SLR air quality and compliance team stay at the forefront of evolving air regulations and science.

How can we help?

The global air quality team brings experience with the assessment of impacts associated across all business sectors including Oil and Gas, Mining and Minerals, Industry, Power, Infrastructure, and Built Environment.

With an increasing global population, heightened social awareness of critical environmental issues, and the expansion of international regulatory framework, air quality resource management is emerging as a priority for industries and governments around the world.  

Our services include:

  • Air Permitting
  • Air Toxics Health Risk Assessments

  • Ambient Air/Meteorological Monitoring

  • Air Quality Program Management

  • Dispersion Modelling

  • Compliance Management

  • Emissions and Control Studies

  • Leak Detection and Repair (LDAR)

  • Expert Witness

Our team

  • Morgan Fitzpatrick Technical Discipline Manager
    Morgan Fitzpatrick

    Morgan has extensive experience of carrying out air quality impact assessments for EIA, Environmental Permitting, human health risk assessments, and occupational exposure purposes, involving monitoring, modelling and research for a range of developments, including the minerals, energy, wastewater, solid waste, food and drink, intensive agriculture and chemical sectors. Morgan is accomplished in the use of atmospheric dispersion modelling techniques using a range of models including Industrial Source Complex (ISC), AERMOD, IRAP-h, and ADMS.

  • Ioanna Gegisian Principal
    Ioanna Gegisian

    Ioanna specialises in environmental permitting and environmental impact assessments with a focus on air quality issues. She has worked for a variety of sectors including power, oil & gas, transport and mining. Ioanna has extensive experience as an air quality specialist, undertaking air dispersion modelling and designing and managing air quality monitoring surveys. She completed a PhD in 2007 on the subject of air quality and environmental justice, exploring sustainability issues of the UK’s Local Air Quality Management framework.

  • Rachel McHale Principal Consultant
    Rachel McHale

    Rachel has undertaken assessments for a wide range of industries including the minerals, built environment, energy, wastewater, solid waste and composting sectors. These have been used for planning and permit applications, justification of asset renewal and resolution of complaint issues. Rachel has also been extensively involved in assessing the impact of mineral developments, being an active member of the working group for the publication of the IAQM Guidance on the Assessment of Mineral Dust Impacts for Planning. Work within the mineral sector includes the preparation of environmental impact assessments, dust action plans, baseline studies and vehicle emission assessments.

  • Graeme Blacklock Technical Director
    Graeme Blacklock

    Graeme is a Technical Director with SLR in the field of air quality. Graeme has over 15-years’ consultancy experience, during which time experience includes the production and project management of extensive air quality projects and is a Chartered Environmentalist and Member of the Institute of Air Quality Management. Graeme has experience in all aspects of air quality consultancy including odour testing, modelling and research, including the provision of Expert Witness Services.  


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Nigel Taylor Principal, Air Quality
Nigel Taylor

Nigel Taylor has worked in the environmental field since 1993 with research and professional experience in matters of air quality. He received his Master of Science Degree in Land Resource Science from the Ontario Agricultural College at the University of Guelph. With a specialty in air quality assessment and emission inventories, Nigel has provided technical consultation and managed numerous air quality and noise impact related studies. Environmental assessment, regulatory permitting, environmental assessment and design are services that have been provided to a number of sectors including the energy and land use planning sectors. 

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Jason Slusarczyk Air Quality Specialist Principal
Jason Slusarczyk

Jason has over twenty years of experience specializing in air quality modelling and assessment. He has consulted on 100’s of projects and provides technical direction, leadership, and ensures that a sound technical product and high level of service is provided.  Jason has extensive experience with wind tunnel tracer gas testing. He specializes in evaluating exhaust stack and intake designs for the higher education, science and technology, healthcare and medical research sectors; and offers expert design guidance to building planners, architects and engineers.