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An easy way to memorize the Nine DOT Placards that are placed when offered into commerce. For CHMM Overview class that was held on April 5, 2013 at XENCO Laboratories in Stafford, TX.
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Nine DOT Hazard Classes
Acronym To Help Memorize
Albert V. Condello III CHMM
University of Houston Downtown
Introduction
There are nine (9) hazard classes that DOT requires when placarding a vehicle as well as labeling the container.
We will discuss an easy way to memorize those nine hazard classes in the correct order.
Remember, there might be a need to placard with more than one if the HMT requires the secondary hazard to also be noted.
DOT Chart 15
Refer to Hand Out
2012 Emergency Response Guidebook (Page 4) Hazard Classification System
http://youtu.be/wlZTc7z7yjI
Nine DOT Hazard Classes
Explosives Class 1Flammable/Combustible
Gases Class 2Flammable/Combustible
Liquids Class 3Flammable
Solids/Dangerous When Wet Class 4
Oxidizers/Organic Peroxides Class 5
Toxic/Infection Substances Class 6
Radioactive Materials Class 7
Corrosives Class 8 Other Regulated
Materials (ORM) Class 9
Acronym
Every Good Fire Fighter Ought To Receive Cash Money
Remember these nine (9) phases, they will help you to know what is the DOT Hazard Classes in the correct order.
Every
Class 1 - Explosives
Division 1.1 Explosives with a mass explosion hazardDivision 1.2 Explosives with a projection hazardDivision 1.3 Explosives with predominantly a fire hazardDivision 1.4 Explosives with no significant blast hazardDivision 1.5 Very insensitive explosives with a mass
explosion hazardDivision 1.6 Extremely insensitive articles
Good
Class 2 - Gases
Division 2.1 Flammable gases
Division 2.2 Non-flammable, non-toxic* gases
Division 2.3 Toxic* gases
§172.528 ,§172.530, §172.532, §172.540
Fire
Class 3 - Flammable liquids (and Combustible liquids [U.S.])
§172.542, §172.544
Fighter
Class 4 - Flammable solids; Spontaneously combustible materials; and Dangerous when wet materials/Water-reactive substances
Division 4.1 Flammable solidsDivision 4.2 Spontaneously combustible materialsDivision 4.3 Water-reactive substances/Dangerous
when wet materials
§172.546, §172.547, §172.548
Ought
Class 5 - Oxidizing substances and Organic peroxides
Division 5.1 Oxidizing substances
Division 5.2 Organic peroxides
§172.550, §172.552
To
Class 6 – Poison (Toxic) substances and Infectious substances & Poisonous Inhalation Hazards
Division 6.1 Toxic substancesDivision 6.2 Infectious substances
§172.504(f)(10), §172.554, §172.555
Receive
Class 7 - Radioactive materials
§172.556
Cash
Class 8 - Corrosive substances
§172.558
Money
Class 9 - Miscellaneous hazardous materials/Products, Substances or Organisms
A/k/a (ORM) Otherwise Regulated Materials
§172.560
Question
HOW MANY DIVISIONS PER GROUPS OF PLACARDS ?
Answer: 6,3,2,3,2,2 (Class 1 thru 6)
Proof: 6 (Class 1) 3(Class 2) 2(Class 3) 3(Class 4) 2 (Class 5) 2(Class 6)
Dangerous Placard
§172.521
A freight container, unit load device, transportvehicle, or rail car which contains non-bulkpackages with two or more categories ofhazardous materials that require different placardsspecified in table 2 §172.504(e) may beplacarded with Dangerous placards insteadof the specific placards required for each of thematerials in table 2. However, when 1,000 kg(2,205 lbs) or more of one category of materialis loaded at one loading facility, the placardspecified in table 2 must be applied.
Limited Qty
§172.315(a)(2)
(Vessel transport only)
When shipping by air
Environmental Pollutant
These Environmentally Hazardous Substance Markings are designed to help shippers and transporters easily identify any liquid or solid material, including its mixtures and solutions that are classified as marine pollutants.
For Further Info
Please feel free to contact
Albert V. Condello III CHMM
Professor – Safety & Fire Protection Engineering
University of Houston Downtown
Email: [email protected]
Cell 979-412-2219