Jason Clay is a Senior Principal in Senversa’s Sydney and Perth offices, specialising in the risk-based assessment and remediation of contaminated soil and groundwater. Jason’s career began more than 25 years ago Jason’s career began investigating and remediating gas works in the UK and since then he has gained significant experience in heavy metals, chlorinated solvents, hydrocarbons and PFAS.

Jason is a state accredited Contaminated Site Auditor in NSW and WA and is a Certified Environmental Practitioner and Site Contamination Specialist (CEnvP SC) and a UK Specialist in Land Condition (SiLC). He is a registered principal environmental auditor (EARA) and has undertaken and managed single and multi-site, acquisition, divestment due diligence and regulatory compliance audits on facilities of all kinds all over the world.

Jason has been an accredited Contaminated Site Auditor since 2006 and since that time has completed more than 100 successful site audits. Audits have included major infrastructure projects such as metropolitan rail links and stadiums, off-shore oil and gas facilities, service stations, asbestos impacts, tailings dams, major manufacturing sites, landfills and airports/bases.

Jason frequently acts as expert witness and has done so in the UK, New Zealand and on behalf of Roads and Maritime Services and the Department of Planning and Environment on separate matters in NSW Land and Environmental Court. Jason was a successful expert on behalf of Lawrence Dry Cleaners in the first ever action against a NSW EPA Management Order in Land and Environment Court under the Contaminated Land Management Act 1997 in 2010.

When not ‘sticking dirt in jars’ and enjoying family life Jason pursues interests in 19th century Russian literature, Belgian flute music and naval history.