Fire Investigator Safety Best Practices Survey

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Questions and Answers

What was the primary purpose of the benchmark survey conducted?

  • To determine the current state of knowledge and practices. (correct)
  • To assess the physical equipment of fire investigators.
  • To evaluate the training needs of fire investigation agencies.
  • To establish new regulations for fire scene operations.

Which organization is mentioned as a reference for standards regarding personal protective equipment?

  • European Committee for Standardization (CEN)
  • Occupational Safety and Health Administration (OSHA) (correct)
  • International Fire Safety Association (IFSA)
  • National Fire Protection Association (NFPA)

Which edition represented almost two years of work by the IAAI Health & Safety Committee?

  • Third edition (2022)
  • First edition (2018) (correct)
  • Second edition (2020)
  • Fourth edition (2023)

What does the term 'best practice' refer to in the context of this document?

<p>An approach that goes beyond existing regulations. (B)</p> Signup and view all the answers

Why can it be challenging for governments regarding health and safety standards?

<p>Because of difficulties in amending existing standards. (D)</p> Signup and view all the answers

The second edition (2020) included information on what aspect of fire investigator safety?

<p>New and updated information on evolving safety practices. (B)</p> Signup and view all the answers

Which of the following is NOT a focus of the best practices paper mentioned?

<p>The detailed operational processes of fire investigators. (D)</p> Signup and view all the answers

How should readers approach the OSHA standards mentioned?

<p>With a full understanding of their implications for fire investigations. (D)</p> Signup and view all the answers

What was a significant change regarding the approach to fire investigator health and safety since the original white paper was published?

<p>An increase in the length of the document to encompass broader safety measures. (C)</p> Signup and view all the answers

Which of the following phrases best reflects the advancements in fire investigator health understanding?

<p>Data enriches understanding and incorporates more scientific rigour. (B)</p> Signup and view all the answers

What underlying issue does the IAAI Health & Safety Committee aim to address through their best practices paper?

<p>The health hazards associated with post-fire environments. (C)</p> Signup and view all the answers

What significant experience did David Rivers mention that highlights the importance of PPE and decontamination?

<p>He experienced a major health crisis due to inadequate safety measures. (D)</p> Signup and view all the answers

How has the perception of data's role changed within the context of fire investigation since the early days?

<p>Data is recognized as essential for validating safety measures. (B)</p> Signup and view all the answers

What was one of the initial goals of the IAAI's best practices document?

<p>To compile up-to-date information on health hazards. (D)</p> Signup and view all the answers

Which aspect of fire investigation safety does the updated document emphasize based on the evolution of the field?

<p>The importance of regular updates and ongoing education. (A)</p> Signup and view all the answers

What does Neil deGrasse Tyson's quote imply about the relationship between data and scientific maturity in fire investigation?

<p>Data both challenges and supports the development of new knowledge. (A)</p> Signup and view all the answers

What is the main health risk identified for firefighters after a live-fire training exercise?

<p>Skin contamination from PAHs (D)</p> Signup and view all the answers

What was the percentage of recorded exposures among fire investigators in North Carolina related to airborne PAHs?

<p>90% (A)</p> Signup and view all the answers

What type of PAHs are produced in smoldering fires according to the findings?

<p>Lower molecular weight PAHs (C)</p> Signup and view all the answers

What was the average exposure duration post-suppression for firefighters, as indicated in the findings?

<p>6.2 days (A)</p> Signup and view all the answers

Which hazardous gas levels were noted to increase over time after fire suppression?

<p>Formaldehyde (B)</p> Signup and view all the answers

What role did the IAAI Health & Safety Committee play in firefighter safety studies?

<p>They were involved in the wristband study (A)</p> Signup and view all the answers

How long did particulate levels remain hazardous at fire scenes?

<p>Up to five days (C)</p> Signup and view all the answers

What was the recommendation for public fire investigation units regarding SCBA usage?

<p>To wear SCBA during the entire post-fire scene examination (B)</p> Signup and view all the answers

Which of the following products is NOT mentioned as a source of harmful chemicals during a fire?

<p>Household cleaning products (D)</p> Signup and view all the answers

What is a significant difference between inhalation exposure and dermal exposure as mentioned?

<p>Dermal exposure lacks defined occupational exposure limits. (D)</p> Signup and view all the answers

What compounds are known to be emitted during incomplete combustion of materials in a fire?

<p>Polycyclic aromatic hydrocarbons (PAH) (D)</p> Signup and view all the answers

Why is determining dermal occupational exposure limits particularly challenging?

<p>There are various variables that affect exposure levels. (A)</p> Signup and view all the answers

What is a recommended method to limit chemical absorption through the skin after a fire?

<p>Regular removal of soot and particulates (D)</p> Signup and view all the answers

What role does the World Health Organization play in regards to dermal exposure limits?

<p>They acknowledge the difficulty in determining such limits. (B)</p> Signup and view all the answers

Which statement regarding the permeability of materials during fires is accurate?

<p>Permeability increases with temperature variations. (D)</p> Signup and view all the answers

Which item is categorized as a known carcinogen when burned?

<p>Creosote (A)</p> Signup and view all the answers

What is the recommended amount of sleep for individual fire investigators to manage health risk factors?

<p>7 to 9 hours (B)</p> Signup and view all the answers

Which of the following practices is NOT advised for maintaining health as an individual fire investigator?

<p>Consuming high amounts of alcohol (B)</p> Signup and view all the answers

What type of clothing is recommended for fire investigators to wear?

<p>Head covering and long clothing (D)</p> Signup and view all the answers

Why is it important for fire investigators to be fit-tested on assigned respirators?

<p>To ensure effectiveness of respiratory protection (B)</p> Signup and view all the answers

What should fire investigators do to prepare for adverse weather conditions while en route to an incident?

<p>Be proactive and aware of impending weather conditions (A)</p> Signup and view all the answers

What health check is specifically recommended for fire investigators due to increased skin cancer risk?

<p>Annual skin check by a dermatologist (C)</p> Signup and view all the answers

Why should fire investigators avoid having facial hair?

<p>It can impede respiratory protection effectiveness (C)</p> Signup and view all the answers

What is the primary reason fire investigators should have knowledge of emergency medical facilities near incident scenes?

<p>To ensure timely medical response if needed (D)</p> Signup and view all the answers

What is a primary hazard associated with lithium-ion battery fires?

<p>They generate significant quantities of hydrogen fluoride (D)</p> Signup and view all the answers

What type of foam is typically used to extinguish fires caused by wood and paper?

<p>Class A foams (A)</p> Signup and view all the answers

Which of the following is a potential special hazard when working with certain refrigerants?

<p>They can react with water to create toxic gases (B)</p> Signup and view all the answers

What is the critical precaution when firefighters suspect the presence of PFAS at a scene?

<p>Specialized training and equipment may be needed (D)</p> Signup and view all the answers

What distinguishes fluorinated foams from fluorine-free foams?

<p>Fluorinated foams contain PFAS, while fluorine-free do not (C)</p> Signup and view all the answers

What should be implemented to reduce scene hazards in firefighting?

<p>Hazard elimination methodologies or engineering controls (A)</p> Signup and view all the answers

What is the primary reason firefighting personnel might require Self-Contained Breathing Apparatus (SCBA) during operations?

<p>To protect against IDLH atmospheres caused by smoke and gas (A)</p> Signup and view all the answers

When referring to shock hazards, what is the minimum voltage defined as a shock hazard?

<p>50 volts (B)</p> Signup and view all the answers

Flashcards

Post-fire Environment Hazards

The potential health hazards present in the post-fire environment.

Personal Protective Equipment (PPE)

Specialized clothing and equipment designed to protect individuals from hazards in the post-fire environment.

Decontamination

The process of removing or minimizing contamination from a person or object.

Fire Investigator Health and Safety Best Practices

The practice of following safety guidelines and procedures to minimize risks in fire investigation.

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Scientific Approach to Fire Investigations

The process of collecting and analyzing data to understand the causes and effects of fires.

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Evidence-Based Fire Investigation

The use of scientific methods and data to improve understanding of fire phenomena.

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Data-Driven Fire Investigation

The collection of data and observations to support or refute hypotheses about fire events.

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Comprehensive Fire Investigation

The use of evidence, scientific methods, guidelines, and protocols to ensure accurate and reliable fire investigation.

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Benchmark Survey

A process where data is collected to understand the current state of knowledge, awareness and practices related to a particular subject.

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Best Practices

A set of recommended practices based on the best available evidence and expertise in a field.

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Government Standards and Regulations

Guidelines and rules set by government agencies to ensure the safety of workers and the general public.

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Historical Research Data

Research and data from the past, often older than 10 years.

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Health and Safety Standards

A set of guidelines that aims to protect people from harm in specific work environments.

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Best Practice Approach

The practice of exceeding the minimum requirements set by regulations.

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Best Practices Paper

A document that outlines the recommended procedures for a particular task or field.

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Continually Evolving Subject

An ongoing process of updating and improving knowledge and practices.

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What contaminants are released during live-fire training?

Airborne polycyclic aromatic hydrocarbons (PAHs) and other aromatic hydrocarbons generated during live-fire training.

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What is the aim of the service training facility study?

The process of determining if airborne PAHs and other aromatic hydrocarbons from live-fire training can pass through the skin of firefighters.

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What was the main source of PAH exposure for North Carolina fire investigators?

In one group of 27 North Carolina fire investigators, 90% of recorded exposures were attributed to lower molecular weight PAHs, produced in smoldering fires.

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What were the key findings of the University of Miami wristband study?

Elevated and hazardous levels of airborne particulate matter persist in the post-fire environment for an extended period,

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How do gas levels change in the post-fire environment?

The levels of harmful gases, including formaldehyde, can increase over time in some post-fire environments.

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What is the emerging trend in post-fire scene examination?

The use of SCBA during post-fire scene examination is becoming increasingly common among fire investigation units.

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How does planning impact post-fire scene examination time?

Proper planning and staffing can significantly reduce the time required for post-fire scene examination.

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What was the role of the IAAI Health & Safety Committee?

The IAAI Health & Safety Committee played a key role in involving fire investigators in the University of Miami wristband study.

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Planning for travel

Being prepared for a fire investigation includes knowing your destination, the safest route, and the expected weather conditions to ensure timely arrival and a more relaxed approach.

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Weather awareness

Staying aware of changing weather conditions can affect your scene investigation safety. This helps you be proactive and prepared.

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Understanding the scene

Before responding to a fire scene, knowing details like the potential hazards is crucial. Ask questions to understand the situation better.

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Emergency medical plan

Having a plan for accessing emergency medical services is an important safety precaution. Know the closest hospital and have contact information readily available.

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Weather-appropriate clothing

Always wear clothes appropriate for existing and forecasted weather conditions. This simple step helps ensure your safety.

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Healthy lifestyle

Maintaining a healthy lifestyle through sleep, diet, exercise, and limiting alcohol and tobacco use is essential for fire investigators.

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Physical fitness

Investigators need to be physically fit and able to wear and use respiratory protection equipment effectively.

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Annual health checks

Fire investigators must have annual physicals and skin checks to ensure their health and protect against risks associated with the profession.

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What are some common sources of hazardous chemicals in a post-fire environment?

Many products in homes produce harmful chemicals when burned, including plastics, trash bags, pipes, electronics, upholstery, carpet, clothing, pesticides, insulation, carpet dyes, glues, roofing materials, and wood preservatives.

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What are the dangers of burning common household products?

Burning these materials releases known carcinogens and other harmful substances that can be inhaled or absorbed through the skin.

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What are PAHs and why are they a concern in post-fire environments?

Polycyclic aromatic hydrocarbons (PAHs) are produced during incomplete combustion and can exist as particles or gases, making them a threat for both inhalation and dermal exposure.

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Why is dermal exposure a concern in post-fire environments?

Dermal exposure to chemicals in the post-fire environment can be significant, and there are no official occupational exposure limits for skin contact.

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How can we limit dermal exposure in post-fire environments?

Removing soot and unseen particulates from the skin can help limit the absorption of harmful chemicals, but the exact amount absorbed is difficult to determine due to the complex mixture of chemicals present.

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How does temperature affect the absorption of chemicals through the skin?

The permeability of skin increases with temperature, meaning that more chemicals can be absorbed at higher temperatures.

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Is the claim about skin permeability increasing with temperature accurate?

While some research suggests that skin permeability increases with temperature, this claim has been recanted as invalid.

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What steps should be taken to reduce exposure to chemicals in post-fire environments?

Despite the lack of specific exposure limits, it is crucial to implement control measures like protective clothing and decontamination procedures to minimize exposure to harmful substances.

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PFAS in Firefighting Foam

Firefighting foams can contain PFAS, which are harmful chemicals. It's important to identify the type of foam used during firefighting as it might contain dangerous substances.

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Lithium-ion Battery Fire Hazards

Lithium-ion batteries release dangerous gases like hydrogen fluoride during fires. These gases are hazardous and require special precautions like SCBA.

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Refrigerant Fire Hazards

Refrigerants, especially newer blends, can pose unique risks during a fire. It's important to recognize these hazards and take appropriate precautions.

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Engineering Controls

Engineering controls are methods used to reduce hazards by modifying the environment or work processes. This could include ventilation, isolation, or personal protective equipment.

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Special Precautions for Hazardous Materials

Special precautions may be necessary when dealing with hazardous materials, especially in confined spaces. This may involve specialized equipment and trained personnel.

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Hazard Elimination

Hazard elimination methods focus on removing or minimizing hazards by changing work practices, procedures, or materials. This could involve using safer alternatives or eliminating the hazard altogether.

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Specialized Resources

Specialized resources may be needed to handle specific hazards or situations. This could include specialized equipment, teams, or training.

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IDLH (Immediately Dangerous to Life or Health)

An atmosphere with a concentration of hazardous substances high enough to be immediately dangerous to life or health (IDLH). This requires specialized protective measures like SCBA.

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Study Notes

Fire Investigator Health and Safety Best Practices

  • This third edition of Fire Investigator Health and Safety Best Practices was prepared by the Health & Safety Committee of the International Association of Arson Investigators, Inc. (IAAI)
  • It includes an advisory panel of subject matter experts, and other technical advisors and has been approved by the IAAI Training & Education Committee and the IAAI Executive Team.
  • Every effort has been made to ensure the accuracy of the information, but errors can occur.
  • Please direct correspondence to [email protected]
  • The International Association of Arson Investigators, Inc. does not endorse specific products for fire investigators.
  • Mentioning a company, product, or service is for informational purposes only and does not constitute an endorsement or imply that it is preferred over any other.

What's New in this Edition

  • A new, professionally designed cover
  • A glossary of terms
  • Highlights of key information in text boxes and on pages
  • Fire investigator testimonials
  • Updated field/gross decontamination procedures
  • New information on Total Worker Health
  • New information on safety management systems.
  • Situational awareness and risk assessment, including an updated appendix
  • Updated recommendations to help improve fire investigator health and safety
  • Additional and updated explanatory footnotes
  • Additional training information
  • A revised appendix listing health and safety resource documents on the IAAl website
  • A new appendix on the fire behavior of some common plastics

Highlights

  • A cold fire scene does not mean a safe one; PPE is needed.
  • Every post-fire scene contains hazards requiring PPE, including respiratory protection
  • A cold fire scene still has particulates present
  • Polycyclic aromatic hydrocarbons (PAHs) are often present, some are known carcinogens.
  • Fire smoke and debris can produce harmful gasses, visible and invisible particulates and nanoparticulates
  • Chronic exposure to hazards in post-fire scenes can have long-term health impacts.
  • There's an underappreciation of these health risks from fire investigators

Health Hazards

  • Sudden Cardiac Events are a leading cause of on-duty deaths in the fire service.
  • Fire smoke contains invisible vapors, gases, particulates, and nanoparticulates.
  • Post-fire debris may contain a variety of chemicals and gases.
  • Carbon monoxyde, hydrogen cyanide and formaldehyde are present, but levels can vary
  • Particles less than 2.5 microns can penetrate the lungs, those <1µm can go very deep
  • Lead is a possible hazard, especially to children and newborns.
  • Biologic hazards can occur, such as from human remains, animal matter, or mould.

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