Recognizing ACBMs

EPA Classification of ACBMs: Thermal System Insulation (TSI)

TSI is found on building components such as:

  • Pipes

  • Boilers

  • Ducts

  • Includes elbow and joint mudding

Can be subject to significant damage unless protected

EPA classifies as non-friable unless damaged

Examples of TSI

Pipe insulation & elbows

"Air Cell" pipe insulation - paper wrapped insulation has high probability of containing asbestos

Boiler Insulation

Asbestos paper duct insulation