About AusCOH
“Science-based solutions for healthier workplaces”
At AusCOH, our mission is simple: help Australian businesses create safer, healthier workplaces, because every worker deserves to go home healthy.
We specialise in practical, science-based occupational hygiene consulting for small businesses, mining and construction contractors, government departments, and organisations across a wide range of industries.
We don’t just identify hazards; we help you understand them and control them with clear, tailored advice that works in the real world.
Meet the Team - David Jowett
Director & Certified Occupational Hygienist (COH)®
MAIOH, RESP-FIT Accredited Fit Tester, Licensed Asbestos Assessor
Hi, I’m David Jowett, the founder of AusCOH. With over 15 years of hands-on experience in occupational hygiene, I’m passionate about protecting worker health through practical, evidence-based solutions.
I hold a Graduate Diploma of Occupational Hygiene and a Bachelor of Science (Biomedical Science) from Deakin University. As a Certified Occupational Hygienist (COH)® and Full Member of the Australian Institute of Occupational Hygienists (MAIOH), I’m committed to the highest professional standards.
My expertise spans a broad range of hazards and industries from mining and heavy manufacturing to healthcare, construction, and government.
Real-world experience
Here’s a sample of the projects I’ve delivered:
✅ Managing Holcim’s Victorian Occupational Hygiene Monitoring Program, overseeing quarterly RCS and noise monitoring with quality assurance.
✅ Noise assessments for Qantas across their national operations, including heavy base maintenance, ground services, and catering.
✅ Sewer headspace testing for Melbourne Water, including real-time confined space risk assessments.
✅ Internal HSSE Management Plan audits, reviewing contractor hazardous substance use and SDS compliance.
These projects reflect my commitment to delivering practical, tailored solutions that help businesses not only comply with WHS regulations but also genuinely protect their people.
Why work with AusCOH?
Personal, friendly service: no cookie-cutter solutions. Just clear, practical advice tailored to your needs.
Deep technical expertise with real-world experience.
Easy-to-understand reports with actionable recommendations.
Support for compliance with WHS legislation and codes of practice.
Flexible service for small businesses through to large contractors and government departments.
Testimonial
“I recommend David as an Occupational Hygienist. David’s expertise and pragmatic approach in the field of occupational hygiene is impressive. It’s a pleasure to endorse David’s professionalism and dedication to his field of work.”
Contact us
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