Chapter 9 Flashcards
General Characteristics of containers include?
- Size
- Whether used for Transportation or Fixed Storage.
Special Characteristics of containers include? (4)
- What it’s constructed of
- Pressurized or not
- configuration or intended openings
- Means to relieve internal pressure
Some bulk highway cargo tanks including those used to carry gasoline or diesel may carry as much as?
9,000 gallons
Bulk High pressure containers intended to transport LPG or Anhydrous Ammonia may contain more than?
11,000 gallons
Non-pressurized bulk rail cars can have quantities ranging from
10,000 to 26,000 gallons
Pressurized rail tank cars containing LPG can have loads in excess of?
30,000 gallons
Chlorine tank cars could contain as much as?
90 tons
Non-bulk containers that include drums, barrels, crates, and cylinders could range in capacity from
several ounces to more than 100 gallons
Bulk fixed storage tanks can contain materials in quantities that range from?
Several hundred to Several thousand gallons
It’s important for FR’s to remember that not all fixed facilities are required by Federal Law to report all hazardous materials stored or used on-site. What may be the only way to learn about these items? 2
Preplanning and an MSDS before an incident
Many highway cargo tanks that transport hazmats include what? Spaced?
External ring stiffeners. Several feet apart.
Most highway cargo tanks used to transport petroleum products are constructed of what? How thick?
Aluminum Alloy. .25” thick
Metal containers used to store corrosive liquids are often lined internally with?
Rubber
Insulated highway cargo tanks will often have what shape when viewed from the rear?
Horseshoe
Bulk transportation containers for gasoline are designed to withstand very low pressures, sometimes as low as?
3psi
Low pressure containers used to transport some liquid hazardous materials, such as flammable inks and solvents, corrosives, oxidizers, and poisons, may have operating pressures that range from?
25-75psi
High pressure bulk transport containers used for products such as LPG may contain pressures as high as?
300psi
Two primary characteristics for most compressed gas cylinders that first responders should always be aware of?
PRD and Rounded tank ends.
Damage is especially troublesome on high pressure metal containers when it occurs where?
At the Weld lines
What is important to first responders in reference to container openings?
How many, and is there a means to protect them from damage.
Rollover damage devices intended to protect the openings during a rollover accident usually include stiff metal walls and are designed to support?
2x weight of loaded cargo tank
Many bulk transport containers will also include emergency that allow valves to be closed both?
Manually or through heat activation
PRD’s are prohibited on compressed gas cylinders that contain certain types of hazmats that are classified as?
Poisonous
Some gases may be liquified with the application of only a few hundred pounds of pressure, these materials are often referred to as
Liquified gases
Vapor space can be as high as _______ of the capacity of the container
15-20%
The presence of a container with an overfill protection device (OPD) is usually indicated by a?
Triobular hand wheel.
2 examples of Non-liquified gases are?
Oxygen and Nitrogen
A process known as cryogenics can reduce the temperature of a material to lower than?
-150 degrees F.
Liquid Nitrogen has an expansion ratio of?
694 to 1
Liquid Oxygen expansion ratio
857 to 1
Containers that carry liquified petroleum gas stored at high pressures are usually made of? what thickness?
Steel. 1/2”
