Welcome to ALARA!

ALARA Industrial Hygiene Services Ltd. is a Canadian occupational hygiene consulting company that offered a comprehensive range of consulting services in occupational and environmental health and safety from 1989 to 2018. Services offered included occupational air sampling, noise exposure evaluation, indoor air quality assessments, investigations of mold and other microbial agents, workplace risk assessments, worker training and professional development courses for occupational health professionals.

In 2018 we decided to retire from active occupational hygiene consulting and shift the focus of ALARA more toward providing educational material and online services on a not-for-profit basis. By concentrating on an online model of information delivery we anticipate being able to offer informational assistance world-wide. This is frankly an experiment. We do not know if we can do anything meaningful with the resources at our disposal, but we intend to try.


Our goal as consultants was to work with our clients to protect the health of their workers, the natural environment, and the community from those hazards arising from the workplace. ALARA continues to be dedicated to the protection of worker health. We hope to do this through assisting other occupational hygiene professionals around the world, who lack some of our resources, in the recognition and evaluation of workplace hazards and the recommendation of appropriate control procedures to improve worker well-being and productivity.

Why ALARA? We are often asked what ALARA means. It is an acronym for “As Low As Reasonably Achievable”. This is a philosophy first espoused by health physicists regarding the reduction of exposures to ionizing radiation. Occupational hygienists later appropriated the ALARA concept for application to other workplace hazards, be they chemical, physical and biological. The ALARA principle recognizes that although it may not be possible to reduce exposures to zero, efforts should be made to reduce exposures as much as possible to limit harm. We originally chose the name ALARA because it reflects our belief that workers should be protected from all hazardous exposures that could, over a working lifetime, lead to disease or impairment.


ALARA Industrial Hygiene Services Ltd. 103 Parkview Hill Crescent, Toronto, ON Canada M4B 1R5, info@alaraihs.com