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  • 5 Types of Laboratory Hazards

5 Types of Laboratory Hazards

Apr 20 2021

While laboratories are generally considered safe workplaces, hazard exposure is exceptionally high. To ensure the safety of themselves and others, personnel must adhere to strict guidelines when coming into contact with hazardous materials. Below, we take a look at some of the most common types of laboratory hazards and how they’re managed.

Infectious diseases

Infectious diseases and viruses, particularly those with high R0 ratings, are considered major hazards. When handling these types of pathogens laboratories must comply with strict health and safety protocols, often enforced by government agencies. For example, in the United States all laboratories experimenting with genuine samples of coronavirus must have Biosafety Level 3 certification and be equipped with special airflow systems and sterilisation equipment. 

Corrosive chemicals

Hydrochloric acid, sodium hydroxide, imidazole and bromine are all highly corrosive chemicals that can cause serious damage if they come into contact with the skin or eyes. To minimise the risks associated with handling corrosive chemicals laboratories enforce strict labelling and storage protocols. Personnel are also required to wear adequate PPE, including gloves and safety glasses, when handling corrosive chemicals.

Flammable materials  

While useful, materials such as methanol, ethanol, acetone and hexane are highly flammable and should always be treated with caution. The use of open flames in laboratories should always be closely monitored, especially in the presence of flammable solvents. In addition to flammable materials, laboratories must also be wary of pyrophoric substances that can spontaneously ignite when exposed to oxygen, without the need for an open flame. This includes alkali metals, white phosphorus and lithium aluminium hydride.


Used in glass thermometers and barometers, mercury is a common chemical in laboratories but needs to be handled with care as it is also a major health and safety hazard. Inhalation of mercury vapours can damage the digestive, immune and nervous systems and in a worst case scenario result in fatality.

Laboratory waste

All laboratories handling hazardous materials should have robust, government-approved waste disposal strategies in place. This ensures that hazards are not only mitigated inside the laboratory, but also when they exit the controlled environment.

From flammable liquids to infectious disease samples, Bio Safety Cabinets (BSCs) are an essential laboratory product when it comes to containing hazards in a laboratory setting. Not only do they safeguard personnel against pathogens, infectious agents and biohazards by filtering inflow and exhaust air, but they help maintain the integrity of materials. Direct contact with hazardous materials means BSCs require a specialised approach to sterilisation. VÍctor Lázaro from Azbil Telstar Technologies S.L.U. explores the topic further in ‘Decontamination Methods for Bio Safety Cabinets.’

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Labmate UK & Ireland April2021

April 2021

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