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BOMA Nova Scotia E-News - November 21, 2025
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BOMA Member Spotlight – ALL-TECH
Radon Risk Assessment and Mitigation
Author and affiliation: Tadeusz Splawinski, Ph.D. Env. Sci.
Senior Environmental Consultant and Research Scientist
ALL-TECH Environmental Services Limited
162 Trider Crescent, Dartmouth, NS, B3B 1R6
Abstract: Radon is an invisible, odorless radioactive gas produced by the natural decay of uranium in soil and rock. While harmless outdoors, it can accumulate indoors to harmful levels, especially in basements and poorly ventilated areas. While all homes contain some radon, concentrations vary based on local geology, building design, and ventilation.
Radon exposure is the leading cause of lung cancer among non-smokers, responsible for approximately 16% of cases and over 3,000 deaths annually in Canada. Health Canada’s guideline is 200 Bq/m³. Because indoor levels vary widely, testing is the only reliable way to determine risk. Health Canada recommends long-term testing of at least 91 days during the heating season. Testing can be done using do-it-yourself kits or through certified professionals under the Canadian National Radon Proficiency Program (C-NRPP).
If levels exceed the guideline, mitigation is recommended. The most effective method is active soil depressurisation (ASD), which vents radon from beneath a building’s foundation. Our C-NRPP certified professionals at ALL-TECH Environmental Services Limited will ensure proper system design and installation, and post-installation sampling/verification.
Radon risk assessments also will contribute to your BOMA BEST environmental certification for buildings, offering up to three points in the Indoor Air Quality and Hazards category. Testing and mitigation protect occupant health and support safer, more sustainable building operations.
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Please see the link below for more information about Radon Risk Assessment and BOMA BEST:
We would like to extend a heartfelt congratulations to Melanie Bond of ALL-TECH Environmental Services, who was recently accepted as BOMA Nova Scotia’s representative on the Technical Safety Advisory Board (TSAB) of Nova Scotia.
Congratulations, Melanie, and thank you for all you do!
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Free Webinar: Deep Building Retrofits - Building the Business Case 101
Hosted by HCi3 in partnership with Building to Zero Exchange, this webinar is part of the Atlantic Canada Deep Retrofit Accelerator led by ReCover Initiative. Moderated by Rochelle Owen with special guest panelists.
When: Wednesday December 10th, 10:00 AM - 12:00 PM AST
Join us for an interactive webinar covering the following topics:
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Common elements in a business case.
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Deep retrofit business case concepts - value, benefits, risks, options analysis, financial assessment.
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Outlining value - words, visuals, and numbers.
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Who’s who in creating, presenting, and receiving the business case.
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Discussion and feedback on resources to help you with your projects.
Learning Objectives
Increase your knowledge of:
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Decision makers and management teams
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How to effectively outline context and value
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Options analysis method
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Risk and financial assessment
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Why Attend?
Grow your strategy for deep retrofit funding and financing by building a strong business case through in-depth content, case studies, discussion and panel discussion.
Who Should Attend?
Building owners, building professionals, NGOs and nonprofits who work in the energy efficiency field, municipal and public sector employees, and anyone undertaking deep energy retrofits.
About the Presenter
Rochelle Owen has worked in the environment and sustainability field for 35 years in government, non-profit and academic sectors. Her roles in advisory, community engagement and leadership positions have provided her with insight into governance, funding, and project development in the areas of green building and climate action. Rochelle has been involved in funding and financing of over 60 energy and climate projects in the built infrastructure. The marriage of that experience and the broad technical expertise stemming from her academic background and ongoing professional development makes Rochelle a thorough and agile sustainability specialist.
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