Inexpensive sensors will make real-time monitoring of St. Mary’s River a reality
SAULT STE. MARIE - The call went out after a 5,300-gallon oil spill on June 9 at Algoma Steel. Responders needed an almost instantaneous awareness of how well containment and clean-up efforts were going.
The good news is that none of the sensors detected oil in their area after the spill, and as of the end of July, continue not to see hydrocarbon signatures of anything that would linger. The sensors work on the same principle as that 1970s artform, the blacklight painting - shine a deep purple light onto a painting and dig the glow. However, these sensors use the deepest purple there is - ultraviolet light - that make telltale molecular hydrocarbon chains in oil glow if they are present. If the sensor sees a glow, then there’s oil.
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