NFPA DIMOND
PLACARDS CLASSES
CHEM 101
TRANSPORT
RESPONCE
100

What are the four colors in the NFPA diamond?

red blue white yellow

100

How many classes are there in placards?

9 classes

100

What scale measures the acids and bases? 

pH scale

100

How many different rail cars are there in the ERG?

6

100

The 3 zones established during an emergency event?

hot warm cold

200

What are the four categories of the diamond?

health, fire, reactivity, and other hazards 

200

what class do corrosive substances fall under?

class 8

200

What's the range of the pH scale?

0-14

200

what transport method is this and what does it carry?


box car bulk or non-bulk packages 

200

what is placard number 1327?

hay/ straw/ bhusa, wet/ damp, or contaminated with oil

300

How high do the numbers go?

0-4

300

daily double

What is being transported with this placard?


 organic peroxides

300

what is the circulation of air from hot to cold called?

convection current 


300

What railcar type would propane be transported in?

pressure tank car

300

what is in the trailer? 


flammable liquids- corrosive

400

What are the two main hazards to watch in this compound?


no water and the 3 in health 

400

What guide numbers is for class 3?

guide 127 & 128

400

A pH 3 acid is spilled, what level of base is needed to make it neutral? 

pH 11 

400

what type of trailer is this?


DOT412 TC412 SCT312 TC312

400

Daily Double

what are the 2 yellow placards? (hint 2nd and 4th number is a 9)


ammonium nitrate not more than 0.02% and oxidizing liquids 

500

List three other hazard classifications that can be found in the diamond? 

W (Water Reactive), OX (Oxidizer), BIO (Biohazard), COR (Corrosive), Cryo (Cryogenic), RAD (Radioactive), POI (Poison), and ACID or ALK

500

How many subdivisions are there in class 1 hazards?

6

500

daily double

What is the name of the reaction that causes heat to be released? 

exothermic reaction 


500

What is this transportation type called, and in our fire district, where are they loaded? 


compressed gas/ tube trailer XNG

500

There is a chlorine spill involving multiple small cylinders during the day, with low winds. How far downwind must be protected?  

.9 miles