Are you wondering about what are the 3 main regulations of COSHH? Conducting risk assessment, health surveillance on workers’ health, and taking adequate control measures are the three main COSHH (Control of Substances Hazardous to Health) regulations.
Millions of people face a global health and safety crisis due to occupational exposure to hazardous substances used in the workplace. COSHH has placed some key regulations on employers to control and minimise the use of such substances. It enforces health and safety guidelines in workplaces on minimising the use of hazardous substances.
Production of dangerous substances and chemicals is increasing day by day. Industries or workplaces that are using these substances are also expanding worldwide. In our informational guide, you will get all the helpful information you need to know to maintain the COSHH regulations in your workplace.
What IS COSHH?
COSHH stands for Control of Substances Hazardous to Health. It’s a vital part of the UK legislation that requires employers to control the use of and exposure to hazardous substances. COSHH regulations include planning, managing, and monitoring substances that are hazardous to health.
According to the International Labour Organisation (ILO), protecting the workers’ health from exposure to hazardous substances and ensuring them a safe work environment is essential. Many workers fall victim to exposure to such substances across the globe.
Health hazards, such as fatal diseases like cancer, organ failure, or poisoning from these dangerous substances, have become a global concern. Injuries or accidents involving fires or explosions are another one. It causes fatal damage to the environment as well. COSHH covers such substances at work.
What Does COSHH Do?

COSHH put together a set of rules and regulations on the use of hazardous substances in the workplace and how to control them. COSHH plays a significant part in protecting workers’ health from exposure to hazardous substances. It covers a wide range of these substances to take effective control measures.
What Substances Does COSHH Cover?
Hazardous substances, dangerous chemicals, or materials that are harmful to health are covered by COSHH. Such substances are:
- Dust, sawdust
- Hazardous chemicals
- Combinations of dangerous chemicals or substances
- Fumes or smoke from fire or explosions
- Vapours, mists, and gases
- Nanoparticles or nanomaterials
- Biological agents like germs, bacteria, viruses, etc.
What Substances Does COSHH Not Cover?
Some other hazardous substances cause serious damage to health and the environment. COSHH, however, does not cover such substances, such as:
- Asbestos
- Lead
- Radioactive substances
- Small asphyxiants, etc.
All these substances cause serious health hazards like respiratory diseases, allergies, infections, cardiovascular diseases, chronic illnesses like cancer, organ damage, or even death. It also causes fatal damage to the environment, making it difficult to maintain a sustainable environment.
What Are the COSHH Regulations?
COSHH regulations play an important role in ensuring occupational health and safety. Violation of COSHH regulations is considered a punishable act and a crime. Employers and employees are obliged to adhere to these workplace health and safety guidelines.
COSHH (Control of Substances Hazardous to Health) Regulations 2002
COSHH (Control of Substances Hazardous to Health) Regulations 2002 were amended in 2005. It requires employers to minimise the use of hazardous substances in the workplace. According to Regulations 6 and 7, employers must conduct COSHH risk assessments and take adequate control measures to minimise risks.
According to COSHH Regulation 11, employers must conduct surveillance on workers’ health. The level and duration of exposure workers have to such substances. These are the three main COSHH regulations. Other than these, COSHH regulations also provide workers with adequate training.
It is important to inform workers in the workplace about COSHH regulations. These regulations also prepare workers to take preventive measures when encountering workplace emergencies, incidents, or accidents.
What Are the 3 Main Regulations of COSHH?
COSHH regulations are set out under the UK legislation to ensure the physical well-being of workers in the workplace. As you already know about the COSHH regulations, you must be thinking about the key regulations.
There are three key regulations of COSHH. Let’s take a look at them.
Risk Assessment (Regulation 6)
The first and foremost regulation of COSHH is the risk assessment. Conducting risk assessments is an integral part of COSHH. These assessments identify workplace hazards, potential risks due to exposure to hazardous substances, and other health and safety concerns.
Some essential areas that are covered by COSHH risk assessments are,
- The amount of hazardous substances used in the workplace
- The level of exposure workers have to hazardous substances
- The effects of exposure to such hazardous substances
- The duration of exposure to such dangerous substances
- Identifying risks and potential risks to prevent further workplace hazards
- The possibilities of these substances getting exposed to workers through inhalation, ingestion, skin-to-skin contact, or absorption
- Identifying those who are more vulnerable to such exposures
Control Measures (Regulation 7)
The second key regulation of COSHH is to take control measures to prevent workplace hazards. After reviewing the assessment, you will get an overall knowledge of the workplace risks and the potential risks.
Some key aspects that are covered in this part of the regulation are,
- Deciding what control measures will be effective for different substances
- Making lists of substances that are severely hazardous and classifying them accordingly
- Categorising substances according to their level of exposure
- Categorising substances according to their duration of exposure
- Implementing Workplace Exposure Limit (WEL) in the workplace
- Implementing practical solutions to workplace emergencies, incidents, and accidents
- Limiting the use of hazardous substances to as low as possible

Health Surveillance (Regulation 11)
The third key regulation of COSHH health and safety guidelines is to conduct surveillance on workers’ health. It ensures the physical well-being of workers and prevents them from working in unhealthy conditions.
Preparing plans and procedures to conduct appropriate health surveillance is a crucial part of COSHH. The plans must be adequate and aligned with the control measures. Doing surveillance on the control measures is also crucial.
Health surveillance helps with the following aspects:
- Workers who are most vulnerable to the use of and exposure to hazardous substances
- Workers who have previous health conditions that make them more vulnerable to such substances. For example, workers with asthma are more vulnerable to dust, sawdust, fumes, vapours, mists, or gases
- Workers who need first aid or other emergency aid after these exposures
- The intensity of workplace injuries, incidents, and accidents
- Work conditions that are unsafe and can cause damage to health and the environment

COSHH regulations play an essential role in ensuring the health of workers. There are several health and safety regulations that are placed in workplaces across the UK. The main purpose of such regulations is to protect workers from workplace hazards. It ensures them a healthy and safe work environment as well.
Why Are the COSHH Regulations Important?
COSHH regulations are important for ensuring a healthy and safe work environment. Nowadays, the production of hazardous substances and their use in the workplace are expanding rapidly. Global health and safety have become a major concern for employers and employees.
There are many reasons why COSHH regulations must be maintained in an adequate manner, such as:
- COSHH regulations include COSHH risk assessments that identify workplace hazards and potential risks. It prevents workers from workplace injuries or damage
- COSHH includes taking effective control measures. It helps minimise both the use of and exposure to hazardous substances and chemicals
- COSHH includes legal obligations so that employers and employees adhere to its guidelines properly
- It provides workers with adequate COSHH training for emergencies and supports them with aids
- It instructs workers on how they can maintain COSHH regulations and protect their health and safety at work
- COSHH includes monitoring the level and duration of exposure to hazardous substances
- It includes health surveillance of workers to ensure their physical well-being
- It ensures the overall well-being and productivity of workers and the workplace
COSHH regulations are placed by the UK legislation that must be followed by everyone working in workplaces across the United Kingdom.
Frequently Asked Questions
What is Regulation 10 of COSHH?
COSHH Regulation 10 states that employers must conduct surveillance on the level of exposure workers have to hazardous substances. Monitoring the exposure of workers to substances that are dangerous to their health is important. How to monitor this can be found in the COSHH regulation guidelines.
What are the 5 steps of COSHH compliance?
The five main steps of COSHH compliance are:
✅ Conducting risk assessments to identify potential hazards
✅ Selecting effective control measures to minimise risks
✅ Monitoring workplace exposure to hazards and conducting health surveillance
✅ Reviewing risk assessments, updating policies, and maintaining legal requirements
✅ Informing workers on COSHH regulations and giving them training
What are the main principles of COSHH good control practice?
The main principles of COSHH good control practice are minimising emissions, considering routes of exposure, and choosing control measures compatible with the risks. Some other principles include choosing effective control measures and using personal protective equipment (PPE). Providing information and training is also an essential principle of good control practice.
Conclusion
In a world where everyone is conscious about their occupational health and safety, maintaining COSHH regulations is crucial. So, what are the 3 main regulations of COSHH? They are risk assessment, control measures, and health surveillance.
According to the Health and Safety at Work etc. Act 1974, every workplace needs to maintain a safe work environment. It has to include adequate training, information, instruction, and supervision when it comes to working with hazardous substances. According to COSHH regulations, industries using hazardous substances must minimise their use.
The level and duration of exposure to these substances have a major effect on workers’ health. To protect them from fatal diseases, injuries, and life-altering incidents, COSHH regulations include control measures.




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