Haz Mat Level 2 in Chicago, IL – June 14, 2016 Posted by firescenesadmin on June 15, 2016 Posted in: Fire Rescue Scene photos, NEW. Tagged: Chicago Fire Department, construction crew breaks gas line in Chicago Loop, firefighters work at gas main break in Chicago Loop, Haz Mat Level 2, photos of Chicago firefighters at construction site, Tim Olk. Leave a Comment CFD worked a Haz Mat Level 2 on just after noon Tuesday (6/14/16) in the Loop near State Street and Madison Street for a 4″ gas main that was hit by a construction crew. Reportedly it was an old line that was no longer being used. Tim Olk Tim Olk photo Tim Olk photo Tim Olk photo Tim Olk photo Tim Olk photo Tim Olk photo