significant RCS exposure (typically those with exposures >0.05 mg/m³ repeatedly, or lengthy cumulative exposure at lower levels). From December 2026, health monitoring will likely be mandatory for workers exceeding certain thresholds. Consult your hygienist about whether your workers qualify.
Q: Do I need separate monitoring for different dust types at my site?
If your site involves both RCS and non-RCS dusts (e.g., both concrete and timber work), separate sampling may be needed because exposure standards differ and analytical methods vary. Discuss with your hygienist how to design an efficient monitoring strategy.
Q: How do I know if a lab is accredited?
Check the lab’s NATA accreditation (National Association of Testing Authorities). NATA-accredited labs are listed on the NATA website. Accreditation ensures calibrated equipment, validated methods, and quality assurance.
Getting Started: Develop Your Dust Monitoring Program
If you’re uncertain whether your workplace requires monitoring, or if you’ve monitored previously but want to design a more strategic ongoing program, Anitech Group can help.
Our occupational hygienists will:
- Walk through your workplace and identify all dust-generating activities
- Assess exposure risk for each task
- Determine whether monitoring is required and at what frequency
- Design a sampling strategy tailored to your operations
- Conduct personal air sampling or partner with NATA-accredited laboratories
- Interpret results and recommend control improvements
- Develop a monitoring schedule and documentation system for ongoing compliance
Your next step: Contact Anitech Group for a confidential consultation. We’ll help you understand your dust exposure risks, implement effective monitoring, and develop controls that protect workers’ health while keeping your organisation compliant.
Respirable dust diseases are preventable. With the right monitoring program and controls in place, you can build a workplace where workers remain free from occupational lung disease throughout their careers.
Related Reading
- Respirable crystalline silica monitoring — Comprehensive RCS guide (companion pillar)
- Personal vs static dust monitoring — When to use each method
- Interpreting dust monitoring results — How to read and act on reports
- Dust risk assessment for workplaces — Designing a risk assessment
- Who must conduct silica monitoring — Legal obligations clarified
- What to do when exposure exceeds limits — Immediate action steps
- Industries at highest risk — Sector-specific guidance
- Silica dust monitoring for small business — Tailored for SMEs
- Dust monitoring costs — Budget planning
- Silicosis: Employer’s guide — Health effects and management
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FEATURE: 1200x630px. Professional photograph showing a worker wearing personal air sampling equipment (pump on belt, sampling cyclone at lapel level) during a typical dust-generating task (concrete cutting or grinding). Colour palette: safety orange, greys, and earth tones. Text overlay: “Respirable Dust Monitoring | Protect Your Workers”
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BODY_1: 800x450px. Infographic showing respirable vs inhalable dust particle sizes in comparative scale. Concept: “Respirable Dust: Too Small to See, Too Hazardous to Ignore.” Placement: after “What is Respirable Dust?” heading.
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BODY_2: 800x450px. Visual guide showing step-by-step personal dust sampling process: (1) pump and cassette setup, (2) cyclone separation of particles, (3) filter collection, (4) lab analysis, (5) results. Concept: “How Dust Monitoring Works.” Placement: after “The Personal Sampling Method (Gravimetric)” heading.
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BODY_3: 800x450px. Exposure limit reference table displayed visually (chart or infographic format) showing different dust types (RCS, coal, wood, metals) with their respective exposure standards in colour-coded format. Concept: “Australian Respirable Dust Exposure Limits.” Placement: after “Australia’s Respirable Dust Exposure Limits” heading.
