• Looking Back: A Decade in Review

    As we begin a new decade, I thought I would look back at a few significant environmental events and trends from the twenty-tens. Updated Regulations and Standards The 'tens' saw the modernization of numerous environmental regulations in many Canadian jurisdictions, with a focus on environmental

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    2019 In Retrospective

    As another AESAC training course season ends, I would like to thank and acknowledge all the participants and contributors who ensure the continued success of AESAC's training courses.  In 2019, AESAC had close to a hundred attendees for our Phase One and Two Environmental Site Assessment (ESA)

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    The Rewards of Mentoring

    By Bill Leedham, P. Geo., CESA   This will be the 40th published Instructors Blog I have written for AESAC over the last five years, so I thought it would be fitting to revisit one of the first topics I wrote about. Way back in December of 2014, I wrote about the Value of Mentoring and its

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    In my last blog I wrote about ways to assist Environmental consultants and ESA practitioners in deriving and presenting better conclusions for Phase One ESA reports. This month I will discuss some methods for coming up with rational and defensible conclusions, especially on those ‘grey

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    Environmental consultants sometimes struggle with reporting their Phase One ESA findings and conclusions; especially for properties with limited available data, or where the identified environmental issues are deemed to be of low to moderate concern. My next few blogs are directed to ESA

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    Environmental 101 for Homeowners – Part 3

    By: Bill Leedham, P.Geo., CESA  In my last blog I discussed concerns related to asbestos, lead and Urea Formaldehyde Foam Insulation (UFFI) that you could find in a residential home. This month we’ll look at the issues and safety concerns related to mould, radon gas and Polychlorinated

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    Environmental 101 for Homeowners – Part 2

    In my last blog I discussed some of the environmental issues a homeowner should consider when purchasing a home, including potential off-site environmental impacts and concerns related to heating oil use and storage. Over the next few blogs I will address some of the hidden dangers that could be

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    Meet Our Intructor

    12 Feb 2019 | Blog | Eluzak
    Meet Our Intructor

    Bill Leedham, P. Geo. CESA, QP   Bill Leedham is the President and Senior Geoscientist of Down 2 Earth Environmental Services Inc., and is licensed with the Association of Professional Geoscientists of Ontario (APGO) as a Professional Geoscientist (P. Geo.).  Prior to establishing his own

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    Environmental 101 for Homeowners -part 1

    By Bill Leedham, P. Geo., CESA   As environmental consultants we rarely conduct Phase One Environmental Assessments (ESA) for residential dwellings. Generally speaking, ESA's are completed to assess environmental risk when purchasing commercial and industrial sites and larger multi-unit

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    Thanks for 25 Great Years

      By Bill Leedham, P.Geo, CESA   As I sit in my Calgary hotel room nearing the end of another training course, I can't help but think of all the wonderful people who help to make AESAC such a great organization. This blog is dedicated to all those people who have participated in our

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