| recognition-hazard control-and hazard assessment | | | | Don’t try to jump to the lower hazard |
| cycle is an ongoing process and should be | | | | control in the above hierarchy when we are |
| improved continuously. Identified hazards are | | | | attempting to choose hazard control. We have to |
| useless unless followed up and appropriate | | | | start from number 1, 2 and up to 5. Hazard |
| controls are provided. Hazard control ideally could | | | | control number 2 to 5 could not eliminate the |
| eliminate hazards from the sources. | | | | hazards and it means the hazards still exist. |
| However, not all hazard controls have same | | | | If hazard elimination, reduction and engineering |
| capability in eliminating, reducing or controlling | | | | control are not feasible, implementing |
| hazards. Some hazard controls are powerful than | | | | administrative control, such as providing SOP, and |
| others. What we have to do is following hazard | | | | appropriate personal protective equipment would |
| control hierarchy, which is mentioned below, | | | | be the choices. Next, we should evaluate their |
| ensuring that we have tried through the best | | | | effectiveness on controlling hazards. |
| method to eliminate hazards. | | | | However, at the field we will often combine one |
| 1. Hazard elimination | | | | hazard control with another. Generally, personal |
| 2. Hazard reduction | | | | protective equipment will always be used in |
| 3. Provide engineering controls | | | | conjunction with other hazard controls. Because |
| 4. Using administrative controls | | | | PPE compensates weakness of other hazard |
| 5. Wearing Personal Protective Equipment (PPE) | | | | controls. |