Contact the laboratory safety officer to arrange for proper disposal of hazardous materials. Absorbent pads and other spill clean up equipment are located near the chemical storage area near the negative ion sources. A BLUE light at the entrance to the laser area indicates that a laser in on. If a laser is on, do not enter the laser area without authorization from the operator. Use the proper eye protection when working with lasers.
Many laser dyes are hazardous.
Be aware that some lasers have invisible beams and it is not readily evident that the laser is operating. Before using the equipment in the machine shop, you should have proper training. The physics department machine shop foreman offers a machine shop course. Wear eye protection when there is a hazard from flying debris. Avoid contact with exposed moving parts.