Acrylamide/bis-acrylamide Sodium dodecyl sulphate(SDS) Hazardous Substances Policy - Assessment CHEMICAL HAZARD AND RISK ASSESSMENT School of Biosciences Name of supervisor Professor GS Besra Assessor Dr Lynn G Dover Assessment Number* 2021 Date of Assessment 16/4/02 Signature Signature Notes A School COSHH form in Word is available on the School Server. Available from the Health and Safety Unit. Guidance on making an assessment is given in Making a Chemical Hazard and Risk Assessment. Guidance is also available from Guidance on Completing the Chemical Hazard and Risk Assessment Form. Use a continuation sheet to expand any section of this form in hard copy version. 1 LOCATION OF THE WORK ACTIVITY 2 PERSONS WHO MAY BE AT RISK E103 List names where possible Dr Lynn G Dover Dr William N Maughan Dr Sudagar S Gurcha Dr Petr Illarionov Dr Mark Guy Dr Henri Strating Mr Derek Lonergan Mr Alistair Brown Mr Kevin Gibson Mr Ian Daniels Miss Rosalind Wilson Miss Suzanne Senior Miss Janet Redman Mr Massoud Akkhtar 3 ACTIVITY ASSESSED 4 MATERIALS INVOLVED NAME Polyacrylamide gel electrophoresis of proteins & lipoglycans AMOUNT max/store d Attach copies of data sheet(s) HAZARD RISK PHRASES Acrylamide/bis-acrylamide 500g Carcinogenic Toxic R: 45-46-24/25-48/23/24/25 S: 53-45 Sodium dodecyl sulphate (SDS) 1kg Irritant Harmful Serious damage to eyes R: 20/22-42-36/37/38-41 S: 26-36-22 methanol 2.5 l Harmful Toxic Flammable R: 11-23/24/25-39/23/24/25 S: 7-16-36/37-45 Glacial Acetic acid 2.5 l Flammable Causes burns R: 10-35 S: 23-26-45 HAZDAT NO*** BIOSCIENCESNO*** Coomassie Brilliant Blue G 10g Irritant R: 36/37/38 S: 26-36-22 Bromophenol Blue 10g Irritant Harmful R: 21-36/37/38 S: 26-36-22 Tetramethylethylenediamine (TEMED) 100ml Harmful Causes burns Flammable R: 11-20/22-34 S: 16-26-36/37/39-45 Ammonium persulphate 100g Harmful Causes burns May ignite combustible material R: 8-34-22 S: 17-26-27-36/37/39 Dithiothreitol 100g Irritant Harmful R: 36/37/38 S: 26-36 Glycerol 2.5 l Irritant R: 36/38 S: 26-36 Urea 1kg Harmful Irritant R: 40-36/37/38 S: 26-36-22 5 INTENDED USE** Give brief details and attach protocol/instructions Polymerisation of polyacrylamide gels mostly containing SDS and sometimes up to 1.5M urea using 0.1% TEMED and >0.1% ammonium persulphate Samples to be prepared in buffer containing 10% glycerol, 100mM dithiothreitol and 0.1% bromophenol blue and are often boiled using a PCR thermocycler. Acetic acid (10%) and methanol (30%) to be used in fixing and de/staining. Stain contains 0.1% coomassie blue 6 RISKS to HEALTH and SAFETY from INTENDED USE From personal exposure or hazardous reactions. Refer to OELs, flash points, etc., as appropriate. Are pregnant women, breast-feeding mothers especially at risk? Acetic acid: Flash point 40C Methanol: Flash point 11C TEMED: Flash point 10C 7 CONCLUSIONS ABOUT RISKS Is level of risk acceptable? Can risk be prevented or reduced by change of substance/procedure? Are control measures necessary? Acceptable level of risk. Cannot substitute chemicals. See below for control measures 8 CONTROL MEASURES Additional to Good Chemical Practice Use Nitrile gloves and eye protection for handling acrylamide-containing solutions. Wear face mask for dispensing SDS powder Solutions of Acrylamide will be purchased in order to decrease the risk of inhalation 9 INSTRUCTION/TRAINING Specify course(s) and/or special arrangements. New staff/students to be trained by postdoctoral fellows where applicable. 10 MONITORING Performance of control measures, Personal exposure Health Surveillance Personal exposure should not occur if the control measures are observed. As Personal exposure. 11 WASTE DISPOSAL PROCEDURE See School Server for Approved Procedure Document on specific Chemical Waste Disposal. Polyacrylamide gels will be disposed of as solid waste Waste acrylamide solutions will be polymerized and disposed of via solid waste Destain will be disposed of via non-halogenated solvent waste route. 12 REVIEW Enter the date or circumstances for review of assessment (maximum review interval 5 years) Update names of users as changes occur 13 EMERGENCY ACTION TO CONTROL HAZARDS To stabilize situation eg spread absorbant on liquid spill; eliminate sources of ignition, etc. Use absorbent on spills of buffers, acrylamide and stain-destain solutions. Dispose absorbent from acrylamide spills as Special Waste and thoroughly wash affected area. Shut off sources of ignition where glacial acetic acid and methanol are involved. TO PROTECT PERSONNEL Evacuation, protection for personnel involved in clean-up, Special First Aid Inform other laboratory members to avoid the affected area during cleaning Those involved in cleaning should wear appropriate gloves (see above) TO RENDER SITE OF EMERGENCY SAFE See control hazards and personnel protection CONTACT Clean-up/decontamination Simon Ward GS Besra Ext. 45420 PHONE 58125 10.10.00 * ** *** Prefix T is used for Teaching Assessment Number. Please include amount of chemicals used and how. Hazdat No is the UNICOSHH datasheet report number. Biosciences No is the Biosciences data sheet number. UNICOSHH IS A CHEMICAL DATABASE ON THE HEALTH AND SAFETY UNIT SERVER. BIOSCIENCES DATA SHEETS ARE AVAILABLE IN THE SCHOOL SAFETY OFFICE.