The flowchart below details the process to follow when you intend to carry out an activity that involves substances hazardous to health and will help you decide which type of assessment is required.
If you have any difficulty reading the detail in the image below click on it to open a pdf version, which has hyperlinks to guide you through the decision making process.
More detailed information on CoSHH Assessment is available here.
Lab Noticeboards - ensure these reflect the right hazard level for the activity
EH40 - Containing the list of Workplace Exposure Limits (WELs) for use with the Control of Substances Hazardous to Health Regulations 2002 (as amended)
COSHH Approved Code of Practice and Guidance (link to full HSE document)
Extract from the ACOP and Guidance relating to Risk Assessment (ACOP and Guidance 6 p20-22)