What is the ANSI Z358.1 Standard for Eye Wash Devices?

This article serves as a general reference, is not all encompassing and should not be used as legal advice.

General Information on the ANSI Z358.1 Eye Wash Standard(s)

The ANSI Z358.1-2009 standard establishes a universal minimum performance and use requirements for all eyewash and drench shower equipment used for the treatment of the eyes, face, and body of a person who has been exposed to hazardous materials and chemicals.

Equipment That Falls Under the ANSI Z358.1 Standard Includes:

Drench showers, eyewash, eye/face wash, portable eyewash, and combination eyewash & drench shower units.

The ANSI Z358.1 standard also covers equipment performance and use requirements for personal wash units and drench hoses, which are considered to be supplemental equipment to emergency eyewash and drench shower units.

In addition to performance and use requirements, the ANSI Z358.1 standard also provides uniform requirements for testing procedures, employee training, and maintenance of flushing equipment.

Primary Emergency Eyewash Device

Must provide 15 minutes of flush time

Secondary Emergency Eyewash Device

Intended to support, not replace, primary plumbed or self contained units. Provides immediate flushing until the injured person can be helped to a primary emergency eyewash device. Can be used for emergency flushing and decontamination of the eyes, face and body.

Location of Emergency Eyewash Devices (10 Second Rule)

The ANSI Z358.1 Standard states: all flushing equipment must be located in areas that are accessible within 10 seconds (roughly 55 feet). This is commonly referred to in the industry as the 10 second rule. Best practices are to use a stop watch from your hazardous areas and determine if you have the proper flushing fluid located within 10 seconds.

Keep in mind that an injured worker may need additional time to reach the flushing stations, as the severity of their injury could vary. In the presence of highly corrosive chemicals, consideration should be given to install the flushing equipment much closer to the hazard.

Be cautious of electrical supply panels that may be within “splashing distance” such as charging stations for battery operated machinery.

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