Transcript Lesson02B

UN Commodity
Identification Numbers
• Are four-digit numbers assigned to each
hazardous material listed in the current ERG
• Assists first responders in identifying the
material and referencing it quickly in the ERG
• Must be displayed in one of three ways:
(1 of 2)
Operational Level
2–2
UN Commodity
Identification Numbers
• Must be displayed on:
– Rail tank cars
– Cargo tank trucks
– Portable tanks
– Bulk packages
– Vehicle containers containing large quantities (at
least 8,820 lbs [4 000 kg]) of hazardous materials
– Certain nonbulk packages
(2 of 2)
Operational Level
2–3
UN/DOT Hazard
Classes and Divisions
• Class 1: Explosives — Any substance or
article (including a device) that is
designed to function by explosion or is
able to function in a similar manner
even if not designed to function by
explosion
• Division 1.1 — Explosives that have a mass
explosion hazard
Operational Level
(1 of 15)
2–4
UN/DOT Hazard
Classes and Divisions
• Division 1.2 — Explosives that have a
projection hazard but not a mass explosion
hazard
• Division 1.3 — Explosives that have a fire
hazard and either a minor blast hazard or a
minor projection hazard or both, but not a
mass explosion hazard
• Division 1.4 — Explosives that present a minor
explosion hazard
(2 of 15)
Operational Level
2–5
UN/DOT Hazard
Classes and Divisions
• Division 1.5 — Substances that have a mass
explosion hazard but are so insensitive that
there is very little probability of initiation or of
transition from burning to detonation under
normal conditions of transport
• Division 1.6 — Extremely insensitive articles
that do not have a mass explosive hazard
(3 of 15)
Operational Level
2–6
UN/DOT Hazard
Classes and Divisions
• Class 2: Gases — Materials that have a vapor
pressure greater than 43.5 psi (300 kPa) at
122ºF (50ºC) or are completley gaseous at
68ºF (20ºC) at a standard pressure of 14.7 psi
(101.3 kPa)
(4 of 15)
Operational Level
2–7
UN/DOT Hazard
Classes and Divisions
• Division 2.1: Flammable gas — Consists of
any material that is a gas at 68ºF (20ºC) or
less at normal atmospheric pressure or a
material that has a boiling point of 68ºF
(20ºC) or less at a normal atmospheric
pressure and that:
– Is ignitable at normal atmospheric pressure
when in a mixture of 13% or less by volume
with air
OR
(5 of 15)
– Has a flammable range at normal atmospheric
Level
pressure withOperational
air of
at least 12%, regardless2–8of
UN/DOT Hazard
Classes and Divisions
• Division 2.2: Nonflammable, nonpoisonous gas —
Any material (or mixture) which exerts in the
packaging an absolute pressure of 40.6 psi (280 kPa)
or greater at 68ºF (20ºC) and does not meet the
definition of Divisions 2.1 or 2.3
• Division 2.3: Gas poisonous by inhalation — Material
that is a gas at 68ºF (20ºC) or less and a pressure of
14.7 psi (101.3 kPa) and that is known to be so toxic
to humans to pose a hazard to health during
transportation
(6 of 15)
Operational Level
2–9
UN/DOT Hazard
Classes and Divisions
• Class 3: Flammable and combustible liquids
– Flammable liquid — A liquid having a flash
point of not more than 141ºF (60.5ºC), or any
material in a liquid state with a flash point at or
above 100ºF (37.8ºC) that is intentionally
heated and offered for transportation at or
above its flash point in a bulk packaging
– Combustible liquid — Any liquid that does not
meet the definition of any other hazard class
and has a flash point above 141ºF (60ºC) and(7 of 15)
below 200ºF (93ºC)
Operational Level
2–10
UN/DOT Hazard
Classes and Divisions
• Class 4: Flammable solids, spontaneously
combustible materials, and dangerous-whenwet materials
• Division 4.1: Flammable solid material
– Wetted explosives
– Self-reactive material that can undergo a
strongly exothermic decomposition
– Readily combustible solid that may ignite through
(8 of 15)
friction
Operational Level
2–11
UN/DOT Hazard
Classes and Divisions
• Division 4.2: Spontaneous combustible
material
– Pyrophoric material that, without an external
ignition source, can ignite within 5 minutes after
coming in contact with air
– Self-heating material that, when in contact with
air and without an energy supply, is liable to selfheat
(9 of 15)
Operational Level
2–12
UN/DOT Hazard
Classes and Divisions
• Division 4.3: Dangerous-when-wet materials
— Material that, by contact with water, is
liable to become spontaneously flammable or
to release flammable or toxic gas at a rate
greater than 1 liter per kilogram of the
material per hour
(10 of 15)
Operational Level
2–13
UN/DOT Hazard
Classes and Divisions
• Class 5: Oxidizers and organic peroxides
• Division 5.1: Oxidizer — Material that may,
generally by yielding oxygen, cause or
enhance the combustion of other materials
(11 of 15)
Operational Level
2–14
UN/DOT Hazard
Classes and Divisions
• Division 5.2: Organic peroxide — Any organic
compound containing oxygen in the
bivalent-O-O structure and which may be
considered a derivative of hydrogen
peroxide, where one or more of the
hydrogen atoms have been replaced by
organic radicals
(12 of 15)
Operational Level
2–15
UN/DOT Hazard
Classes and Divisions
• Class 6: Poisons (toxic) and poison inhalation hazard
• Division 6.1: Poisonous material — Material, other than a
gas, that is known to be so toxic to humans as to afford a
hazard to health during transportation or that is
presumed to be toxic to humans based on toxicity tests
on laboratory
animals
• Division 6.2: Infectious substances — Material known to
contain or suspected of containing a pathogen
(13 of 15)
Operational Level
2–16
UN/DOT Hazard
Classes and Divisions
• Class 7: Radioactive materials — Any material
having a specific activity greater than 70 c
(becquerels) per gram (0.002 microcurie per
gram)
• Class 8: Corrosive materials — A liquid or solid
that causes full thickness destruction of
human skin at the site of contact within a
specific period of time or a liquid that has a
severe corrosion rate on steel or aluminum(14 of 15)
Operational Level
2–17
UN/DOT Hazard
Classes and Divisions
• Class 9: Miscellaneous dangerous
goods — A material that:
– Has an anesthetic, noxious, or other
similar property that could cause
extreme annoyance or discomfort to
flight crew members that would
prevent their correct performance of
assigned duties, OR
– Is a hazardous substance or a hazardous
waste, OR
(15 of 15)
– Is an elevated temperature material, OR
Operational Level
2–18
– Is a marine pollutant
Components Unique
to the Class 7 Placard
Operational Level
2–19
Other North American Highway
Vehicle Identification Markings
•
•
•
•
•
Company names
Logos
Specific tank colors for certain tanks
Stenciled commodity names
Manufacturers’ specification plates
Operational Level
2–20
North American Railroad
Tank Car Markings
• Initials (reporting marks)
and number
– Are stenciled on both sides
(to the left when facing the
car) and both ends (upper
center) of the tank car
tank
– Can be used to get
information about the
car’s contents from the
railroad’s computer or the
shipper
(1 of 3)
Operational Level
2–21
North American Railroad
Tank Car Markings
• Capacity stencils — Show the
volume of the tank car tank
– Volume in gallons (and
sometimes liters) is stenciled
on both ends of the car under
the car’s initials and number
– Volume in pounds (and
sometimes kilograms) is
stenciled on the sides of the
car under the car’s initials and
number
(2 of 3)
Operational Level
2–22
North American Railroad
Tank Car Markings
• Specification markings
– Indicate the standards
to which a tank car
was built
– Are stenciled on both
sides of the tank, on
the opposite end from
the initials and
number
Operational Level
(3 of 3)
2–23
International Intermodal
Container Markings
•
•
•
•
Initials (reporting marks)
Tank numbers
Country codes
Size/type codes
– First two numbers
identify container length
and height
– Second two numbers
indicate pressure range
of contents
Operational Level
2–24
Markings on FixedFacility Containers
• Name of chemical stenciled on outside of
fixed- facility tank
• Identification numbers that correspond to site
or emergency plans
• Specialized system markings
– NFPA 704 system
– ISO safety symbols
– Globally harmonized system
Operational Level
2–25
Information Included
on a Pipeline Marker
• Signal words CAUTION,
WARNING, or DANGER
• Information describing the
transported commodity
• Name and emergency
telephone number of the
carrier
Operational Level
2–26
Information Listed
on Pesticide Labels
• Manufacturer’s name for the pesticide
• One of the following signal words:
DANGER/POISON, WARNING, or CAUTION
• EXTREMEMLY FLAMMABLE if the contents
have a flash point below 80ºF (27ºC)
• An EPA registration number
• An establishment number that identifies the
manufacturing facility
(1 of 2)
Operational Level
2–27
Information Listed
on Pesticide Labels
•
•
•
•
•
•
Routes of entry
Precautionary statements
Active ingredients
Requirements for storage and disposal
Antidotes for poisoning if known
Hazard statements indicating that the product
poses an environmental hazard
(2 of 2)
Operational Level
2–28
Contacting the Manufacturer or
Shipper to Obtain Information
• Shipping papers
• MSDS
• By contacting an emergency response agency
such as CHEMTREC®, CANUTEC, or SETIQ
Operational Level
2–29
Ways to Obtain an MSDS
in an Emergency
•
•
•
•
From the manufacturer of the material
From the supplier
From the shipper
From an emergency response center such as
CHEMTREC®
• From the facility hazard communication plan
Operational Level
2–30
Information Required on
an OSHA-Required MSDS
• Top — Chemical identity
• Section I — Manufacturer’s information and
chemical identity
• Section II — Hazardous ingredients
• Section III — Physical and chemical
characteristics
• Section IV — Fire and explosion hazard data(1 of 2)
Operational Level
2–31
Information Required on
an OSHA-Required MSDS
• Section V — Reactivity (instability) data
• Section VI — Health hazard data
• Section VII — Precautions for safe handling
and use
• Section VIII — Control measures
Operational Level
(2 of 2)
2–32
Monitoring and Detection Devices
• Combustible gas indicator (CGI)
– Is used to detect the concentration of combustible
gases and vapors in the air
– Measures the percentage of the LEL, percent of
gas by volume, or ppm of the material in air
– Sounds an alarm if hazardous or potentially
hazardous concentrations are found
(1 of 4)
Operational Level
2–33
Monitoring and Detection Devices
• Two-, three-, and four-gas monitors
– Are CGI sensors combined with
gas sensors to detect two,
four gases
– Sound an alarm when hazardous
potentially hazardous levels
detected
other
three, or
or
are
• Photoionization detector — Is used to detect
the concentrations of many organic and some
inorganic gases and vapors at the same time
(2 of 4)
Operational Level
2–34
Monitoring and Detection Devices
• Specific chemical monitors — Are used to sound
an alarm when the presence of a specific
chemical is detected
• Indicator papers and pH meters —
Change colors to indicate the presence
of
specific hazards such as oxidizers, hydrogen
sulfide, and peroxides
• Detector tubes — Test for a variety
of
gases and vapors; can be chemical
specific
detector or colorimetric
indicator types
(3 of 4)
(right)
Operational Level
2–35
Monitoring and Detection Devices
• Radiation monitors —
Detect levels of alpha,
beta, or gamma radiation
by collecting and counting
the number of ions
present
• Personal dosimeters — Are
worn as badges that
passively measure an
individual’s exposure to a
particular chemical or
radiation
Operational Level
(4 of 4)
2–36
Operational Level
Lesson 2 Presentation
Hazardous Materials for First
Responders, 3rd Ed.