Welcome to ALARA Industrial Hygiene Resources!

ALARA Industrial Hygiene Services Ltd. was  a Canadian occupational hygiene consulting company, operated by my wife and I between 1987 and 2018.  We offered a comprehensive range of consulting services in occupational health and safety. Although we retired from active consulting in 2016, we are still interested in helping people with occupational hygiene problems, hence the change in emphasis of this web site.

We decided to shift the focus of ALARA toward providing educational material and online services on a not-for-profit basis.  By shifting to an online model of information delivery we hope we will be able to offer cost effective assistance world-wide to assist under-serviced areas of the world. This is frankly an experiment. We do not yet know whether there is interest in the information and material resources we have accumulated, but we are reluctant to discard them when we know that there is still a strong need for occupational hygiene improvements in workplaces both here in Canada and around the world.


Our goal has always been to protect the health of workers, the natural environment, and the community from hazards arising from the workplace. We hope to continue to do this, assisting other occupational hygiene and safety professionals who may lack our resources for developing appropriate control procedures to improve worker well-being and productivity.

ALARA is an acronym for “As Low As Reasonably Achievable”, a philosophy first promoted by health physicists regarding the reduction of exposures to ionizing radiation. Occupational hygienists appropriated the concept for application to all workplace hazards, chemical, physical or biological. The ALARA principle recognizes that although it may not be possible to reduce exposures to zero, we should work to reduce workplace exposures as much as is possible, to eliminate the potential for harm and to protect workers from all exposures that could lead to disease or impairment.

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