Control of Substances Hazardous to Health - COSHH Level 2 (VTQ)

49 videos, 2 hours and 3 minutes

Course Content

Mixing of Chemicals

Video 19 of 49
3 min 4 sec
Want to watch this video? Sign up for the course or enter your email below to watch one free video.

Unlock This Video Now for FREE

This video is normally available to paying customers.
You may unlock this video for FREE. Enter your email address for instant access AND to receive ongoing updates and special discounts related to this topic.

Risks of Mixing Chemicals in the Workplace

Understanding Chemical Reactions

It's crucial to recognize the dangers associated with mixing chemicals in the workplace. Even seemingly harmless combinations can pose significant risks.

Unforeseen Reactions

Some chemicals, when combined, can undergo reactions leading to explosive or corrosive outcomes, which may not have been anticipated in risk assessments.

Case Study: Chlorine Gas Incident

An illustrative example is the tragic case of an office cleaner who inadvertently mixed bleach-based cleaners, resulting in the production of chlorine gas, a highly toxic substance.

Health Effects of Chlorine Gas Exposure

Exposure to chlorine gas can cause severe respiratory and mucous membrane irritation, leading to coughing, breathing difficulties, and in extreme cases, even death.

Immediate symptoms: Burning eyes, throat, and nose, coughing, breathing problems.

Severe effects: Chest pain, vomiting, pneumonia, fluid in the lungs, potential fatality.

Skin effects: Pain, inflammation, swelling, blistering upon contact.

Preventing Accidents

Accidents involving chemical mixing can be prevented by adhering to safety precautions and avoiding the combination of incompatible substances.

General Advice for Chemical Safety

Do's and Don'ts:

  • Do not mix bleach and ammonia.
  • Avoid mixing bleach with acids.
  • Do not combine different drain cleaners.

Consulting Safety Measures

If unsure about chemical compatibility, always refer to safety data sheets and seek guidance from managers or chemical manufacturers.