The following specifications are taken directly from the ANSI Z358.1-1998 standard. An emergency shower permanently connected to a source of potable water. A shower that contains its own flushing fluid, and must be refilled or replaced after use.
Valve remains on until the user shuts it off.
Installation 10 seconds from the hazard. Must be on same level as the hazard and the path of travel shall be free of obstructions that inhibit the immediate use of the equipment. Shower location shall be in a well-lit area and identified with a sign. Maintenance and Training Showers will be tested weekly to verify correct operation. All employees who might be exposed to a chemical splash shall be trained in the use of the equipment.