Home Ask The Haz Mat Guys ATHMG002 – Ask the Haz Mat Guys, Episode II

ATHMG002 – Ask the Haz Mat Guys, Episode II

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In this episode, we answer the following questions:

  • Which type of propane leak is more dangerous: gas or liquid?
  • Where should the new person on a hazmat team start learning?
  • What are the correlations between LEL, UEL, and MEC?
  • Which PPE should I use for a sulfuric acid spill?

Complete Show Notes

00:45 Question #1 – Which Type of Propane Leak is More Dangerous: Gas or Liquid?

  • We often deal with gas leaks during the summer months when people start grilling – liquid leaks are less common
  • For every gallon of liquid propane that leaks, it expands to 270 gallons of gaseous propane – this is a lot more than the 1:1 ratio of a gas leak in that same cylinder
  • Remember that propane is heavy and seeks basements and low-lying areas of land – monitoring these areas is a must
  • Try to minimize ignition sources as much as possible and use ventilation as soon as possible

2:25 Question #2 – Where Should The New Person on a Hazmat Team Start Learning?

  • Focus on learning the location of the tools and where they are on the rig – focus on the ones you use most commonly, rather than the rare ones
  • Learn how to use them in the position you’ll fill – remember that most teams won’t throw new people into the hardest positions right away
  • Start to learn about meters and understand the reasons behind their reactions, too
  • Remember that it usually takes at least 2 years before you feel like you can hold your own on a run

4:45 Question #3 – What are the Correlations Between LEL, UEL, and MEC?

6:30 Question #4 – Which PPE Should I Use for a Sulfuric Acid Spill?

  • It depends on the specific situation, but your meter readings are the best indicators of the proper PPE in this scenario
  • Use wet and dry pH strips to detect acid vapors in the air – if you see high concentrations of acid vapors, consider changing out of your bunker gear into a Level A
  • If you’re not seeing any kind of vapors, you can wear a Level B – in most cases, we arrive after the leak has stopped
  • If you feel any kind of burning on your skin, quickly change into a Level A – situations change, and we have to constantly be aware of our surroundings to keep ourselves safe

Have a question? Send an email to feedback@thehazmatguys.com or leave a message on our Haz Mat Guys comment hotline: 843-628-1484

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