Awareness-Level Lesson 4 Presentation Hazardous Materials for First Responders, 3 rd Ed.

Awareness Level 4–24–2 Typical Components of PPE Respiratory equipment Protective clothing –Structural fire-fighting protective clothing –High-temperature protective clothing –Chemical protective clothing

Awareness Level 4–34–3 What Appropriate PPE Protects Skin Eyes Face Hands Feet Body Head Respiratory system (1 of 2)

Awareness Level 4–44–4 What Appropriate PPE Protects Protective clothing and respiratory protection prevent exposure to hazardous chemicals by protecting the routes of entry. (2 of 2)

Awareness Level 4–54–5 PPE and Hazardous Materials Structural fire-fighting and high-temperature protective clothing — Offer limited protection against chemical hazards Chemical-protective clothing — Offers protection against hazardous materials –Requires training above the first responder Awareness Level

Awareness Level 4–64–6 Requirements of PPE NFPA standards state requirements for personal protective equipment –Design –Certification –Testing

Awareness Level 4–74–7 Structural Fire-Fighting Protective Clothing Provides protection from: –Heat –Moisture –Ordinary hazards associated with structural fire fighting

Awareness Level 4–84–8 Components of Structural Fire- Fighting Protective Clothing Helmet Coat Pants Boots Gloves Personal alert safety system (PASS) device Hood

Awareness Level 4–94–9 Limitations of Structural Fire-Fighting Clothing Limited protection against hazardous materials –Neither corrosive-resistant nor vapor-tight –Gaps occur in clothing –Chemicals can be absorbed into the equipment –Rubber or neoprene in boots, gloves, and SCBA facepieces can become permeated by chemicals and rendered unsafe for use

Awareness Level 4–10 Structural Fire-Fighting Protective Clothing at Haz Mat Incidents Structural fire-fighting protective clothing is commonly used at haz mat incidents when the following conditions are met: –Contact with splashes of extremely hazardous materials is unlikely –Total atmospheric concentrations do not contain high levels of chemicals that are toxic by way of skin contact –There is a chance of fire or there is a fire

Awareness Level 4–11 Purpose of Chemical-Protective Clothing and Equipment To shield or isolate individuals from the chemical, physical, and biological hazards that may be encountered during haz mat operations

Awareness Level 4–12 Types of CPC Liquid-splash protective clothing Vapor-protective clothing

Awareness Level 4–13 CPC Combinations Single or multipiece garment Encapsulating Nonencapsulating

Awareness Level 4–14 Selection of CPC Depends on specific chemical and on specific tasks Selection considerations: –Most CPC is impermeable to moisture –Garment’s permeation, degradation, and penetration abilities –Service life

Awareness Level 4–15 CPC Permeation Permeation — Occurs when a chemical passes through the CPC fabric on a molecular level Chemical spill

Awareness Level 4–16 CPC Degradation Degradation — Occurs when the characteristics of the material in use are altered through contact with chemical substances (1 of 2)

Awareness Level 4–17 CPC Degradation An acid eating away the outer layers of structural fire-fighting protective clothing is an example of chemical degradation. (2 of 2)

Awareness Level 4–18 CPC Penetration Penetration — Occurs when there is an opening or a puncture in the protective material (1 of 2)

Awareness Level 4–19 CPC Penetration Chemicals can penetrate PPE through gaps, tears, punctures, or other openings. (2 of 2)

Awareness Level 4–20 CPC Service Life Reusable Limited use Disposable

Awareness Level 4–21 CPC Written Management Program All emergency responders and organizations who routinely select and use CPC should establish a written CPC management program.

Awareness Level 4–22 Positive-Pressure SCBA Components Facepiece Pressure regulator Compressed air cylinder Harness assembly End-of-service-time indicators

Awareness Level 4–23 Advantages of Positive-Pressure SCBA Maintains air pressure inside the facepiece slightly higher than normal atmospheric pressure outside Independence Maneuverability

Awareness Level 4–24 Disadvantages of Positive-Pressure SCBA Heavy weight of the units Limited air supply duration Change in profile that may hinder mobility Limited vision caused by facepiece fogging Limited communications if not equipped with a microphone or speaking diaphragm

Awareness Level 4–25 Level D Ensembles Used for nuisance contamination and used only when no atmospheric hazards exist Provide no respiratory protection and minimal skin protection May not be worn in the hot zone

Awareness Level 4–26 Level D Ensemble Components Consist of typical work uniforms, street clothing, or coveralls Includes items such as: –Gloves –Safety glasses –Boots –Hardhats

Awareness Level 4–27 Level D Ensemble Use Atmosphere contains no hazard Work functions preclude splashes, immersion, or the potential for unexpected inhalation of or contact with hazardous levels of any chemicals

Awareness Level 4–28 PPE Care and Inspection The user must take all steps to ensure that the protective ensemble performs as expected All PPE and respiratory equipment must be inspected on a routine basis Records must be kept of all inspection procedures

Awareness Level 4–29 Summary Personal protective equipment is essential in emergency response. The type of PPE used depends on the specific incident. Typical PPE consists of respiratory equipment and either structural fire-fighting, high-temperature, or chemical-protective clothing. Structural fire-fighting clothing provides very limited protection against hazardous materials. (1 of 3)

Awareness Level 4–30 Summary Chemical-protective clothing provides protection against hazardous materials. No one type of CPC protects against all hazards. Positive-pressure SCBA is often used at incidents and has both advantages and disadvantages. (2 of 3)

Awareness Level 4–31 Summary Level D ensembles are typical work uniforms, street clothes, or coveralls and are only appropriate for nuisance contamination. PPE care and inspection is an important component in ensuring that PPE is properly maintained and safe for the user. (3 of 3)

Awareness Level 4–32 Homework 1. Which of the following provides the best protection against hazardous materials? A. Chemical-protective clothing B. Structural fire-fighting protective clothing C. High-temperature protective clothing D. Level D complete ensembles 2. Which of the following is a limitation of structural fire-fighting protective clothing? A.It is lightweight and susceptible to tearing. B.It is neither corrosive-resistant nor vapor-tight. C.It cannot be obtained in exact sizes. D.It is not appropriate for most emergency responses. 3.When can structural fire-fighting protective clothing be used at hazardous materials incidents? A.When the hazardous material is not known B.When there is not a chance of fire at the incident C.When no other protective clothing is readily available D.When contact with splashes of extremely hazardous materials is unlikely 4.Which of the following occurs when the characteristics of the material in use are altered through contact with chemical substances? A.Degradation B. Absorption C. Penetration D. Permeation

Awareness Level 4–33 Homework 5. Which of the following is a selection criterion for determining appropriate chemical-protective clothing? A.User comfort B. Color C. Specific chemical D. General appearance 6. Which of the following statements about positive-pressure SCBA air pressure inside the facepiece is true? A. It is slightly lower than normal atmospheric pressure outside. B.It is slightly higher than normal atmospheric pressure outside. C.It is the same as normal atmospheric pressure outside. D.It may be lower or higher than normal atmospheric pressure outside. 7.When can Level D ensembles be used? A.When no atmospheric hazards exist B.When decontamination facilities are nearby C.When other protective clothing is not readily available D.When the wearer has worked around chemicals before

Awareness Level 4–34 Homework 8. Which of the following is an advantage of SCBA-type respiratory protection? A. Maneuverability B. Limited vision C. Limited air-supply duration D. Weight of the unit 9. Which of the following statements about PPE inspection is true? A.Routine inspections do not require record keeping. B.Inspections should be performed as personnel have time. C.Records must be kept of all inspection procedures. D.Inspection is not necessary if the same individual uses the same PPE every time. 10.Protective clothing labeled “disposable” can be used how many times? A.One B. Two C. Three D. Until it appears worn

Awareness-Level Lesson 4 Presentation Hazardous Materials for First Responders, 3 rd Ed.