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Understanding an M.S.D.S.
The Stone Shop

Class D -- combustible metals: Requires special extinguishing compounds.

4. Special Fire Fighting Procedures: This tells us if any special materials or equipment or methods are need to fight this type of fire.
5. Unusual Fire and Explosion Hazards: Any unusual fire or explosive nature of this chemical will be listed here.

Section V- Reactivity Data

1. Stability: How stable is the chemical? It will indicate conditions such as heat, pressure or shock to be avoided when storing, using or transporting the chemical.
2. Incompatibility: Delineates which chemicals or conditions to avoid.
3. Hazardous Decomposition: When the chemical decomposes it may release certain hazardous products which will be listed here.
4. Hazardous Polymerization: This tells us what happens when this chemical comes in contact with other chemicals which could cause a problem.

Section VI- Health Hazard Data

1. Route(s) of Entry: Explains how the chemical can enter our body, either by breathing it in, contact through your skin and eyes or by being swallowed.
2. Health Hazards: Details the long and short term effects of the chemical on our body.
3. Carcinogenicity: Explains whether the chemical can cause cancer.
4. Signs and Symptoms of Exposure: Tells us what signs to look for if exposed to this product, such as appearance, headaches, dizziness or nausea.
5. Pre-existing Medical Conditions that are Aggravated by Exposure: Cautions users to avoid chemical in case of respiratory problems, allergies, kidney, liver problems etc.