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Guidance Documents

This section is comprised of recommendations and tools designed to advise on issues encountered in the field. These documents are peer-reviewed and the content is the responsibility of the authors.

Inuit and Metis radon research across the country

Radon, an odorless, colourless, radioactive gas, is an established carcinogen and the leading cause of lung cancer for non-smokers. Radon poses a health risk for indoor environments, particularly in rooms on ground or basement levels where the gas can enter through cracks in the foundation. Health Canada has been measuring radon levels in homes and workplaces and elevated levels of radon have...

PDF icon NCCEH Overview of historical radon testing programs with FN communities April 2018rev_EN.pdf, PDF icon NCCEH_Radon_Neathway_EN.pdf

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Testing for Lead In School Drinking Water: A Summary of Sampling Protocols

Topics: Drinking Water, Lead Location: General, Canada

Low level lead exposure has been linked to neurobehavioral and cognitive effects in children.1 No “safe” level of lead exposure exists and efforts should be made to reduce exposures to as low as possible. The phasing out of lead in gasoline, residential paints, and solder in food cans has substantially decreased blood lead levels among the general population, but residual sources still exist....

PDF icon FINAL-Testing For Lead in School Drinking Water(web).pdf

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Cyanobacteria in Freshwater

What are cyanobacteria? Are cyanoblooms preventable? Who is at risk and how does exposure occur? Is there testing for cyanotoxins? This NCCEH document provides a brief outline of these key questions related to cyanobacteria and the toxins they produce.

PDF icon Cyanobacteria_in_Freshwater-May_2017.pdf

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Understanding microbial indicators for drinking water assessment - revised

Topics: Water, Drinking Water Location: General, Canada

Boil water advisories are issued when water testing detects higher than accepted amounts of microbial indicators or when there are deficiencies with water treatment. The fear of not issuing a boil water advisory when there is truly a health risk associated with water consumption can lead water operators to call for boil water advisories as a precautionary measure. Yet, issuance of boil water...

PDF icon Microbial_Indicators_Jan_2013.pdf

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