1. Corrosives

2. Common corrosive acids
Sulfuric acid – battery acid, drain opener, cleaner
Acetic acid – contained in vinegar
Hydrochloric acid – also called muriatic acid 1a

3. Common corrosive acids
Nitric acid – also an oxidizing agent
Chromic acid
Hydrofluoric acid – a very strong acid that can be used to etch glass
Corrosive acids you work with 1b

4. Common corrosive bases
Ammonium hydroxide – contained in household ammonia products
Potassium hydroxide – potash
Sodium hydroxide – lye 1c

5. Common corrosive bases
Calcium hydroxide – hydrated lime
Sodium carbonate – soda ash
Corrosive bases you work with 1d

6. Recognizing corrosives
Corrosives can be liquids, powders, pellets, or gases
Most have a strong, irritating odor 2a

7. Recognizing corrosives
Read the label
Litmus paper test 2b

8. Chemistry of corrosives
Can be either acids or bases
Chemically reactive
Contact with metal
pH level 3

9. Health hazards of corrosives
Explained in MSDSs
Chemical burns to skin and the mucus membranes of your eyes, nose, mouth, and respiratory tract 4a

10. Health hazards of corrosives
Respiratory ailments due to a build up of fluid in the lungs
Poisoning, many corrosives are toxic 4b

11. Physical hazards of corrosives
Explained in MSDSs
Reactive with many materials. Many react with water
Combustible or flammable, can easily ignite and burn 5

12. Engineering controls Ventilation systems Chemical transfer equipment

13. Personal protective equipment (PPE)
See MSDSs for PPE recommendations
You must be trained in use and demonstrate understanding 7

14. Safe work procedures Refer to MSDS for handling information
Take fire prevention precautions
Remove all jewelry
Use only the amount you need 8a

15. Safe work procedures Dispense from one container at a time
When mixing, always add the corrosive to the water
Be cautious about skin contact 8b

16. Safe storage procedures
Refer to MSDS for storage information
Store in original container 9a

17. Safe storage procedures
Storage areas should be well-ventilated
Inspect containers for damage prior to use 9b

18. Proper clean-up and disposal procedures
Report all leaks and spills
Follow all instructions
10a

19. Proper clean-up and disposal procedures
Collect waste corrosives in proper containers
Refer to MSDS for clean-up and disposal information
10b

20. Proper first aid and emergency procedures
Refer to MSDS for first aid and emergency information
Workers overexposed to corrosives must be removed to an area with fresh air
11a

21. Proper first aid and emergency procedures
In case of direct contact flush the affected area with plenty of clean water for at least 15 minutes
Medical attention may be necessary
11b