A ventilation system to protect students at a Gowanus elementary school from contaminated air has passed its first round of testing, according to state officials, but isn’t set to be fully operational until at least after Christmas. Officials tested the air at P.S. 372 The Children’s School earlier this year as part of a larger Soil Vapor Intrusion study in the neighborhood surrounding the toxic Gowanus Canal Superfund site. The results showed the air inside the school’s main building on Carroll Street was safe by state standards. Click here to read more on brooklynpaper.com.