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Facilities registered to the Petroleum Refining and Petrochemical Industry Standards are required to monitor benzene or 1,3-butadiene levels at their fence lines (known as “property line monitoring”) and provide the results on a public website within 60 days.

Property line monitoring began on January 1, 2018. Results can be found on the facility websites at the links below.

Petroleum Refineries:

Petrochemical Plants:

Property Line Monitoring Map Imperial Oil Sarnia website link INEOS Styrolution website link NOVA website link Shell website link Suncor website link Arlanxeo website link

Working towards improving Sarnia's air quality!