Dalhousie University researchers tracking air pollutants released by the Atlantic Canadian pulp and paper industry over nearly two decades say emissions from the Northern Pulp operation in Nova Scotia were higher than all other mills combined.
From 2002 to 2019, the study found Northern Pulp in Pictou County grossly exceeded minimum thresholds set by Environment and Climate Change Canada for a pollutant known as Total Particulate Matter 2.5.
"That's the tiniest particulate matter that can be ingested into lungs and can cause human health impacts," said Tony Walker, who co-authored a paper based on research carried out by graduate student Gianina Massa. Estimated annual releases above lower limits trigger mandatory self-reporting to the registry, however there are no repercussions for exceedances.
Northern Pulp said its industrial approval from Nova Scotia Environment and Climate Change required that fine particulate matter emissions from the facility not contribute to an exceedance of the ambient air quality standards for fine particulate matter.
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