When a malfunction at Suncor Energy's oil refinery spewed sulfur dioxide into the air over Commerce City, a machine quietly sampling air quality in the community detected the pollution. But other instruments tracking the air around Suncor did not.
, a nonprofit that serves as a watchdog over the refinery, all recorded different data on what had been blown into the air as people were just beginning their day. In fact, some instruments did not record the spike in sulfur dioxide at all.later that evening, its report included a data set that did not reflect the peak emission point, but instead provided a less-alarming five-minute average. None of the data collected found Suncor had violated federal air quality standards.
Still, the short-term spikes in sulfur dioxide levels were high enough — even without a sustained one-hour average that exceeded federal standards — that the health department was compelled to issue a public notice, albeit about 12 hours after the incident occurred. A representative from the Adams 14 school district called Cultivando to ask what had happened and how it might affect students, who were taking state standardized tests that week, said Guadalupe Solis, Cultivando’s director of environmental justice.
Ogletree said work is being done to figure out how that would come together, but it’s not an easy project.Different monitors, different readings
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