University of Leicester Department of Engineering Safety Office Use Ref no..................................... Date Received........................ COSHH Assessment 1. Person completing form name: Graham Clark position technical staff 2. Hazardous substance (or group of substances) description: Keller's reagent ( By vol. 100% nitric acid, 50% hydrochloric acid, 1.5% hydrofluoric acid) Due to the fact that this contains hydrofluoric acid an alternative etch should be sought. Class of Hazard Harmful Toxic Very Toxic Irritant Corrosive Carcinogen Highly Flammable Explosive Other hazards: Corrosive to glass Teratogen Health effects: Very toxic by inhalation, skin contact and if swallowed causes severe burns. Mutagen HAZARD CATEGORY medium Can an explosive atmosphere form? no If yes are DSEAR measures in place? Is the substance on the Anti terrorism Crime and Security Act 2001 pathogen/toxin list? no Are there exposure limits for the substances no If yes state them 3. Use of hazardous substance where used: Materials Lab. Nature of use: Etching of aluminium specimens for metalurgical examination. By whom used: trained staff / pg students 4. Exposure Potential Quantity used: <10mg Physical charateristics affecting exposure Containment (excl. fume cupbrd, etc.) Frequency of use Overall Exposure Potential 10mg - 1g Dense solid Non volatile liquid closed system Occasional 1g - 100g Dusty solid Volatile liquid part closed system Frequent >100g Gas / Aerosol Highly volatile liquid open system Continuous low 5. Risk Assessment Route(s) of contact Skin Assessment of risk to health Eyes Inhalation Ingestion Other State low 6. Precautions Necessary In Handling And Use Hand protection variety: Gloves Respiratory protection variety: Eye and Face protection variety Safety face mask State other precautions: Use fume cupboard Specialist clothing variety: Other state: Use written protocol Special storage precautions: Do not store. Disposal: Via chemical disposal. copy attached 7. Emergency Procedures in case of spillage Wear appropriate protective clothing. Spread calcium carbonate or calcium hydroxide. Transfer to container and then chemical disposal. Other specified emergency procedures First Aid: Standard Non standard State:Treat as for hydrofluoric acid burn - Use calcium gluconate gel. 8. Information, Instruction And Training Source of information: MSDS Training required: General laboratory training Other OtherData sheet. StateRead data sheet. 9. Final Assessment Risk to health is: Unlikely Significant but adequately controlled significant but controls needed Unknown 10. Actions To Implement This Assessment State: Are any of the following required? Monitoring of exposure Health surveillance air monitoring Is a copy to be sent to the Safety Office? . If yes, date sent . Assessment review date 11. Authorisation NameGraham Clark Date14-12-2009 online COSHH form v2.2 27/02/09