Often during a vehicle collision investigation it is important to determine if vehicle lights
were on or off at the time of the collision. Information in this Physical Evidence Bulletin
pertains to handling vehicle lamps or any other tungsten bulb.
The Physical Evidence Bulletin (PEB) is a guideline intended for law enforcement
agencies for the collection and submission of evidence to BFS Laboratories. Physical
Evidence Bulletins are not intended to be used in lieu of training in the collection of
evidence.