Superintendent Tom Flanagan’s announcement on Wednesday night follows the revelation last week that the district detected high levels of polychlorinated biphenyls, or PCBs, in the air of F Building, which houses classrooms for Burlington Technical Center and for special education students.
“I know this news must come as a shock to many of you, and I know that many students are likely very disappointed to once again be missing out on so many in-person connections,” Flanagan wrote in an email to parents on Wednesday. “I want to assure you that we will work as fast and as hard as we can to get students back into our buildings as soon as we can.”
PCBs are man-made chemicals frequently found in window caulking and light fixtures in buildings constructed between 1950 and 1979, after which time the U.S. Environmental Protection Agency banned their use. Health effects from PCBs, cancer-causing and otherwise, depend on how long and how often a person is exposed to the chemicals.
The school district began testing for hazardous materials last summer in preparation for a $70 million school renovation, known as the ReEnvisioning project, that city voters approved in November 2018.
The health department “made a strong recommendation that we not return to BHS or BTC without further diagnosing and mitigating the issue of PCB’s in the air,” Flanagan wrote.
At least one reading in all other buildings exceeded the state standard but not the EPA’s, according to new results released on Wednesday night. The highest reading in A Building, home to the cafeteria and gymnasium, was 260 nanograms per cubic meter in the chorus room. B Building’s highest measurement of 270 nanograms per cubic meter was found in the library office.
The highest readings in Buildings C, D and E were 130, 300 and 110 nanograms per cubic meter, respectively.
The cafeteria and kitchen, however, both measured at acceptable levels and will remain open, Flanagan said. The EPA and state health department told Flanagan that it would be safe to continue using those spaces as long as they “keep an eye on the spaces and include them in future testing,” the superintendent said.
“This is good news for us as a District, as the kitchen at BHS is used to prepare food for many students and community members, not just our BHS population,” Flanagan wrote.
While the high school buildings could reopen after four months, Flanagan said he expects the testing and mitigation process at the Burlington Technical Center to take “significantly longer.” The district is seeking alternative classrooms for those programs.
Flanagan also tried to assuage concerns from teachers and staff, writing that “our Human Resources team is actively working with our insurance and benefits providers to explore what these results mean and how we can help and support you.”
At a school board meeting on Tuesday, senior finance director Nathan Lavery told commissioners that the district would look into emergency funding from the state to help cover remediation costs. Flanagan’s email noted that “even the least-costly mitigation options will be expensive and time-consuming.”
The district is also likely to miss its summer 2021 construction start date, school officials said on Tuesday night.
Read the building summary reports below.
Correction, September 17, 2020: A previous version misreported when the consultants first tested the air quality in the buildings.
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