This flowchart provides an example decision making process for managing Polychlorinated Biphenyl (PCB)-containing materials (e.g. fluorescent light ballasts, caulk, paint, etc.) in a school building environment. This is a useful tool for school administration officials in making informed decisions about indoor air testing and removal activities.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.