Officials at Colorado Springs School District 11 aren't saying how long it's been since the ventilation equipment at Doherty High School was cleaned, but they're sure to be cleaned now. The school has been basically closed since May 11 when two fires broke out, and testing in the buildings has revealed "higher levels than normal for ash, soot and carbon in certain areas of the building," D-11 spokeswoman Devra Ashby says via email. Those areas have been closed off to students and staff, she said, and D-11 facilities workers are cleaning and further testing vents and ducts, a process that will take several more weeks. Rules and regulations governing schools in Colorado include this requirement: "Ventilation system filters shall be cleaned...
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D11 workers testing Doherty for air quality