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Indoor Air Quality is a broad subject area that encompasses the quality of air that we breathe in the general work environment, the control of hazardous substances from operational processes and the maintenance of critically controlled environments in healthcare, manufacturing and research and development facilities.

Air Quality

This includes

  • Local Exhaust Ventilation (LEV) Systems
  • Safety Cabinets
  • Clean Rooms
  • Healthcare Theatres
  • Supply and Extract Ventilation
  • Kitchen Grease Extract Ventilation

There are a wide range of factors that can influence the effectiveness and performance of these systems in their operation.

These include

  • Correct Specification, Design and Installation
  • Maintenance
  • Performance Monitoring and Testing
  • Operator Misuse
  • System Cleanliness e.g. dusts, grease and microbiological contamination
  • Pollutants e.g. VOCs, Nitrogen Dioxide, Carbon Monoxide, allergens and dusts

YOUR RESPONSIBILITIES AND THE LAW

Current Legislation

  • Health and Safety at Work Act 1974
  • The Workplace (Health Safety and Welfare) Regulations 1992
  • The Control of Substances Hazardous to Health (COSHH) Regulations 2002

Guidance and Technical Standard

  • HSG258 Controlling Airborne Contaminants at Work
  • Health Technical Memorandum 03-01: Specialised Ventilation for Healthcare Premises
  • HVCA Guide to Good Practice, Internal Cleanliness of Ventilation Systems TR19
  • BS EN 12021 Compressed Air for Breathing Apparatus
  • BS EN 14644 ISO Standards for Clean Rooms and Clean Zones
  • BS EN 14175 Fume Cupboards
  • BS EN 12469 Bio-Technology Performance Criteria for Biological Safety Cabinets