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COSHH register

For the helpdesk team

COSHH (Control of Substances Hazardous to Health) requires schools to maintain a register of hazardous substances on-site, with the relevant Safety Data Sheets (SDS) and control measures documented.

  • Reference — auto-assigned. Helpful when cross-referencing in RAs.
  • Name — substance trade name.
  • Manufacturer — who makes it.
  • Hazard class — corrosive, flammable, toxic, etc. UN/CLP categories.
  • Hazard pictograms — the GHS symbols on the bottle.
  • Where used / who uses it“science lab, technicians and authorised teachers only”.
  • Storage location“locked chemical cupboard, prep room”.
  • Risk assessment — link to the RA covering its use.
  • Control measures — ventilation, PPE, training requirements.
  • First aid information — what to do if exposed.
  • Disposal method — special waste route.
  • Review due — date the SDS / risk assessment needs revisiting.
  • SDS attachment — the PDF SDS from the manufacturer.
  • Is active — flag. Substances no longer in use stay in the register but with is_active = false.

Review whenever:

  • The substance is reformulated (new SDS issued by manufacturer).
  • The use case changes (new activity it’s now used for).
  • An incident involving the substance occurs.
  • Two years pass — the standard COSHH review cycle.

Substances with review_due in the past sort to the top of the index.

  • The register is for substances brought onto site for use. Naturally-occurring hazards (asbestos in old building fabric, etc.) belong in an asbestos register, not here.
  • Don’t delete entries when you stop using a substance. Mark inactive — RIDDOR / occupational-health investigations may need to know what was on site historically.
  • The SDS file is the manufacturer’s responsibility — make sure you have the current version. If the SDS is more than 2 years old, request a fresh one.