HazMat Technician Mod 1 Unit 9 Slide 1

OhioHazmat & WMD Technician

Module 1 Unit 9

Basic Chemistry

HazMat Technician Mod 1 Unit 9 Slide 2

Learning Objectives

At the end of this training each student will demonstrate knowledge of basic chemistry and will understand how a

products chemical properties can affect the outcome of the HazMat incident.

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Student Performance Objectives

• Know and understand chemical terms• Understand the terminology

(including any glossary of WMD terms, chemical reference manuals, equipment manuals), classes of materials and agents, and toxicology of hazardous materials and WMD agents.

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Terminology

• Physical properties

• Flammability properties

• Corrosivity Terms

• Chemistry terms

• Toxicity terms

• Reactivity terms

• Chemical warfare terms

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Physical Properties Terms

• Physical State

• Appearance

• Boiling Point

• Melting Point/Freezing Point

• Sublimation

• Temperature of product

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Physical Properties Terms (cont.)

• Viscosity

• Expansion ratio

• Chemical Reactivity (Incompatible)

• Solubility

• Specific Gravity

• Vapor Density

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Physical Properties Terms (cont.)

• Vapor PressuremmHgpsiAtmosphere (atm)

• Critical Temperature and Pressure

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Flammability Terms

• Auto-ignition Temperature

• Flash Point

• Fire Point

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Flammability Terms (cont.)

• Maximum Safe Storage Temperature (MSST)

• Self accelerating decomposition Lower Explosive Limit (LEL) or Lower Flammable Limit (LFL)

• Upper Explosive Limit (UEL) or Upper Flammable Limit (UFL)

• Flammable Range• temperature (SADT)

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Corrosivity Terms

• Corrosive/Corrosive Material

• pH

• Dissociation/Corrosivity

• Acid

• Alkali (Base) (Caustic)

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Chemistry Terms

• Ionic bond

• Covalent bond

• Organic

• Inorganic

• Saturated hydrocarbon

• Unsaturated hydrocarbon

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Chemistry Terms (cont.)

• Aromatic hydrocarbons

• Halogenated hydrocarbon

• Auto refrigeration

• Chemical interactions

• Chemical change

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Chemistry Terms (cont.)

• Compound mixture

• Concentration

• Catalyst

• Inhibitor

• Instability

• Oxidation potential

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Chemistry Terms (cont.)

• Solution

• Slurry

• Strength

• Reactivity

• Physical change

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Radiological terms

• Radiological MaterialsAlpha particlesBeta particlesGamma waves

• Half life

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Radiological Terms (cont.)

• Radioactivity

• RAD (Radiation Absorbed Dose)

• REM (Roentgen Equivalent Man)

• CPM (Counts Per Minute)kilo

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Toxicity Terms

• Toxicology

• Acute Effect

• Chronic Effect

• Allergic Reaction

• Asphyxiant

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Toxicity Terms (cont.)

• Carcinogen

• Irritant

• Sensitizer

• Convulsant

• PPM, PPB (parts per million, parts per billion)

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Toxicity Terms (cont.)

• Lethal Concentration 50% (LC50)

• Lethal Dose 50% (LD50)

• Permissible Exposure Limit (PEL)

• Threshold Limit Value – Time Weighted Average (TLV-TWA)

• TLV - Short Term Exposure Limit (STEL)

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Toxicity Terms (cont.)

• TLV - Ceiling Limit (C)

• Immediately Dangerous to Life and Health (IDLH)

• Toxic Products of Combustion

• Dose

• Dose-response relationship

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Toxicity Terms (cont.)

• Infectious Dose

• Incubation Period

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Reactivity Terms

• ExplosiveHigh explosives

• Primary high explosive• Secondary high explosive

Low explosives

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Reactivity Terms (cont.)

• Pyrophoric (Air Reactive)

• Polymerization

• Water Reactive

• Hypergolic

• Oxidizers

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Chemical Warfare Terms

• Biological agents and toxins (Etiological Agents)

• Blood agents

• Blister Agents (Vesicants)

• Irritants (Riot control agents)

• Nerve agents

• Persistence

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Questions?

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Unit 9 Quiz

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ExerciseModule 1 Unit 9

Chemistry• Time Allotted: 30 minutes• Equipment needed: (2) 4 gas air monitors• P.I.D.• pH paper •• Supplies needed: Acetone or other organic solvent• Acetic Acid (vinegar)• Battery Acid (Sulfuric acid)• Ammonia (window cleaner)• 4 to 6 small containers with lids or

covers• NIOSH pocket guide and other

references•