2- HazMat- Recognize and Identify the Presence of Hazmat Flashcards
____ often equates to safety when hazmat is involved.
Distance
The order of the following clues to the presence of hazardous materials generally represents an increasing level of risk:
*7 steps, progressively more risky..
- Locations, occupancy types and preincident surveys
- Basic container info
- Transportation placards, markings and labels
- Nontransportation hazmat markings and labels
- Hazard information reference sources
- Sensory clues- including victim signs/symptoms
- Monitoring and detection devices
The most common kind of hazmat incident involves:
Hydrocarbons (better known as gasoline, diesel fuel, oil, and natural gas in liquid and gas forms)
*Hydrocarbons account for 75% of all hazardous materials transported throughout North America
Each transportation mode has particular locations where accidents may occur more frequently. What are some common transportation modes?
*5 answers
-Roadways
-Railways
-Waterways
-Airways
-Pipelines
High-profile locations or events like government facilities, financial institutions, schools, hotels, clubs, shopping malls, markets, restaurants, places of worship, parks, tourism infrastructure, public transportation systems and airports, critical infrastructure, and public events… may become potential targets for:
Terrorism
Fentanyl is __-__ times stronger than morphine and a lethal dose is only __mg.
Carfentanil is _____ times stronger than morphine.
Fentanyl= 50-100x stronger than morphine, lethal dose is only 2mg
Carfentinil= 10,000x stronger than morphine
Preincident surveys identify the following items:
*8 answers
-Exposures (people, property, environment)
-Hazmat types, quantities, dangers, locations
-Building features (locations of fixed fire suppression systems)
-Site characteristics
-Possible access/egress difficulties
-Inherent limitations of response organizations when trying to control certain hazmat emergencies
-Phone numbers of responsible parties, on-site experts, and alternates
-Site or occupancy response capability
The initial symptoms of CO2 retention (hypercapnia) are:
As the amount of CO2 increases in the body, skin will become ___, heart rate will ____, and blood pressure will ____.
If left unchecked, CO2 retention can result in unconsciousness, respiratory failure, and death.
Initial symptoms - headache, lightheadedness, confusion
As CO2 increases, skin becomes red (flush or blush), HR increases, BP increases
To meet the criteria for BULK packaging, ONE of the following must be met:
-Max capacity greater than ___ gallons as a receptacle for a liquid
-Max net mass greater than ___ pounds or max capacity greater than ___ gallons as a receptacle for a solid
-Water capacity of ___ pounds or greater as a receptacle for a gas
-Max capacity greater than 119 gallons as a receptacle for a liquid
-Max net mass greater than 882 pounds or max capacity greater than 119 gallons as a receptacle for a solid
-Water capacity of 1,000 pounds or greater as a receptacle for a gas
To meet the criteria for NONBULK packaging (drums, boxes, carboys, bags), ONE of the following must be met:
-Max capacity is ___ gallons or less as a receptacle for a liquid
-Max net mass is ___ pounds or less and a max capacity of ___ gallons or less as a receptacle for a solid
-Water capacity of ___ pounds or less as a receptacle for a gas
-Max capacity is 119 gallons or less as a receptacle for a liquid
-Max net mass is 882 pounds or less and a max capacity of 119 gallons or less as a receptacle for a solid
-Water capacity of 1,000 pounds or less as a receptacle for a gas
Pressure container features include the following:
*5 answers
-ROUNDED, almost spherical ENDS
-BOLTED access points/hatches
-BOLTED protective housings
-PRESSURE RELIEF devices
-PRESSURE GAUGES
A ____ shaped container offers uniform stress distribution and highly efficient pressurized storage for gases kept in liquid form. These shapes can be an indicator that the contents are under HIGH pressure.
Spherical (Ball-like)
When it comes to FIXED storage container types, the potential hazards associated with spherical containers, cylindrical containers with rounded ends, circular containers with flat ends, vertical cylinders with a cone bottom, horizontal cylinders with flat ends, all include the following:
*5 answers
-Toxic
-Corrosive
-Flammable
-Energetic
-Asphyxiant
(Fixed) Cylindrical containers with rounded ends can be an indicator of pressurized contents. They high pressure ____ containers can store many different products.
Horizontal
The (fixed) circular container with flat ends and a LARGER DIAMETER THAN HEIGHT indicates its contents are at ____ to ____ pressure.
Atmospheric to Low Pressure
A (fixed) vertical cylinder with a ___ bottom and elevated with legs, smaller in diameter than height, is not indicative of any specific hazard; it may contain anything!
Cone
Contents of pressure containers will expand quickly if released! Keep your distance ____, ____, and ____!
Upwind, Uphill, and Upstream
The (fixed) horizontal cylinder with flat ends and elevated with legs, indicates atmospheric to low pressure ____ storage.
Liquid
Cylindrical rounded end containers (transport) near railroads and roadways indicate _____ contents.
Potential hazards include:
Pressurized
Hazards include: Toxic, Energetic, Corrosive, Asphyxiant, Flammable
The cylindrical shaped (smaller circular cross-section) truck with visible external ____ ____ may transport items with a variety of hazards, including:
Reinforcing Ribs
Hazards include: Toxic, Energetic, Corrosive, Asphyxiant, Flammable
An oval cross-section with flat or nearly flat ends (transport) indicates _____ containers that contain many types of liquids.
Potential hazards include:
Nonpressurized
Hazards include: Toxic, Energetic, Corrosive, Asphyxiant, Flammable
A ____ shaped cross-section with flat or nearly flat ends (transport) indicates low pressure containers that normally carry liquids.
Potential hazards include:
Horseshoe
Hazards include: Toxic, Energetic, Corrosive, Asphyxiant, Flammable
Containers of cylindrical shape with a box cabinet at the rear of the container (transport) are also known as ____ ____ containers. These containers contain substances which cannot be liquified by pressure application alone.
Thermos Bottle
A cryogen (sometimes called refrigerated liquified gas) is a gas that turns into a liquid AT OR BELOW _____*F at 14.7psi.
At or below -130*F at 14.7psi
Potential hazards associated with cryogenic containers include the following:
Toxic, Energetic, Corrosive, Asphyxiant, Flammable, Thermal (cold)
*Typical list as most containers but has the addition of THERMAL hazards
In general, a product’s hazard class is assigned based on:
Its most dangerous chemical and/or physical properties
Under the United Nations (UN) system, NINE hazard classes are used to categorize hazardous materials:
Class 1- Explosives
Class 2- Gases
Class 3- Flammable Liquids (and combustible liquids)
Class 4- Flammable Solids, substances liable to spontaneous combustion, substances that emit flammable gases on contact with water
Class 5- Oxidizing Substances and organic peroxides
Class 6- Toxic and Infectious Substances
Class 7- Radioactive Materials
Class 8- Corrosive Substances
Class 9- Miscellaneous dangerous substances and articles
A/An _____ is any substance or article with a significant potential energy that may rapidly expand and release upon activation. They are reactive and may release energy in the form of light, gas, and/or heat.
Explosion
There are six division numbers in Class 1 (explosive) hazards:
-Division 1.1 = Mass explosion hazard
-Division 1.2 = Projectile/Fragment hazards
-Division 1.3 = Fire hazard
-Division 1.4 = No significant blast hazard
-Division 1.5 = Very insensitive explosives
-Division 1.6 = Extremely insensitive
Greater Risk ——> Lower Risk as you go
Explosive placards are the ONLY hazard class with ____ ____ ____, which specify the controls for the transportation, separation, and storage of explosives.
Compatibility Group Letters
The primary hazards of explosives are:
*2 answers
Thermal and Mechanical
An explosion’s hazards may manifest in the following conditions:
*4 answers
Blast-Pressure Wave (shock wave)
Shrapnel and Fragmentation
Seismic Effect
Incendiary Thermal Effect
Rapidly released gases can create a shock wave that travels outward from the center. As the wave increases in distance, its ____ decreases. This blast-pressure wave is the PRIMARY reason for injuries and damage. The blast-pressure wave has a positive AND negative phase, BOTH of which can cause damage.
As the wave increases in distance, its STRENGTH decreases.
Blast-Pressure Wave = Shock Wave
When an explosion occurs at or near ground level, the air blast creates a ___ ____ or crater.
Ground shock
____ ____ ____ occurs during an explosion when thermal heat energy forms a fireball.
Incendiary Thermal Effect
Hazard Class __ is comprised of gases (materials that are in a gaseous state at normal temperatures and pressure).
2
There are 3 divisions in Class 2:
-Division 2.1 = Flammable gases
-Division 2.2 = Nonflammable, non-toxic gas
-Division 2.3 = Toxic gases