Level A And MT94 Flashcards

1
Q

What is breakthrough time?

A

Time for a chemical to permeate a suit’s material to a detectable level.

Breakthrough time is crucial for understanding the protection duration of a suit against hazardous chemicals.

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2
Q

Why is breakthrough time important?

A

Determines how long a suit protects against hazardous chemicals.

Longer breakthrough times indicate better protection.

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3
Q

What is the breakthrough time for One Suit Flash 2?

A

Varies by chemical; meets NFPA 1991-2016 high-level resistance.

Specific details depend on the chemical in question.

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4
Q

What is the breakthrough time for MT94?

A

> 480 minutes for most chemicals, >720 minutes for VX/mustard gas, but only 43 minutes for HF gas.

These times illustrate the varying effectiveness against different substances.

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5
Q

How long can the MT94 suit be stored?

A

Up to 10 years if unused and undamaged.

Proper storage conditions are essential for maintaining suit integrity.

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6
Q

What is Pyroman testing?

A

A thermal manikin test that simulates a flash fire to measure burn injury risk.

This testing helps evaluate the suit’s performance in real-world fire scenarios.

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7
Q

How does Pyroman testing work?

A

Suit is placed on a sensor-equipped mannequin, exposed to flames for 3-8 seconds, then checked for burns.

This method allows for an accurate assessment of burn risk.

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8
Q

What is the fire resistance rating for One Suit Flash 2?

A

Certified to NFPA 1991-2016, with optional chemical flash fire escape protection.

About 8 seconds

This certification indicates its reliability in hazardous situations.

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9
Q

What is the fire resistance rating for MT94?

A

Withstands 3 seconds of flash fire but not fireproof—not rated for firefighting.

Users must be cautious as the suit is not designed for direct flame contact.

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10
Q

What is the NFPA 1991 flash fire test?

A

Suit is placed in a sealed chamber with propane, ignited for 6-8 seconds, then checked for airtight integrity.

This test evaluates the suit’s ability to protect against flash fire.

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11
Q

What must an NFPA 1991 suit show after flash testing?

A

No burns, no after-flame, airtight integrity, and full visual acuity retention.

These criteria ensure the suit’s effectiveness and safety.

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12
Q

How does One Suit Flash 2 differ from MT94?

A

Encapsulating polymer vs. fabric-based, flash fire escape-rated vs. limited fire resistance, liquefied gas protection vs. none.

These differences influence the choice of suit based on specific needs.

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13
Q

What are the pros of One Suit Flash 2?

A
  • High chemical/biological protection
  • Flash fire escape-rated
  • Liquefied gas protection
  • Durable polymer construction

These features make it suitable for hazardous environments.

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14
Q

What are the cons of One Suit Flash 2?

A
  • Bulky
  • Heavy
  • Limits mobility

Users may find it challenging to maneuver in this suit.

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15
Q

What are the pros of MT94?

A
  • More mobility
  • Multi-threat use
  • Durable and reusable
  • Configurable options (pockets, MOLLE, ventilated trim)

These advantages cater to various operational needs.

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16
Q

What are the cons of MT94?

A
  • Not vapor-tight
  • Only limited flash fire protection
  • Not ideal for high vapor exposure

These limitations are critical for users in high-risk environments.

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17
Q

What material is One Suit Flash 2 made from?

A

Single-layer polymer barrier, lightweight, chemical and vapor-tight.

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18
Q

What material is MT94 made from?

A

GORE® CHEMPAK® Ultra Barrier Fabric, designed for CBRN threats.

19
Q

Which suit provides the highest chemical protection?

A

One Suit Flash 2 – fully encapsulating with NFPA 1991 certification.

20
Q

Which suit is best for tactical or EOD operations?

A

MT94 – designed for mobility and multi-threat use.

21
Q

Which suit is best for high vapor exposure?

A

One Suit Flash 2 – full vapor-tight protection.

22
Q

Is MT94 vapor-tight?

A

No, it protects against high concentrations of liquids and gases but is not fully vapor-tight.

23
Q

What kind of seams does One Suit Flash 2 have?

A

Welded and sealed seams for complete vapor-tight integrity.

24
Q

What kind of seams does MT94 have?

A

Sewn and taped seams, durable but not fully vapor-tight.

25
Q

What is breakthrough time?

A

The time it takes for a chemical to permeate the suit material to a detectable level.

26
Q

What is the breakthrough time for One Suit Flash 2?

A

Varies by chemical but meets NFPA 1991 highest-level protection.

27
Q

What is the breakthrough time for MT94?

A

Most chemicals: >480 minutes, VX, Mustard, Sarin, Soman: >720 minutes, Hydrogen Fluoride (gas): 43 minutes.

28
Q

Which suit offers better HF gas protection?

A

One Suit Flash 2 – MT94 only protects for 43 minutes against HF gas.

29
Q

Is One Suit Flash 2 flame-resistant?

A

Certified for chemical flash fire escape under NFPA 1991.

30
Q

Is MT94 flame-resistant?

A

Withstands 3 seconds of flash fire exposure but is NOT fireproof.

31
Q

What is the NFPA 1991 flash fire test for One Suit Flash 2?

A

Propane chamber, ignited for 6-8 seconds, must maintain airtight integrity.

32
Q

What happens if an MT94 suit is exposed to open flames?

A

It can ignite – not designed for prolonged fire exposure.

33
Q

What certifications does One Suit Flash 2 have?

A

NFPA 1991 for vapor-tight chemical protection & flash fire escape.

34
Q

What certifications does MT94 have?

A

NFPA 1994, Class 2; NFPA 1992.

35
Q

Which suit is best for WMD/Chemical Attack response?

A

MT94 – designed for CBRN & tactical response.

36
Q

Which suit is best for industrial chemical spills?

A

One Suit Flash 2 – highest protection against industrial chemicals.

37
Q

What is the storage life of One Suit Flash 2?

38
Q

What is the storage life of MT94?

A

Up to 10 years if unused and undamaged.

39
Q

Which suit allows for better mobility?

A

MT94 – designed for movement and extended operations.

40
Q

Which suit is best for high-heat environments?

A

Neither – both degrade under prolonged high temperatures.

41
Q

Which suit is better for first responders entering a known hazardous chemical spill?

A

One Suit Flash 2 – fully encapsulating with maximum chemical protection.

42
Q

Which suit is better for SWAT teams responding to a chemical threat?

A

MT94 – allows movement, multiple entries, and tactical use.

43
Q

Which suit is better for long-duration operations?

A

MT94 – less heat stress