Only qualified and trained employees may operate Class 3 and Class 4 lasers. To be qualified, a laser operator must meet both the training requirements outlined below, and operational qualifications established by the P.I. Health Physics offers basic laser safety training sessions and provides training materials to assist P.I.'s with on-the-job training sessions. The P.I. is responsible for ensuring that all persons who work in areas where Class 2, 3 or 4 lasers are used are provided with appropriate training and written safety instructions (work rules), so that the workers can properly utilize equipment and know and follow safety procedures. Laser safety training should be coordinated with ongoing departmental training programs.

Safety training is assessed during periodic site visits by Health Physics. Stanford policy states that safety training is to be provided before persons are permitted to operate lasers without supervision.

On-the-job training for Class 3 and Class 4 laser users shall include a thorough review, by a senior, knowledgeable individual, of hazards associated with each laser that a person may operate, and the protection methods employed by the laboratory. For personnel who work with Class 3b or 4 lasers, the training shall include basic instruction on the following topics:

1. The biological effects of laser radiation
2. The physical principles of lasers
3. Classification of lasers
4. Control of areas
5. Medical examination options
6. Basic safety rules
7. Use of protective equipment
8. Control of related hazards including electrical safety, fire safety, and chemical safety (handling and storage)
9. Emergency response procedures.

Because of the hazard of electrocution, lab personnel shall take courses in cardiopulmonary resuscitation (CPR) and in the proper rescue techniques to follow in the event of electrocution. This type of training is especially important where lab-built lasers and power supplies are in use, or where the lab personnel modify, repair or maintain laser systems. All laser service personnel, research personnel and their assistants working with high voltages shall be trained in CPR. The training is provided by special instructors; there is a charge for this course for which Staff Benefits funds may be available. Cowell Health Services offers CPR courses.