The Scuttlebutt

Vapor pressure directly affects how quickly a hazardous material enters the air, how far away responders may detect it, and how quickly different sensors can respond. The Scuttlebutt crew takes the science from the previous episode and puts it into real-world air monitoring decisions involving diesel, gasoline, ammonia, sulfuric acid, LNG, hydrogen cyanide, foam blankets, heated batteries, and sensor response times.

The discussion focuses on risk-based monitoring, why PID and LEL sensors may respond differently, how temperature changes vapor pressure, and why a meter reading is only useful when responders understand what the instrument is capable of seeing and how long it may take to get there.

Key Moments
00:00 Why vapor pressure matters to tactical air monitoring
01:26 Diesel vs. gasoline and what an LEL hit can tell you
04:40 Building a risk-based monitoring package with five-gas, pH paper, and radiation detection
09:24 What distance and early meter readings can reveal about vapor pressure
11:44 The 40 mmHg rule of thumb for toxic inhalation hazards
15:40 Mitigating vapor pressure with foam, water, cooling, and ventilation
22:10 Temperature, LNG, sulfuric acid, and why heat changes the problem
28:00 Hydrogen cyanide, cold weather, and delayed T90 response

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Making a Difference One Responder at a Time

Vapor pressure is more than a chemistry definition. For hazmat responders, it can help predict how quickly a material will leave its liquid phase, enter the breathing zone, spread beyond the immediate scene, and influence tactical decisions.

Chris, Tyler, and Ben use water, gasoline, diesel fuel, acetone, ammonia, and chlorine to explain what vapor pressure means in the field, how temperature changes it, why 760 mmHg matters, and how vapor pressure can shape respiratory protection and tactical monitoring decisions.

Key Moments
00:00 Why vapor pressure matters to hazmat responders
09:08 A practical definition of vapor pressure
10:56 Water, 760 mmHg, and the liquid-to-gas threshold
12:40 Understanding mmHg, PSI, and atmospheres
15:51 What high vapor pressure means operationally
18:59 Gasoline, temperature, and aggressive vapor production
20:08 The 40 mmHg respiratory protection rule of thumb
22:16 Diesel, water, and gasoline as field reference points
27:49 Fire extinguisher training as a vapor pressure lesson

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“Making a Difference One Responder at a Time”

Ben Bosley and Tyler Hoke take on the cultural side of firefighter health and safety: why dirty gear is still treated as a badge of honor, why clean CO and HCN readings do not prove overhaul air is safe, and why respiratory protection remains essential after the visible smoke is gone.

They also discuss how education, officer example, realistic policies, and better understanding of meter limitations can move departments beyond the illusion of safety without sacrificing aggressive firefighting.

Key Moments
00:00 - The cultural battle over firefighter safety
04:56 - Contaminated gear and exposure beyond the fireground
12:38 - Ultrafine particles and the limits of two-gas monitoring
16:44 - A department overhaul respiratory protection policy
18:58 - Why education matters for cultural change
24:14 - Officer leadership, science, and long-term health

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“Making a Difference One Responder at a Time”

Twenty-five years after 9/11, Tyler Hoke and Ben Bosley look at fire smoke through a hazmat lens and examine the exposure risks firefighters continue to face. They discuss respiratory and dermal routes of entry, why turnout gear is not vapor-tight, and why relying only on carbon monoxide and hydrogen cyanide readings can leave major gaps in what crews understand about the atmosphere.

The episode also focuses on practical ways to reduce exposure during overhaul and after the fire, including ventilation, PID trend monitoring, gross decon, rehab, cleaning gear and gloves, showering, hydration, and keeping contaminated material out of the cab. The goal is not to pretend every hazard can be eliminated, but to make better decisions that reduce unnecessary exposure.

Key Moments
00:00 - A 9/11 Special on the Science of Fire Smoke
02:23 - Respiratory and Dermal Routes of Exposure
07:23 - CO, HCN, and Toxic Synergy
12:37 - Atmospheric Monitoring During Overhaul
16:49 - Why SCBA Still Matters After Knockdown
17:56 - On-Scene Gross Decon and Rehab
23:45 - Post-Fire Hygiene and Gear Cleaning
28:04 - Clean Cabs, Risk Reduction, and Operational Reality

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“Making a Difference One Responder at a Time”

Twenty-five years after 9/11, what should hazmat and special operations teams be doing now to become more capable five years from today?

Scott Russell, Chris Hawley, and Dave Donohue argue that the answer starts with people, not equipment. They discuss building teams around passion and capability, developing strong rapid-recon skills, creating regional depth with Type 3 and Type 4 resources, and using NFPA 475 as a practical roadmap for special operations planning. They also look at training opportunities, organizational buy-in, and why teams should grow deliberately instead of trying to jump straight to the highest capability level.

Key Moments
00:00 Building the right team for the next five years
06:36 Creating system-wide depth with Type 3 and Type 4 teams
08:18 Why rapid recon should be the foundation
12:54 Regional resources and rural response challenges
16:53 Funding, planning, and NFPA 475
21:58 Build capability one level at a time
24:13 Free training and developing passionate responders
29:39 Invest in people before equipment

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“Making a Difference One Responder at a Time”

Twenty-five years after 9/11, the biggest threat to responder readiness may be assuming the next major incident will look like the last one. Dave Donohue, Scott Russell, and Chris Hawley examine the gaps that still exist in hazmat and terrorism preparedness—from declining institutional memory and misunderstood equipment to operational security, staffing limitations, and unrealistic claims of “all-hazards” capability.

They make the case for thinking like an adversary, identifying probable worst-case scenarios in your own community, and using realistic, unannounced exercises that expose weaknesses instead of hiding them. The message is simple: training that reveals failure is far more valuable than an exercise designed to make the team look good.

Key Moments
00:00 Where responder readiness stands 25 years after 9/11
03:15 Why perceived threats can be as disruptive as real ones
07:04 Equipment, training, and the loss of institutional memory
11:58 Operational security in the social media era
16:03 The limits of “all-hazards” capability
19:41 Thinking like the adversary
23:14 Why teams need realistic red-team exercises
27:11 Training to expose failure before the real incident

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“Making a Difference One Responder at a Time”

Twenty-five years after September 11th, Scott Russell, Chris Hawley, and Dan Warchol look back at where first responders stood on September 10, 2001—and why some of the same warning signs may be appearing again. They examine terrorism preparedness before the attacks, the limits of existing training and resources, and the belief that terrorism was primarily a big-city problem.

Drawing on their experiences in fire, EMS, hazmat, communications, and the military, they discuss how 9/11 immediately changed operational security, station and vehicle security, law-enforcement coordination, and the way responders viewed threats at home. The question 25 years later: have we maintained those lessons, or are preparedness priorities beginning to slip?

Key Moments
00:00 Introduction
01:08 Are We Reliving September 10th?
04:22 How Prepared Were Responders?
08:53 Warning Signs Before 9/11
12:31 Terrorism Isn’t Just a Big-City Problem
14:48 How Hazmat Response Changed
17:42 Security and Operational Awareness After 9/11
20:25 The Day Everything Changed

Training & Resources
Main website: https://themeterguys.org
Training: https://www.themeterguys.org/meter-training
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“Making a Difference One Responder at a Time”

Twenty-five years after September 11th, Scott Russell, Chris Hawley, and Dan Warchol look back at where first responders stood on September 10, 2001—and why some of the same warning signs may be appearing again. They examine terrorism preparedness before the attacks, the limits of existing training and resources, and the belief that terrorism was primarily a big-city problem.

Drawing on their experiences in fire, EMS, hazmat, communications, and the military, they discuss how 9/11 immediately changed operational security, station and vehicle security, law-enforcement coordination, and the way responders viewed threats at home. The question 25 years later: have we maintained those lessons, or are preparedness priorities beginning to slip?

Key Moments
00:00 Introduction
01:08 Are We Reliving September 10th?
04:22 How Prepared Were Responders?
08:53 Warning Signs Before 9/11
12:31 Terrorism Isn’t Just a Big-City Problem
14:48 How Hazmat Response Changed
17:42 Security and Operational Awareness After 9/11
20:25 The Day Everything Changed

Training & Resources
Main website: https://themeterguys.org
Training: https://www.themeterguys.org/meter-training
Contact: https://www.themeterguys.org/contact-5

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Command Media Network: https://commandmedianetwork.com/

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“Making a Difference One Responder at a Time”

The Meter Guys launch Scuttlebutt with Scott Russell, Chris Hawley, and Dan Warchol explaining why they started the show and what listeners can expect from future conversations. Their goal is to tackle hazmat, fire service, first responder, industrial safety, equipment, and training issues with a practical focus on making responders safer.

The conversation quickly gets to the heart of that mission: responders are often handed sophisticated meters without enough training to truly understand what those instruments are telling them. Scott, Chris, and Dan discuss meter competency, gas emergencies, situational awareness, and the risk-based response philosophy that will shape the podcast going forward.

Key Moments
00:00 Introducing Scuttlebutt
02:26 Scott and Chris Introduce Their Backgrounds
07:47 The Meter Training Problem
08:47 Understanding What Your Meter Is Telling You
18:24 When Responders Misread the Warning Signs
19:53 The Origins of Risk-Based Response
24:32 Safer Decisions and the Mission Going Forward

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“Making a Difference One Responder at a Time”