Whsmp · OPW16/0021

                                                                           SWMS:14 – Hazardous Substances & Dangerous Goods (General)
Risk Matrix
   Perform a risk assessment for each hazard identified by:
       (i)     Determining the consequences (refer Table 1);
       (ii)    Determining the probability of the event occurring (refer Table 2);
       (iii)   Apply the values obtained from Tables 1 & 2 to the Qualitative Risk Matrix (Table 3) to obtain the resultant Risk Score and Level.

Table 1 – Consequence                                                                                 Table 2 - Likelihood
 Level         Descriptor     Example detail description                         $$$ Example
                                                                              Low Financial Loss          Level            Descriptor                      Description                             Frequency
   1       Insignificant        No Injuries
                                                                                   <$500
                                First aid treatment, on-site
                                                                            Medium Financial Loss                                           The event is expected to occur in most
   2       Minor                release immediately                 &/or                                      A      Almost Certain                                                         More than once per year
                                                                               $500 - $5,000                                                circumstances
                                contained
                               Medical treatment
                               required, on-site release                      High Financial Loss                                           The event will probably occur in most
   3           Moderate                                             &/or                                      B      Likely                                                                 At least in once 5 years
                               contained with outside                          $5,000 - $25,000                                             circumstances
                               assistance
                               Extensive injuries, loss of                                                    C      Possible               The event might occur at some time              At least once in 10 years
               Major           production capability, off-                   Major Financial Loss
   4                                                                &/or
                               site release with no                          $25,000 – $200,000
                                                                                                              D      Unlikely               The event could occur at some time              At least once in 30 years
                               detrimental effects
                               Death, toxic release off-site                  Huge Financial Loss                                           The event may occur only in exceptional         Less than once in 30
   5           Catastrophic                                         &/or                                      E     Rare
                               with detrimental effect                           >$200,000                                                  circumstances                                   years




Table 3 – Risk Level / Priority
                                                                                                                                            Legend
                                                                             CONSEQUENCES                                                     E: extreme risk; immediate reaction required (18-25)
         LIKELIHOOD
                              Insignificant                Minor                Moderate              Major            Catastrophic           H: high risk; senior management attention needed (10-17)
                                    1                        2                     3                   4                    5                 M: moderate risk; management responsibility must be
    A (almost certain)            H   11                   H   16                  E   20             E   23                  E   25          specified (6-9)
    B (likely)                    M     7                  H   12                  H 17               E   21                  E   24          L: low risk; manage by routine procedures (1-5)
    C (possible)                  L    4                   M   8                   H 13               E   18                  E   22
    D (unlikely)                  L    2                   L   5                   M    9             H   14                  E   19

    E (rare)                      L    1                   L   3                   M    6             H   10                  H   15




584 Milton Road TOOWONG QLD 4066                                           SWMS Developed by:       Jamie Gilbert                                                                     VERSION 6 – September 2015
P: (07) 3335 5000 F: (07) 3335 5005                                        Position:                National Health & Safety Co-ordinator                                                               Page 114
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