Monday, 6 December 2021

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Environmental Geochemistry International (EGi)

Environmental Geochemistry International (EGi)

Environmental Geochemistry International (EGi) is a leading and innovative consulting company with over 30 years experience in providing specialist advice on acid rock drainage (ARD or acid and metalliferous drainage - AMD) prediction and control, mine waste geochemistry and mine water hydrogeochemistry. We have pioneered the development of many of the geochemical assessment techniques routinely used today, significantly improving the understanding of ARD and the ability to predict the geochemical behaviour of mine materials. EGi offers an integrated service in ARD and mine geochemistry at pre-feasibility, feasibility, operational, decommissioning and post-closure phases of projects.

EGi was established in 1983 and has worked at more than 370 mining projects world wide, across a range of commodities and environmental settings. Our clients include multi-commodity multinational mining companies, one-mine operators, regulatory agencies, and other consultants.

EGi is committed to improving the knowledge of acid drainage issues and furthering the development of management strategies for mitigating impacts on the environment. The company’s extensive practical experience with the challenges associated with operational mines, closure of active and dismissed sites, and geochemical prediction, as well as ongoing involvement in ARD research ensures it remains at the forefront of geochemical mine waste assessment and management.

Key Services

• Mine geochemical assessment for ARD, metals, salinity etc.

• Advice on management of sulphidic and other problematic mine materials.

• Preparation and implementation of geochemical sampling and testing programmes.

• Specialist geochemical testing in our in-house laboratory.

• ARD risk assessment, site auditing and review, training and workshops.

• Modelling of mine site environmental chemistry to predict water quality.

• Advice on performance monitoring.

• Geochemical block modelling.

Our expert team of geochemists and water chemists has over 130 years of cumulative experience in all aspects of mine geochemistry. The senior staff members are Dr Warwick Stewart, Managing Director; Dr Stuart Miller, Chief Advisor; Dr John Jeffery, Principal Geochemist; Dr Marilena Stimpfl, Principal Geochemist; and Ai Binh Tran, Consultant.

Address: 81A College Street, Balmain, New South Wales, 2041, Australia

Phone: Sydney +61 2 9810 8100; Perth +61 8 6102 4767

Email: [email protected]

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