MODULE 1 UNIT 3

1. MODULE 1UNIT 3 Basic Hazardous Materials Terms

2. Unit 3 Learning Objectives At the conclusion of this unit the student will define the terminology used for appropriate assessment of a hazardous material. The Student will use learned terminology when referencing resource books for further assessment.

3. Student Performance Objectives • Describe the three physical states of matter • Describe the terminology related to material characteristics. • Describe the terms “lower explosive limit” and “upper explosive limit”. • Describe the process used to identify the “pH” of a material. • Describe the reactivity terms of materials.

4. Terminology • Physical Properties Terms • Flammability Terms • Corrosivity Terms • Toxicity Terms • Reactivity Terms

5. Physical Properties Terms • Physical State • Appearance • Boiling Point • Chemical Reactivity • Melting Point

6. Physical Terms (cont.) • Water Solubility • Specific Gravity • Vapor Density • Vapor Pressure

7. Flammability Terms • Auto-ignition Temperature • Flash Point • Lower Explosive Limit • Upper Explosive Limit

8. Corrosivity Terms • Corrosive/Corrosive Material • pH • Acid • Alkali (Base)

9. Toxicity Terms • Toxicology • Acute Effect • Chronic Effect • Allergic Reaction • Asphyxiant

10. Toxicity Terms (cont.) • Carcinogen • Irritant • Sensitizer • Convulsant

11. LC50 LD50 TLV TWA PEL STEL C IDLH Toxic Products of Combustion Toxicity Terms (cont.)

12. Reactivity Terms • Explosive • Pyrophoric (Air Reactive) • Polymerization • Water Reactive • Hypergolic

13. Unit 3 Review Quiz