May Technical Seminar for Members - breakfast event

Former Silverwater Landfill - A Legacy Issue.

This Legacy site has it all: explosive levels of landfill gas, PFAS in groundwater, a declared and regulated Site, over 50 landfill gas monitoring rounds, an extraction system and flare, a decade worth of active LTEMP experience, an 18 year long Auditor engagement, a contingency measure that actually had to be implemented and easily > 250 technical consultancy and auditor reports/letters.

Come along and listen and learn from our respected speakers who, combined, have almost 40 years of experience on this Site.

Member host company: Arcadis


Rod Harwood (Harwood Environmental Consultants)

Rod is a hydrogeologist with over 50 years experience in both water resource hydrogeology (first 16 years and continuing) and 35 years in contaminated sites. Rod was the Founding Principal of Groundwater Technology in 1987 and embarked on an insitu remediation career in Australia as a global leader. Rod has worked mostly all over the world in Australia ,N Z, Asia, Africa and Europe. Most interesting projects were a gold mine in Mauritania, oil lake restoration in Kuwait after the Iraq war and DNAPL recovery at an existing Bulk OIl facility in Port Botany and the bioremediation of 7,500m3 of coal tar at Mortlake gasworks site. He has worked at a Principal Level in his own companies and at ERM, WSP and Arcadis and is the NSW EPA Accredited Auditor for the Silverwater site.

Loek Munnichs ((EP Risk Management)

Loek started his career in 1998 and is a highly skilled and experienced contaminated land expert with a track record of managing complex sites in both the Netherlands and Australia. Specifically, Loek was the project manager for Environmental Earth Sciences from 2009 to 2011, during which time he completed the detailed site investigation, landfill gas risk assessment, and the conceptual site model for the Silverwater Landfill. Since 2015, Loek has been assisting Rod with the LTEMP compliance Audit for the Site.

James Barwood (New Soil)

James is the General Manager of New Soil, EESI Group's NSW EPA licensed bioremediation facility. New Soil undertakes bioremediation of hydrocarbon contaminated soils primarily at its Cootamundra facility, however offers mobile on site solutions, if suitable. James is an environmental Engineer with over 15 years experience, both in Australia and UK, in the assessment and remediation of contaminated sites. Key remediation projects have included the remediation of a site with 1-2m of LNAPL in a confined aquifer, and the remediation design and remediation of large gasworks sites. James acts as Project Director for the Silverwater Landfill environmental management project.


Breakfast and tea and coffee will be available from 8.00 - 8.30 and the seminar will run from 8.30 - 9.30. After registering, please email if you have any specific dietary requirements.

This is being run as a hybrid event and members on the ACLCA NSW email distribution list will receive the link to register to attend via the Eventbrite website, and also the webinar link by email.

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