Geotechnical Society of Edmonton

NEWS 2006

Posted February 10, 2006

Event February 14, 2006

Thermal Desorption Remediation in Relation to LandfilI Disposal at Isolated Sites in Northern Alberta

Greg Walker (ATCO) Darryl Nelson (Nelson Environmental Remediation Ltd), and Brian MacKinnon, (Thurber Engineering Ltd.)

This paper is divided into two parts. The first part deals with an overview of using Thermal Desorption (TD) for remediating two ATCO Electric Ltd. ATCO) sites in the Steen River area located in Northern Alberta (total 29,000 tonnes of diesel-contaminated soil) in relation to conventional landfill disposal or Dig and Dump (DD). The second part deals with the integral role of using TD in a staged remediation for 46,000 tonnes of diesel-contaminated soil at Fox Lake, Alberta. Fox Lake is a remote northern community only accessible by winter road and ice bridge located approximately 150 km east of High Level.

About the speakers:

Greg Walker, P.Eng.: Mr. Greg Walker has worked for ATCO Electric for 26 years. He has held senior positions within ATCO Electric in industrial sales, engineering resources, metering and isolated operations. Currently, he is the Edmonton-based manager of ATCO Electric's isolated generation remediation project responsible for the remediation of 79 diesel-contaminated sites in Alberta and B.C.

Darryl Nelson: Darryl Nelson was born and raised in Vermilion, Alberta. The family has been active in earthmoving and agriculture since the 1960's. John Nelson Construction Ltd. provided a range of earthmoving services for the oil industry, government road building, Ducks Unlimited, Alberta Environment, etc. In 1994 Nelson Environmental Remediation Ltd. commenced operations of a thermal desorption unit for remediation of hydrocarbon-contaminated soil. Darryl Nelson is President of Nelson Environmental Remediation Ltd.

Brian MacKinnon, P.Geol.: Mr. Brian MacKinnon is a senior geologist with 23 years of oil and gas and environmental consulting industry experience. His areas of expertise include soil and groundwater contamination assessments and investigations, site remediation evaluation, design and implementation. Mr. MacKinnon is an Associate and Thurber's Senior Environmental Geologist in the Edmonton office.

Location: Royal Glenora Club (11160 River Valley Road)
Time: Registration 11:45 p.m., Lunch Starts at 12:00 p.m.
Date: Tuesday, February 14, 2006
Cost: Students: $10, GSE Members: $15, Non-members: $20 Space limited. Please confirm attendance by noon, Monday February 13
by emailing


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