Chemistry 20 Teacher S Guide s8

SAMPLE Task Hazard Analysis Using a Lawn Mower

NAT: NATURAL RESOURCES Agriculture

TASK Using a Lawn Mower

HAZARDS Potential Hazards Possible Consequences

Physical  electrical  shock  fire and explosion  burns  lifting and handling loads  muscle strains  noise  hearing problems  repetitive motion  bruising  slips, trips, and falls  cuts and scrapes  moving parts  pinching  vibration  eye irritation  repetitive motion injuries

Chemical  flammable and combustible materials: gasoline  burns  fumes: gasoline  respiratory problems  poisons/toxins: gasoline  eye irritation  poisoning

Biological  allergens: plants/pollen  respiratory problems  bacteria/viruses  eye irritation  blood  skin irritation  body fluids  allergic reaction  fungi/moulds  illness  parasites  sewage

Ergonomic  repetitive motion  muscle strain and stiffness  heavy lifting  cuts  sharp tools  bruising  vibration  heavy lifting

Psychological  fatigue  anxiety  stress  inattentiveness  poor morale  increased illness

Pre-operational Safety Checks  Inspect the work area for hazards.  Inspect tools, equipment, and materials for damage and other hazards.  Inspect PPE and replace if required.  Report any hazards.  Check for electrical cord damage, where applicable.

Safe Work Procedure Cautions

1. Put on required PPE.  Do not breathe vapours.

2. Secure loose clothing, and tie back long hair.  Turn off the machine when checking underneath or if rocks get caught. 3. Follow the manufacturer’s instructions.

4. Follow the school safety policy.

5. Put away all tools, equipment, and materials in their proper storage areas.

6. Keep your work area clean as you work and make sure to clean up when you are done.

7. Establish handwashing practices.

REPORT ANY HAZARDOUS SITUATION IMMEDIATELY! If an emergency occurs while completing any task or the tool or equipment malfunctions, shut off the power immediately, follow the lock-out procedure, and get help.