Burlington High School and Burlington Technical Center remain unoccupied on Oct. 19, 2020, following the detection of PCBs, a hazardous chemical used in construction materials, in air quality tests. April Barton / Free Press Breadcrumb Home News The chemicals that closed Burlington High School are everywhere: What about other schools? Thursday, June 3, 2021 Burlington Free Press https://www.burlingtonfreepress.com/story/news/2021/06/03/pcbs-vt-schools-could…