Safety showers and eyewash fountains are needed for immediate emergency use in any area where the eyes or body may be exposed to injurious materials. They may also be used to extinguish clothing fires or to flush off chemicals. According to information published by the National Safety Council, both should be installed so the distance from the hazard or work station does not exceed 25 feet or 15 seconds travel time. In addition to location considerations, the article also discusses selection, water supply, installation, operation and maintenance.