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5 Health Risks of Not Maintaining Emergency Showers and Eyewashes

Contributor: Hughes Safety Showers

Image courtesy of Hughes Safety Showers

In the US, more than 30 million people work in workplaces where chemicals are used and handled. In addition to being exposed to chemicals, these people also run the risk of further health issues, should the safety equipment these businesses have in place not be regularly maintained. The impact can be severe – life-changing injuries, permanent disabilities, and in the worst scenarios, death.

The following is a guide to the five most common effects and health risks of not having safety showers and eye washes properly maintained or regularly serviced, alongside the health risks this could lead to should staff need to use the safety equipment.

1. Sediment Build-Up in Pipes

Effects

  • If a unit isn’t being used frequently, stagnant water can sit in the pipework and cause a build-up of sediment.
  • You can prevent this through a weekly activation test which flushes away any sediment, and stagnant water from the pipework, nozzles and eye wash diffusers.

Risks

  • It can impact the safety shower or eye wash’s water pressure, flow rate and spray pattern – causing the unit to malfunction or not work at all. And if it can’t function correctly, it can’t work to limit the effects when skin comes into contact with chemicals.
  • The water delivered by the unit will be contaminated, with the built-up sediment being sprayed out. This can heighten the risk of an even more serious injury – particularly with eye washes.

2. Bacteria in Standing Water

Effects

  • There could be a problem with the mains water supply being contaminated.
  • If you’ve got a unit that’s not regularly used or fully flushed, stagnant or standing water can lead to the formation of biofilm – a thin layer of mucilage, containing bacteria and other microorganisms, that adheres to solid surfaces.
  • The types of bacteria found in stagnant water typically include Legionella, acanthamoeba and Pseudomonas.
  • Similarly, with emergency tank showers – the water inside is at risk of becoming stagnant if they’re not used frequently or activated on a weekly basis. Water tank chlorination, as well as non-chemical water treatment sticks, can help disinfect and clean the water – effectively killing most pathogenic bacteria.

Risks

  • Acanthamoeba can cause acanthamoeba keratitis (AK), which is an infection of the cornea – the clear front part of the eye. It can be extremely painful.
  • Pseudomonas can result in a variety of infections, including to the eyes, lungs, muscles, skin and tissue.
  • Legionella can cause Legionnaires disease. If untreated, someone affected by Legionnaires will find their condition worsens during the first week. It can lead to severe illness.

Image courtesy of Hughes Safety Showers

3. Emergency Shower High Water Pressure

Effects

  • Water pressure-related issues are caused by on-site supply. Fortunately, they can be resolved fairly easily with the addition of a pressure-reducing valve (PRV).

Risks

  • When someone comes into contact with a hazardous substance, it’s recommended they stay under the flow of water for at least 15 minutes to ensure a thorough decontamination. If the water pressure is too high, this will be extremely uncomfortable or even painful to endure.
  • With an eye wash in this scenario, the natural instinct would be to draw the head away from the nozzles – meaning any hazardous material or substance wouldn’t be flushed out.

4. Inconsistent Water Flow Pattern

Effects

  • There could be inconsistent water pressure on site.
  • The unit not being serviced at regular intervals.
  • As we covered in point 1., a build-up of sediment can impact flow pattern and rate.
  • If the water quality is poor, the aerators could become blocked which will have an impact. Utah, Wyoming, Colorado, Kansas, Texas, New Mexico, and Arizona have the highest water hardness in the country – rated as ‘very hard water’ (10.5+ Grains per Gallon). Surrounding states, and Florida are classed as ‘hard water’ states – with 7-10.5 Grains per Gallon.
  • On an eye wash, we recommend replacing the eye wash diffusers every six months to ensure the unit delivers the correct flow rate and functions correctly.

Risks

  • If the flow pattern isn’t at the correct width or height levels stipulated by ANSI standards, it just won’t rinse effectively – and it’ll be non-compliant. For example, if water was to flow in a straight line, it wouldn’t reach a user’s shoulders. So, it wouldn’t be capable of decontaminating chemicals from a user’s skin.

5. Missing/Damaged Eye Wash Dust Covers/Lids

Risks

  • The aerators on an eye wash can become blocked or clogged with external contaminants. These particles could enter the user’s eyes, which would worsen the injury.
  • During this kind of situation, someone’s natural reaction would be to remove their eyes/face away from the flow of water – which would leave them unable to rinse the chemical spill.

For over 50 years, Hughes has kept workers safe. The company was born of innovation in site safety and has been at the forefront of emergency safety shower, eye/face wash and decontamination equipment design and manufacturing ever since. Through customer engagement and understanding, Hughes delivers premium quality products and customized solutions to provide workers with a safer working environment, greater protection against serious injury, and peace of mind that companies are compliant with crucial safety standards. www.hughes-safety.com/us

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