A Standard Operating Procedure (SOP) is a set of step-by-step instructions describing the correct use of a piece of equipment. Members trained to use equipment are required to read SOPs every time before they use a piece of equipment. Reading an SOP does not constitute training and untrained members must complete the equipment-specific training process for the piece of equipment they wish to use. SOPs are required for every piece of equipment in the lab and provide the following information about the use of a piece of equipment: