To monitor, analyse, and provide information on air quality and develop strategies to manage air quality issues within the Calgary Regional Airshed Zone.


To have air quality that is not harmful to human health or the environment.


The Calgary Region Airshed Zone (CRAZ) encompasses an area that approximately follows the boundaries of the Calgary Health Region except for the northern border which is defined by the southern border of the Parkland Airshed Management Zone (PAMZ).

The current proposed airshed boundaries include the cities of Calgary and Airdrie; the Municipal Districts of Rocky View, Bighorn and Foothills; Willow Creek, Vulcan and Wheatland Counties; the Improvement Districts of Kananaskis and Banff; and the Town of Canmore. The Siksika, Eden Valley, Tsuu T’ina, and Stoney First Nations are also located within the CRAZ area.

Board Members

David Lawlor, CRAZ Chair

Public Member 

David Lawlor is a renewable energy developer and currently Chair of the Calgary Region Airshed Zone. David also sits on the Board of Directors of the Clean Air Strategic Alliance (CASA).  He is past Chair of the Canadian Electricity Associations – Sustainable Electricity Program Advisory Committee and the Calgary Chamber of Commerce Environment Committee, and past Vice President of the Industry Caucus of CASA.

David Lawlor

Shane Adam, CRAZ Vice Chair

Manager, Environment, ENMAX Energy Corporation

Mr. Shane Adam has over 20 years of experience in environment, health and safety management including ISO implementation and certification, ambient air quality monitoring, source emission monitoring and regulatory compliance.

Mr. Adam provides management and oversight of Environmental programs, ensuring compliance with EHS legislation and regulations.   He provides environment technical and regulatory support to achieve and maintain compliance and works closely with Operations to identify and address environment aspects for Generation and Thermal Energy facilities.

Shane Adam

CRAZ Treasurer

Toofan Ostovar


Toofan is a Senior HSE Specialist and Lead Auditor at Graymont, with a Bachelor of Applied Science in Chemical and Biological Engineering from UBC. He began his journey at Graymont as an Environmental intern and has since grown into a Health, Safety, and Environmental Specialist and Lead Auditor.

Toofan’s expertise lies in Environmental Management Systems, Regulatory Approvals and Permits, Environmental Reporting, Health and Safety Programs, and HSE Auditing. He is passionate about safeguarding the environment and ensuring the well-being of employees.

Emily Traxel, Air and Watershed Resource Manager

Alberta Environment and Protected Areas

Emily is the Air and Watershed Resource Manager for the South Saskatchewan Region with Alberta Environment and Protected Areas. She currently manages a team of subject matter experts that play an active role in managing air and water quality issues in Southern Alberta.


Emily has a BSc and MSc in Earth and Environmental Science from the University of Waterloo. She has lived in Alberta since 2014 and has been with Alberta Environment and Protected Areas since 2017. Emily has been involved with CRAZ since 2017 and enjoys working with stakeholders at the CRAZ table to support air quality management in Southern Alberta.

Jen Silverthorn, Environmental Management Lead

City of Calgary

Jen is the Environmental Assurance & Reporting lead with the City of Calgary.   She currently manages a team focused on community and corporate environmental sustainability, auditing and reporting.   She joined the CRAZ Board as the City of Calgary rep in April of 2019.    The City of Calgary was a founding member of CRAZ in 2007 and has been involved on the board and various committees since the establishment of the organization.

Her previous work revolves around improving the environmental performance of organizations, projects and strategic plans based on research and assessment. She has also designed and audited environmental & safety management systems compliant with ISO standards and regulatory compliance requirements.

Her specialties include sustainable procurement, sustainability & EHS risk assessment, EHS auditing & compliance, EHS management systems, and project management.

Other knowledge areas include sustainable infrastructure, leadership, business continuity, and emergency preparedness and response planning.

Lynn Que, Senior Advisor, Safe Air Program

Alberta Health Services

Lynn Que is working as a Senior Advisor for Safe Air Program at Alberta Health Services. Her primary role is addressing environmental health concerns in outdoor air quality related situations (e.g. wildfire smoke, accidental releases, industrial emission, traffic related air pollution, wood burning smoke, etc.). Representing Alberta Health Services, Lynn is currently participating in various multi-stakeholder organizations, such as Calgary Regional Airshed Zone (CRAZ), Clean Air Strategic Alliance (CASA) – Ambient Air Objectives Working Group.

Lynn Que came to Alberta in 2008 and fell in love with Alberta’s natural environment soon. She has lived in Calgary since 2010. Believing in that any small changes we make will lead to big differences, either in our life or in others’, Lynn enjoys her involvements in CRAZ as she knows what CRAZ is doing promotes healthy air quality for people living in Calgary and surrounding areas.

Lynn Que

Krista Meneghetti


A senior environment and sustainability manager with extensive experience working in both industry and consulting. Her current focus includes the development, implementation and execution of ES&G strategies, ensuring corporations operate sustainably across their organization and remain compliant with environmental legislation and regulations.

Between 2003 and 2014 Krista worked as an environmental consultant specializing in environmental site investigations and remediation projects. Having worked on “both sides of the table” Krista has gained a valuable perspective on the inter-relationship between business and technical objectives on environmental and sustainability projects, as well as environmental liabilities and concerns.

Krista graduated from the Environmental Protection Program at Kwantlen Polytechnic University as an Applied Science Technologist (A Sc.T).

Darcy Coombs

Bow Valley Clean Air Society 

Darcy Coombs is retired after a career in Oil & Gas Production Operations for several Canadian companies. Born and raised in Calgary, Darcy earned a Bachelor of Commerce / Management Information Systems from the University of Calgary. He has varied experience in Oil & Gas economics, Production Optimization, Performance Management and Business Intelligence. He is currently a Director of the Bow Valley Clean Air Society, a member of the Bighorn Corridor Environmental Committee and an active volunteer for Alberta Environment and Protected Areas.

Environmental Manager

Heidelberg Materials

Julie McLean

Foothills County

Nicole Tomes

Town of Cochrane

Janice Gallwey, M.Sc.

AGAT Laboratories, AQM Division Manager, Calgary, Alberta

Janice began her employment with AGAT Laboratories in October 2012 and currently manages the Air Quality Monitoring division. In her role, she provides regulatory compliance air quality monitoring services across Canada, focusing mainly on continuous ambient air monitoring. Janice graduated from the University of Calgary in 2011 with a Master’s degree in Evolutionary Plant Ecology.

Janice Gallwey

Sean Dawson, Environmental Manager, Matrix Solutions

Public Member

Mr. Sean Dawson is a senior environmental engineer and has been in the Project Management and Air Quality groups at Matrix Solutions for 12 years. He conducts air dispersion modelling and monitoring for all sizes of facilities and provides the final review for work done by Junior Air Quality Professionals as Matrix’s Air Quality Technical Lead. Mr. Dawson has a passion for making air emissions and reductions understandable and accessible to the public. His current focus is on air dispersion modelling for projects in the oil and gas, electricity production and agricultural industries, GHG quantification, and project management.


Braeden Elenko, Education Program Coordinator, Inside Education

Public Member

Braeden graduated with a Bachelor of Science in Natural Sciences and a Bachelor of Education in Secondary Science from the University of Calgary.  Prior to working with Inside Education, Braeden was a classroom teacher in the Calgary Board of Education and taught sciences and mathematics to students in grades 7-12.  Braeden joined the Inside Education program team in March 2022 and provides unique education experience and perspectives to the various program offerings.  As the Air Quality Project Coordinator, Braeden has connected with and educated numerous schools in Alberta about the importance of air quality in their community, and encourages both students and teachers to take action and become involved with student-led action projects in their schools.