Due to the environment where pipes were installed, insulation was required in order to prevent the pipes from deteriorating. Asbestos was used for most of the 20th century in manufacturing insulation products designed to wrap and protect piping systems found in unfavorable conditions.
The asbestos insulation started to deteriorate with the passing of time, leaving the asbestos fibers in a friable state due to the alternating temperature, from hot to cold. When the workers would interact with the pipes, asbestos particles would spread into the atmosphere, exposing them to the toxicity of asbestos. You could have been exposed if: