This course is designed to teach participants to operate a PBT instrument within the guidelines set by the Chief Toxicologist, Department of State Police Forensic Sciences Division, and improve effectiveness in detecting and apprehending DUI violators. The PBT is an additional tool for properly trained police officers to use on the roadside during impaired driving investigations. Topics include the purpose, benefits and effectiveness of the PBT, laws which affect DUI enforcement and PBT use, accuracy and reliability of the PBT and proper use of the PBT.