Control of Substances Hazardous to Health (COSHH) procedure

  • This procedure sets the consistent way Hampshire County Council manages the exposure of its employees, service users, contractors, volunteers, members of the public or any other persons to substances hazardous to health arising out of its activities. This procedure does not cover exposure to asbestos or legionella, which are dealt with in separate procedures
  • It sets a council-wide method for identifying, avoiding, assessing and controlling exposure to substances hazardous to health as defined by the Control of Substances Hazardous to Health Regulations 2002 (COSHH). This procedure should ensure compliance with COSHH and its Approved Code of Practice L5
  • This procedure replaces the previous corporate COSHH procedure
  • This procedure applies to any exposure from the purchasing, handling, storage and use of any substance hazardous to health; to any exposure to a substance hazardous to health as a waste product or by-product of another process; and to any work-related exposure, accidental or deliberate, to a biological agent

This procedure replaces all previous corporate construction policies and procedures relating to the control of substances hazardous to health.


The following terms should be used when interpreting and applying this procedure and the COSHH Regulations.

  • COSHH Regulations - the COSHH Regulations 2002 as amended and Approved Code of Practice and supporting guidance L5
  • Control measure - any measure taken to reduce exposure to a substance hazardous to health, including hardware and software systems and PPE
  • Health surveillance - a system of ongoing health checks that may be required by law if employees are exposed to hazardous substances or activities that could cause them harm.  It can detect ill health effects at an early stage and highlight failures in workplace control measures
  • Monitoring - measurement or assessment of the physical exposure of employees to a substance hazardous to health through e.g. air sampling, water sampling, etc., (measuring the substance in the workplace or the environment)
  • Personal Protective Equipment (PPE) - all equipment, including clothing, which is worn or held by a person at work to protect them as an individual from exposure to substances hazardous to health
  • Respiratory Protective Equipment (RPE) - PPE specifically designed to prevent or reduce the risk to workers from inhaling substances hazardous to health. This includes disposable dust masks and high-efficiency equipment  such as canister respirators and breathing apparatus
  • Substance hazardous to health - any material which has a workplace exposure limit (WEL); biological agents such as a virus, bacteria or fungus; and any otherwise non-harmful dust present in the air in significant amounts
  • Thorough examination - a thorough inspection and, where necessary, testing of a control measure by an independent, competent person
  • Workplace exposure limit (WEL) - this is an occupational exposure standard for chemicals and materials which can be inhaled.  WEL’s are found in EH 40/2005
Full procedure

Download the full corporate Control of Substances Hazardous to Health (COSHH) procedure.