Water contaminated with benzene can lead to serious health effects, experts say.

Almost 500 workers at the Suncor Energy oil refinery north of Denver had to undergo blood tests to see if they have been exposed to benzene.

The concerns emerged as the tap water at the refinery was found contaminated with benzene and the company was struggling to contain contamination of Sand Creek.

The blood tests are confidential, but they may shed some light as to how long the tap water has been contaminated.

Benzene is a natural part of crude oil and a basic petrochemical. It has been identified as a human carcinogen and affects people’s blood, causing leukemia and bone marrow defects, among other health problems.

The area has been dealing with environmental pollution and underground plumes of contamination for a long time.

Suncor processes oil from the region as well as oil-sand crude from Canada. The plant is producing about 90,000 barrels a day of gasoline, diesel fuel and asphalt.

Source: The Denver Post

Remove benzene vapors with activated carbon air scrubbers

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Activated carbon has a high efficiency rating for the adsorption of gaseous pollutants such as benzene.

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