Contaminated Land
JBS&G is an industry leader in dealing with all facets of Contaminated Land.
Groundwater Remediation
Experts in 'immediate response' groundwater remediation measures.
Environmental Impact Assessment
JBS&G specialises in environmental, social and economic impact assessments for local, state or natio...
Auditing and Compliance
Accredited in-house auditors covering all applicable state and territory auditor schemes.
Hygiene and Hazardous Materials
If you do a job, do it properly.
Due Diligence and Liability
Rapid response with pragmatic, commercial, expert advice tailored to address the level of risk and y...
Provides strategic advisory services to organisations delivering projects in sensitive social and environmental contexts.


Sim Ooi

Dr Sim Ooi is a toxicologist with 30 years of experience and over 15 years of that in managing and assessing health and environmental risks associated with chemical exposures at workplace, contaminated sites and industrial facilities for public and private sector clients in Australia, New Zealand and Southeast Asia.

Sim is a risk specialist with extensive experience in health and environmental risk assessment, the application of risk-based approaches to assessment and the management of contaminated lands and waters, chemical toxicity assessment, chemical fate and transport modelling (involving all media: soil, water and air), vapour intrusion risk assessment, risk management, regulatory compliance and project management.

Areas of Expertise