UCS Risk Assessment

							                                               RISK ASSESSMENT
Show/workshop: Uncovering Chemical Secrets                                                                             Date: September 2006

Activity /           Hazard               Persons in   Severity x Likelihood = Risk Level   Control Measures             Safety Advice to be
Materials                                 Danger                                                                         given to pupils
Cut/peel fruit       Cut/abrasions        Students     low           low        low         Advice                       Ease of cuts. In event,
                                                                                                                         call demonstrator.

                                                                                                                         Observe instructions.
Assemble             Breakages            Students     low           low        low         Advice and supervision       Ask for help if unclear.
apparatus


Steam generation     Burns                Students     medium        low        medium      Advice and close             Introductory talk.
(if using a steam                                                                           supervision - cold water     Constant supervision.
generator)

Separation of        Splashes of          Students     low           low        very low    Wash with soap and           Introductory talk.
products             limonene,                                                              water
                     menthone or
                     clove oil

Testing products     Bromine water        Students     medium        low        medium      Wear gloves (rubber).        Instructions in talk -
with bromine water   splashes                                                               Wash hands with soap         demonstrator to
                                                                                            and water.                   supervise.
                                                                                            Use eye protection

Using dilute         Splashes of alkali   Students     High          Low        Medium      Wear gloves. Wash            Instructions in talk -
sodium hydroxide                                                          splashed skin with water.   demonstrators to
(2 mol dm-3)                                                              Use eye protection          supervise.

Using dilute acid   Splashes of acid   Students   medium   low   medium   Wear gloves. Wash           Instructions in talk -
(HCl 2 mol dm-3)                                                          splashed skin with water.   demonstrators to
                                                                          Use eye protection          supervise.

Testing products    Splashes of        Students   low      low   low      Wear gloves. Wash           Instructions in talk -
with 2,4 DNP        chemical                                              splashed skin with water.   demonstrators to
                                                                          Use eye protection          supervise.
Testing products    Splashes of        Students   medium   low   medium   Wear gloves. Wash           Instructions in talk -
with Fehlings       chemical, burns                                       splashed skin with water.   demonstrators to
Solution            using water bath                                      Use eye protection          supervise.
                                                                          Acidify products of test
                                                                          with dilute acid and wash
                                                                          away.
Testing products    Splashes of        Students   medium   low   medium   Wear gloves. Wash           Instructions in talk -
with Tollens        chemical, burns                                       splashed skin with water.   demonstrators to
reagent             using water bath                                      Use eye protection          supervise.
Testing products    Splashes of        Students   low      low   low      Wear gloves. Wash           Instructions in talk -
with sodium         chemical                                              splashed skin with water.   demonstrators to
hydrogencarbonate                                                         Use eye protection          supervise.
solution
Testing products    Splashes of        Students   medium   low   low      Wear gloves. Wash           Instructions in talk -
with iron III       chemical                                              splashed skin with water.   demonstrators to
chloride solution                                                         Use eye protection          supervise.