HazMat Technician Mod 1 Unit 9 Slide 1

OhioHazmat & WMD Technician

Module 1 Unit 9Basic 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.

HazMat Technician Mod 1 Unit 9 Slide 3

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.

HazMat Technician Mod 1 Unit 9 Slide 4

Terminology

• Physical properties• Flammability properties• Corrosivity Terms• Chemistry terms• Toxicity terms• Reactivity terms• Chemical warfare terms

HazMat Technician Mod 1 Unit 9 Slide 5

Physical Properties Terms

• Physical State • Appearance • Boiling Point • Melting Point/Freezing Point • Sublimation • Temperature of product

HazMat Technician Mod 1 Unit 9 Slide 6

Physical Properties Terms (cont.)

• Viscosity • Expansion ratio• Chemical Reactivity (Incompatible)• Solubility• Specific Gravity• Vapor Density

HazMat Technician Mod 1 Unit 9 Slide 7

Physical Properties Terms (cont.)

• Vapor PressuremmHgpsiAtmosphere (atm)

• Critical Temperature and Pressure

HazMat Technician Mod 1 Unit 9 Slide 8

Flammability Terms

• Auto-ignition Temperature• Flash Point• Fire Point

HazMat Technician Mod 1 Unit 9 Slide 9

Flammability Terms (cont.)• Lower Explosive Limit (LEL) or Lower

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

Flammable Limit (UFL)• Flammable Range• Maximum Safe Storage Temperature (MSST)• Self Accelerating Decomposition

Temperature (SADT• )

HazMat Technician Mod 1 Unit 9 Slide 10

Corrosivity Terms

• Corrosive/Corrosive Material• pH• Dissociation/Corrosivity• Acid• Alkali (Base) (Caustic)

HazMat Technician Mod 1 Unit 9 Slide 11

Chemistry Terms

• Ionic bond• Covalent bond• Organic• Inorganic• Saturated hydrocarbon• Unsaturated hydrocarbon

HazMat Technician Mod 1 Unit 9 Slide 12

Chemistry Terms (cont.)

• Aromatic hydrocarbons• Halogenated hydrocarbon• Auto refrigeration• Chemical interactions• Chemical change

HazMat Technician Mod 1 Unit 9 Slide 13

Chemistry Terms (cont.)

• Compound mixture• Concentration• Catalyst• Inhibitor• Instability• Oxidation potential

HazMat Technician Mod 1 Unit 9 Slide 14

Chemistry Terms (cont.)

• Solution• Slurry• Strength• Reactivity• Physical change

HazMat Technician Mod 1 Unit 9 Slide 15

Radiological terms

• Radiological MaterialsAlpha particlesBeta particlesGamma waves

• Half life

HazMat Technician Mod 1 Unit 9 Slide 16

Radiological Terms (cont.)

• Radioactivity• RAD (Radiation Absorbed Dose)• REM (Roentgen Equivalent Man)• CPM (Counts Per Minute)

kilo

HazMat Technician Mod 1 Unit 9 Slide 17

Toxicity Terms

• Toxicology• Acute Effect• Chronic Effect• Allergic Reaction• Asphyxiant

HazMat Technician Mod 1 Unit 9 Slide 18

Toxicity Terms (cont.)

• Carcinogen• Irritant• Sensitizer• Convulsant• PPM, PPB (parts per million, parts

per billion)

HazMat Technician Mod 1 Unit 9 Slide 19

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)

HazMat Technician Mod 1 Unit 9 Slide 20

Toxicity Terms (cont.)

• TLV - Ceiling Limit (C)• Immediately Dangerous to Life and

Health (IDLH)• Toxic Products of Combustion• Dose• Dose-response relationship

HazMat Technician Mod 1 Unit 9 Slide 21

Toxicity Terms (cont.)

• Infectious Dose• Incubation Period

HazMat Technician Mod 1 Unit 9 Slide 22

Reactivity Terms

• ExplosiveHigh explosives

• Primary high explosive• Secondary high explosive

Low explosives

HazMat Technician Mod 1 Unit 9 Slide 23

Reactivity Terms (cont.)

• Pyrophoric (Air Reactive)• Polymerization• Water Reactive• Hypergolic• Oxidizers

HazMat Technician Mod 1 Unit 9 Slide 24

Chemical Warfare Terms

• Biological agents and toxins (Etiological Agents)

• Blood agents• Blister Agents (Vesicants)• Irritants (Riot control agents)• Nerve agents• Persistence

HazMat Technician Mod 1 Unit 9 Slide 25

Questions?

HazMat Technician Mod 1 Unit 9 Slide 26

Unit 9 Quiz

HazMat Technician Mod 1 Unit 9 Slide 27

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•