Toxins more than 100 years old found near Brighton High School are halting work on a nearly $22 million district capital project.
Brighton CSD says contractors working to build new athletic fields at the high school discovered ash and cinders in the soil in January. The state Department of Environmental Conservation began soil testing in February and later confirmed the presence of mercury, lead and arsenic.
Administrators believe those materials were left behind by the former Buckland Brick Manufacturing site, which operated there from 1830 to the 1920s…