The GOEHU research team consists of laboratory scientists, physicians, occupational hygienists, clinical fellows, respiratory therapists, technologists, and graduate and undergraduate students. Although a wide variety of occupational and environmental research takes place at GOEHU, a major thrust of our research effort relates to understanding the origin, composition, fate, and health impact of aerosol contaminants of outdoor and indoor environments.

GOEHU is equipped with pulmonary function and ultrasound laboratories, examination rooms, a phlebotomy room, and an on-site hematology laboratory. GOEHU also has a fully equipped microbiological laboratory specialized in bioaerosol analysis, including biochemical, molecular diagnostic, and immunoassay procedures. Laboratory facilities to support a range of chemical analyses of occupational and environmental samples are available, including a wide range of personal and environmental air sampling pumps and calibration equipment. As a major partner in the Southern Ontario Centre for Atmospheric Aerosol Research (SOCAAR), GOEHU researchers have access to additional state-of-the-art aerosol research facilities, including the only ambient ultrafine (<0.1um), fine (0.1-2.5um) and coarse (2.5-10um) particle concentrating system in Canada. With this system, ambient air adjacent to busy downtown College Street in Toronto is drawn in and passed through a series of concentrators that selectively remove ambient gases, thereby concentrating particles in the air stream. The resulting concentrated ambient particulate (CAP) may be used for human and animal inhalation studiesunder well-controlled and characterized conditions to investigate the pathophysiological mechanisms underlying the cardiovascular and respiratory effects of particulate air pollutants. GOEHU also has a 1 m3 aerosol generation chamber for research and validation studies of aerosol sampling devices. In addition, the St. Michael's hospital site of GOEHU features a fully-equipped occupational medicine clinic and research facility with world-class expertise and diagnostic instrumentation to study hand-arm vibration syndrome (HAVS), occupational dermatitis, and other occupational diseases.


  • Data downloaded from direct reading instruments can often be difficult to process. This novel data analysis tool produced by Dr. Ian Drummond uses a Microsoft Excel platform to analyse downloaded data from direct reading instruments to identify important data trends, such as STELs.


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Pressure gauge

Tenax tubes

GC column

NMR spectra


Alternaria and Oidium spores

Metal grinding

Andersen N6

Chest x-ray

Contact dermatitis

House dust

Penicillium colonies

Mold spore hazard sign

Petri plates

Acetone vaporizer

DNA sequence

Aspergillus fumigatus

Black yeast

Biohazard sign




Denaturing gradient gel electrophoresis (DGGE)

DNA gel loading

Occupational dermatitis


Laser particle counter

Particle concentrator

Harvard ultrafine particle concentrator

Human exposure chamber

Harvard ultrafine particle concentrator

Harvard ultrafine particle concentrator

Graham condensor

Exposure mask

Gas respirator

Biohazard waste

Aerosol laboratory

Cryogenic storage

Liquid nitrogen

Biohazard waste

Fire prevention

Juniper pollen




Hand Arm Vibration Syndrome (HAVS)

Fire prevention

Chemical spill treatment


Ragweed pollen

Stereo microscope

Fume hood

Protein electrophoresis apparatus

Burkard sampler

Burkard sampler

High volume air sampling pump

Andersen N6 Petri dishes

Pine pollen

Q-Trak IAQ monitor


Rotorod sampler

SAS culturable air sampler

QuickTake air sampler

Moudi personal cascade impactor

Asbestos air sample


Cunningham spore illustration

Nitrile glove

Cotton fibre

Wool fibre

Lactate crystals

Cat dander

Hog nose sampler

Radiation safety