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Field Inquiries

NCCEH field inquiries are based on a real or hypothetical situation related to an environmental health problem. A field inquiry uses a question format to offer context and background to the problem, knowledge to assess the situation and concludes with an approach to solve the problem.

Cemetery Setback Distances to Prevent Surface Water Contamination

Primary inquiry: In Canada, as in many other countries, cemeteries are required to be setback a certain distance from waterbodies to protect drinking water sources from contaminated liquids that can arise from the decomposition of bodies after burial. What is recommended as a safe setback distance? What is the rationale for the setback distances used throughout Canada?

PDF icon Cemetery_setback_distances_surface_water_contamination-Oct_2017.pdf

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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 when they are illuminated. A representative of a community organization advocating to remove the video screens has asked the Chief Medical Health Officer of the local health department whether the...

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Nematodes for Pest Control

A provincial Health Ministry has been asked by the Ministry of the Environment to advise on the health risks associated with use of nematodes to control the cranberry girdler, an insect that has been affecting the economic viability of provincial cranberry production. You are assigned the development of a response as part of your practicum with the Ministry of Health. Here is an outline of...

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