Occupational Hygiene Consulting - Sydney

Workplace Health Protection & WHS Compliance You Can Rely On

At Confluence Environmental, we deliver specialist occupational hygiene consulting services throughout Greater Sydney and the Blue Mountains, supporting businesses in identifying, assessing, and controlling health hazards in the workplace. From silica dust and asbestos to chemical vapours, noise exposure, and indoor air quality, we provide science-driven solutions that meet SafeWork NSW and national WHS requirements.

Our independent, practical approach ensures your workers are protected and your business remains compliant. Whether you're operating in construction, manufacturing, civil infrastructure, government, or healthcare, we help you proactively manage risks, reduce liability, and maintain a safe, legally sound work environment.

Our Occupational Hygiene Services

Respirable Crystalline Silica (RCS) Monitoring

• Worker exposure assessments using personal sampling

• Lab analysis via NATA-accredited XRD or gravimetric methods

• Task-specific or full-shift monitoring for dust-generating activities

• Practical control advice and compliant reporting

Noise Exposure Surveys

• Measurement of workplace noise (LAeq, LCpeak, octave bands)

• Comparison with Safe Work Australia standards (85 dB(A), 140 dB(C))

• Hearing protection zone definition and control planning

• Audiometric testing and monitoring program advice

Dust & Particulate Exposure Monitoring

• Inhalable and respirable dust (e.g. concrete, silica, wood dust)

• Diesel exhaust particulates (DPM)

• Welding fumes and airborne metals

• Review of ventilation and dust extraction controls

Asbestos & Hazardous Materials Air Monitoring

• Airborne fibre monitoring (background, control, clearance)

• Personal exposure testing for asbestos workers

• Sampling for lead, SMFs, PCBs, and other hazardous materials

• Post-remediation clearance and reporting

Indoor Air Quality (IAQ) Testing

• Assessment of mould, VOCs, CO2, humidity, and air flow

• Suitable for offices, schools, healthcare, and public buildings

• IAQ assessments aligned with global best-practice standards

Chemical & Hazardous Substance Exposure

• Monitoring for vapours, solvents, and airborne contaminants

• Review of Workplace Exposure Standards (WES)

• Hazardous chemical storage, PPE, and handling advice

Who We Help in Sydney & the Blue Mountains

We support a wide range of sectors including:

• Building and demolition contractors

• Civil and tunnelling projects (WestConnex, Metro, etc.)

• Engineered stone and masonry manufacturers

• Councils and government facility managers

• Warehouses, logistics depots, and factories

• Hospitals, aged care centres, and schools

• Waste processing and material recovery facilities

Why Partner With Confluence Environmental?

• Independent Consultants – We're not linked to PPE or product suppliers

• WHS-Focused Reporting – Documents that align with SafeWork NSW and ISO standards

• Actionable Solutions – Risk control advice you can apply immediately

• Accredited Testing – All sampling conducted with NATA-accredited labs

• Local Experience – We understand the unique demands of Sydney & the Blue Mountains

Local Areas We Service

We proudly deliver occupational hygiene services across:

• Greater Sydney: Parramatta, Penrith, Liverpool, Blacktown, Inner West, Northern Beaches, Hills District

• Blue Mountains: Katoomba, Springwood, Blaxland, Lawson, Lithgow, and surrounds