Developed by responders, for responders, this is the foundational, patented system that started it all – This one-day class, taught in a straight forward easy to understand methodology, takes the typically complex world of Hazardous materials and simplifies it for street level responder. Each participant receives a set of laminated Above the Line/Below© charts which allows them to efficiently size-up any chemical in minutes, determining the hazards, meters and PPE required.