Contaminants and Hazards


Identifying hazards posed by infectious diseases, chemicals, radiation, and noise, in homes and personal service establishments.

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Float Tanks: Considerations for Environmental Public Health

Floatation refers to a meditative activity in which users float in a high-density Epsom salt solution in a dark, quiet environment. Because float tanks are distinct from swimming pools and other…
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Float Tanks: Review of Current Guidance and Considerations for Public Health Inspectors

The growing popularity of “floatation” and the ways in which this practice differs from the use of pools and spas have raised interesting questions in environmental public health. Public health…
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Floatation Tanks

Floatation or float tanks have resurged in popularity since their initial commercialization in the 1970s. These tanks, pods, or chambers are intended to help users achieve certain physical and mental…
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Forest Residues to Energy: Is this a pathway towards healthier communities?

Forest residues are non-merchantable woody biomass found in forests and wood waste from logging practices and industrial operations, such as sawmills. Forest residues are a convenient fuel for open-…
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From communication to mitigation: The challenges of managing radon exposure in Canada

This presentation, delivered at the BC Lung Association’s 4th Annual Radon Workshop, outlines a theoretical framework that supports radon outreach and behavior change.
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Going Underground: Electrical Substations and Health

Concerned citizens and municipal authorities contacted their public health region about a proposal by an electrical utility company to build an underground electrical substation in an urban area,…
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Growing at Home: Health and Safety Concerns for Personal Cannabis Cultivation

Personal cultivation as described by the proposed Cannabis Act (2017) will permit adults to cultivate up to four cannabis plants per household. This provision is intended to both promote equity by…
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Guest Blog: Training and Support for Managing Drinking Water Systems in First Nations Communities in Ontario

As of September 2019, there were 56 long-term drinking water advisories (LTDWA) for public systems on First Nations reserves across Canada. These are either Boil Water advisories or Do Not Consume…
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Guidance for the Characterization and Management of Public Health Risks from the Acute Release of Chemicals of Concern: Crude Oil

The BCCDC/NCCEH Environmental Health Seminar Series provides an opportunity for learning and knowledge exchange on a variety of environmental health topics. The seminars can be attended in-person or…
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Guidance for the Environmental Public Health Management of Crude Oil Incidents

Crude oil spills/releases, alone or in combination with combustion/explosion of the oil, have been the cause of several major disasters in Canada and around the world including the 2010 Deepwater…
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Guide for Implementing the Carbon Monoxide Monitoring and Response Framework in Long-term Care Facilities

This guide is intended for public health practitioners, facility/property maintenance managers, risk managers, occupational hygienists, clinicians, or other persons working at long-term care…
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Health Effects from Mould Exposure in Indoor Environments - revised

Moulds are naturally occurring and widespread in the environment; therefore, it is not possible to eliminate exposure. Sufficient evidence exists to conclude that exposure to mould in indoor…
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Health Effects of Large LED Screens on Local Residents

In 2011, three high-definition outdoor LED video billboards were erected around a city sports stadium. The residents of the surrounding community are exposed to the lighted images of these screens…
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Health Effects of Oil Spills and Implications for Public Health Planning and Research

Two major pipeline projects have been proposed to transport petroleum products from Alberta to the British Columbian coast. Despite potential economic benefits, these proposals have roused widespread…
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Health Effects of Oil Spills: Implications for Impacted First Nations Communities

This presentation, delivered at the Centre du savoir sur mesure (CESAM) 1st national symposium, contains a combination of academic research carried out during the Exxon Valdez oil spill as well as a…
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Household Pets and Zoonoses (University of Guelph Master of Public Health Program)

In addition to dogs and cats, the popularity of exotic animals, such as geckos, bearded dragons, and African Dwarf Frogs is increasing; the greatest increase is ownership among children. It is…
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How We Talk about "Pot" Matters: Risk Messaging around Cannabis Legalization

This presentation, originally delivered at the 2017 CIPHI Annual Education Conference in Richmond, BC, provides an overview of some basic risk communication principles as they pertain to cannabis…
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Hydraulic Fracturing for the Production of Shale Gas

Hydraulic fracturing (also termed “fracking”) is the process used, along with horizontal drilling, to extract unconventional natural gas (shale gas, tight gas or coalbed methane) and tight oil from…
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Impact of Home Preparation and Cooking Methods on Levels of Dioxin and Dioxin-Like Compounds in Foods

Human exposure to dioxins and dioxin-like compounds (DLCs) is primarily from ingestion of fish, meat, and dairy products. Based on studies where populations were exposed to much higher levels of DLCs…
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Increasing Use of Pyrethroids in Canadian Households: Should We Be Concerned?

Pyrethroids are a class of plant-derived insecticides and their man-made analogues that are increasingly applied in Canada as first choice for pest control in many agricultural and residential…
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