ID Number Lookup
Name Lookup
Isolation & Protective Distances
PPE & Safety
Special Situations
100
This ERG section lets you look up a hazardous material by its 4-digit ID number.
What is the Yellow Section?
100
This section lets you look up a hazardous material by its name.
What is the Blue Section?
100
This section of the ERG shows initial isolation and protective action distances.
What is the Green Section?
100
This color-coded section provides general guidelines on protective actions and PPE.
What is the Orange Section?
100
This guide number is always used for “Mixed Load/Unknown Materials.”
What is Guide 111?
200
If you see ID number 1203, this is the substance.
What is Gasoline?
200
If you look up Ethanol in the Blue Section, this is its ID number.
What is 1170?
200
For Chlorine (1017), the initial isolation distance for a small spill in daytime is this.
What is 100 feet?
200
Firefighters should wear this level of protection when dealing with toxic vapors.
What is Level A?
200
If you see a placard with no ID number and can’t identify the material, use this guide.
What is Guide 111?
300
The ID number for Chlorine is this.
What is 1017
300
Sulfur Dioxide is listed with this ID number.
What is 1079?
300
A large spill of Anhydrous Ammonia (1005) requires an initial isolation distance of this in daylight.
What is 200 feet?
300
For flammable gases, responders must eliminate these sources immediately.
What are ignition sources?
300
These types of hazardous materials are assigned to Table 1 (TIH – Toxic Inhalation Hazards) in the Green Section.
What are poisonous gases and volatile toxic liquids?
400
This ID number belongs to Anhydrous Ammonia.
What is 1005?
400
The substance Acetone has this ID number.
What is 1090?
400
At night, a large spill of Chlorine (1017) requires a protective action distance of this.
What is 7.4 miles?
400
This section often reminds responders: “Do not touch or walk through spilled material.”
What is the Orange Section?
400
Radioactive materials use this special placard symbol.
What is the trefoil (three-bladed radiation symbol)?
500
ID number 1824 refers to this corrosive material.
What is Sodium Hydroxide solution?
500
This is the ID number for Hydrogen Cyanide, stabilized.
What is 1051?
500
Hydrogen Fluoride (1052) requires this protective action distance (large spill, day).
What is 2.2 miles?
500
For radioactive materials, PPE guidance is found in this special ERG table.
What is Table 1 in the Green Section?
500
The ERG recommends contacting these two resources immediately for detailed incident-specific information.
What are CHEMTREC and CANUTEC?
- CANUTEC stands for Canadian Transport Emergency Centre.
It’s a 24/7 emergency response advice service operated by Transport Canada.Similar to CHEMTREC in the U.S., but it serves Canada.