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mining impacts 

1 record(s) found for principal investigator "St-Onge, Sonia" (multi-year projects are grouped):
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Dendrochemical Investigation of Arsenic Exposure from Giant Mine on Spruce and Jack Pine Forests, Yellowknife, NWT.
Principal Investigator: St-Onge, Sonia M
Licensed Year(s): 2006
Summary: The spruce and jack pine forest stands in certain areas surrounding the site of Giant Mine, north of Yellowknife, show signs of poor health; stunted growth, early leaf drops, and yellowed foliage. These symptoms may be attributed to the emissions of sulphur dioxide (SO2) and arsenic trioxide (As2O3) that were released into the atmosphere from 1949 to 1999 as by-products to the roasting process use...