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Figure 3 (a) shows a risk assessment table for a laboratory activity. It identifies the hazard type (chemical, electrical, other) each with one or more specific hazards. The associated risks are classified as tolerable, moderate, serious or intolerable.

Figure 3 (b) shows the laboratory activity – it involves a beaker containing a blue liquid and two metal strips. The strips are part of a circuit containing a power supply and two electrical meters. The experiment is wearing gloves whilst recording measurements.

 Example 1 Assessing risk