Protecting Worker Health, Ensuring WHS Compliance

At Confluence Environmental, we provide expert occupational hygiene consulting across Sydney, the Central Coast, Newcastle, the Hunter Valley, and regional NSW. We help businesses identify, monitor, and control workplace health hazards, including respirable crystalline silica (RCS), asbestos, dust, noise, and hazardous chemicals.

Our independent, science-led approach ensures you meet your obligations under the NSW Work Health and Safety Regulation 2017, while safeguarding the wellbeing of your workers. Whether you're in construction, manufacturing, mining, local government, or health and aged care — our tailored services help you manage risk, avoid regulatory penalties, and maintain a safe, compliant work environment.

Our Occupational Hygiene Services

Silica Dust (RCS) Exposure Monitoring

• Personal exposure monitoring for workers

• NATA-accredited lab analysis (XRD or gravimetric)

• Task-based and full-shift exposure assessments

• Control recommendations and WHS reporting

Noise Exposure Assessment

• Occupational noise surveys (LAeq, peak, octave band)

• Comparison to exposure standards (85 dB(A), 140 dB(C))

• Hearing protection zone mapping

• Audiometric testing and health monitoring guidance

Dust & Particulate Monitoring

• Inhalable and respirable dust sampling

• Diesel particulate matter (DPM)

• Welding fume and metal particulates

• Control strategy and ventilation review

Asbestos & Hazardous Material Monitoring

• Asbestos air monitoring (control, background, clearance)

• Personal exposure assessment for asbestos workers

• Sampling of lead, PCBs, synthetic mineral fibres (SMFs)

• Post-remediation verification and compliance documentation

Indoor Air Quality (IAQ) Assessment

• Mould, CO2, VOCs, humidity, and temperature testing

• Office buildings, schools, healthcare, and hospitality venues

• Reporting in line with international IAQ standards

Chemical & Hazardous Substance Assessment

• Solvent, vapour, and airborne chemical monitoring

• Comparison to Workplace Exposure Standards (WES)

• SDS review, storage assessment, PPE and handling advice

Who We Work With

We support businesses of all sizes and industries, including:

• Construction & demolition contractors

• Civil infrastructure & tunnelling projects

• Stone benchtop manufacturers & installers

• Councils & government asset managers

• Warehousing, logistics, and manufacturing facilities

• Hospitals, aged care, schools, and universities

• Waste & recycling centres

Why Choose Confluence Environmental?

• Independent & Qualified – We are certified consultants, not affiliated with product or PPE suppliers

• Clear, Actionable Advice – No jargon, just practical risk control solutions

• WHS Compliant – Reports aligned with SafeWork NSW and national standards

• NATA-Accredited Testing – Reliable data and defensible evidence

• Fast Turnaround – Responsive service with clear, timely reports

Our Service Areas

We proudly deliver occupational hygiene consulting across:

• Greater Sydney (Parramatta, Penrith, Blacktown, Liverpool, Inner West, Northern Beaches)

• Central Coast (Gosford, Tuggerah, Wyong, Woy Woy, Toukley)

• Newcastle & Lake Macquarie

• Hunter Valley (Maitland, Cessnock, Singleton, Muswellbrook)

• Blue Mountains

• Mid North & South Coast NSW