Hi all…on the heels of Health Canada’s new guideline for lead in drinking water, Canada’s National Collaborating Centre for Environmental Health has prepared an 8-page document entitled “Testing for Lead in School Drinking Water-A Summary of Sampling Protocols.” Table 1 is a “Summary of sampling protocols for testing lead in school drinking water developed in Canada [...]
A new guideline for lead in drinking water has been posted on the Health Canada website. As expected, the MAC has been lowered to 0.005 mg/L (5 µg/L) as total lead. There are fact sheets available on the website...
A study measuring urinary fluoride levels in pregnant women in Canada has just appeared in the journal Environmental Health Perspectives. The authors conclude that “community water fluoridation is a major source of fluoride exposure for pregnant women living in Canada.”
Following up from the just-published article “Community Water Fluoridation and Urinary Fluoride Concentrations in a National Sample of Pregnant Women in Canada,” I circulated earlier today; I have located the article that was referenced to support their conclusions pertaining to health risks.
A study looking at the extent of cyanobacterial cell accumulation and presence of five cyanotoxins across the treatment trains of four drinking water treatment plants in the Great Lakes region...
When discussing proposed lead in drinking water guidelines recently, the topic of lead in point-of use devices/plumbing materials and NSF 372 came up.
The deadlines for providing comments to Health Canada on their ‘Guidance document on the use of quantitative microbial risk assessment in drinking water’ and ‘Proposed guideline technical document on copper in drinking water’ documents have expired but a ‘Proposed guideline technical document on strontium in drinking water’ is now available for public comment ...
The ‘Guideline Technical Document: Cyanobacterial Toxins’ is now available on Health Canada's web site.
A just published review article on the risk of engineered and incidental nanoparticles in drinking water concludes risks to human health are low.
Not too long ago the Flint water crisis drew our attention to the observation that changing the raw water source to a drinking water treatment plant needs to be done with due care and diligence.