eyewash station

Laboratory Eyewash Stations & Emergency Showers

Laboratory Emergency Eyewash and Showers

What Is a Laboratory Eyewash Station?

Laboratory eyewash stations provide emergency decontamination for the eyes and face. If a hazardous substance enters or interacts with your eyes, you can use an emergency eyewash station to flush it out immediately.

Eyewash stations in laboratories should only be used for emergencies. When conducting experiments, you should first rely on personal protective equipment (PPE), such as goggles or face shields. Other pieces of equipment, like fume hoods, can vent harmful toxins or chemicals out of the lab to prevent contamination in the first place.

How Does an Eyewash Station Work?

Laboratory eyewash stations provide a continuous flow of water through two spouts to flush a person’s eyes in an emergency. Distilled, purified, or tap water can be used. No special filters are necessary. The water used in an eyewash station is usually cold or room temperature. 

The pressure of the water used in an eyewash station must be high enough for the water to flow up into the eyes. However, there is no standard flow rate required. How the unit is built and installed will determine the water pressure.

OSHA Eyewash Station Requirements

The Occupational Safety & Health Administration (OSHA) only lists one requirement for eyewash stations in standard 1910.151(c):

“Where the eyes or body of any person may be exposed to injurious corrosive materials, suitable facilities for quick drenching or flushing of the eyes and body shall be provided within the work area for immediate emergency use.”

Although that is the only enforceable legal standard regarding eyewash stations, OSHA recommends following the emergency eyewash and shower equipment standards outlined by the American National Standards Institute (ANSI)

Types of Eyewash Stations

There are multiple types of eyewash stations to choose from, including:

  1. Deck mounted eyewash stations: Mounted on a countertop; may include small sink or bowl or be installed alongside an existing sink
  2. Stand-alone eyewash stations: Mounted to a pedestal that is free-standing on the floor; includes small sink or bowl
  3. Wall mounted eyewash stations: Mounted directly to the wall; may or may not include small sink or bowl

Where Should an Eyewash Station Be Located in a Lab?

Eyewash stations are typically located by an existing sink to make use of the same drain. This makes deck mounted eyewash stations a popular choice. Stand-alone eyewash stations come with their own sink and drain, so they are typically located elsewhere

If eyewash stations do not require the use of an existing sink, they will typically come with their own sink or bowl attachment. Eyewash station bowls can be stainless steel or ABS plastic, and they may come with their own attached cover.

How to Use an Eyewash Station

The instructions for how to use an emergency eyewash station will depend on the type of model you choose. Certain deck mounted eyewash stations include a mechanism that turns the station on when you swing the eyewash spouts over the existing sink. Stand-alone or wall mounted eyewash stations may turn on at the push of a button or when you remove protective caps from the spouts.

How long you should flush your eyes depends on the type of chemical or irritant you were exposed to. The ANSI standards recommend that all eyewash stations should be capable of providing at least 15 minutes of flushing. Keep in mind that using an eyewash station is a form of first aid; further medical attention is typically recommended after the emergency has passed to determine any lasting damage or additional treatment.

What Is an Emergency Shower?

Emergency showers provide decontamination of a person’s entire body in laboratory settings through rinsing and drenching. Specific parts of the body may be targeted for emergency rinsing with the help of a detachable drench hose.

Types of Safety Showers

Safety showers typically fit in one of three categories:

  1. Free standing emergency showers: Mounted directly to the floor
  2. Vertical mounted emergency showers: Mounted directly to the ceiling; may be partially concealed in a finished ceiling
  3. Horizontal mounted emergency showers: Mounted directly to the wall; may include a detachable drench hose

Emergency showers may be installed with a drain. However, because most labs have epoxy or other highly durable flooring, cleanup of standing water is fairly easy and carries little risk of damage.

Combination Safety Stations

Some laboratories elect to buy safety stations that combine the effects of an emergency shower and an eyewash station. For example, an eyewash/drench hose unit provides the safety features of an eyewash station with a detachable drench hose in case of contamination of a larger body part. Other safety stations combine the drenching capabilities of a free standing emergency shower with the targeted flushing capabilities of a stand-alone eyewash station.

Why Buy an Eyewash Station or Safety Shower from iQ Labs? 

Our team at iQ Labs is proud to offer state-of-the-art WaterSaver safety station products. In addition to our strategic partnership with WaterSaver, iQ Labs manufactures our own laboratory casework, furniture accessories, specialized equipment, and safety features. We’re a one-stop shop for all of your laboratory safety needs. Contact us today to get started.

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