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United Nations/North American Number Datasheet

UN/NA 3492

Emergency Response Guidebook (ERG, 2020)

A caution icon. The ERG recommendations are developed for use during the initial phase of transportation incidents; they are not intended for spills at facilities.

Material Names

  • Poisonous by inhalation liquid, corrosive, flammable, n.o.s. (Inhalation Hazard Zone A)
  • Toxic by inhalation liquid, corrosive, flammable, n.o.s. (Inhalation Hazard Zone A)
ERG book cover

Response Guide 131

Flammable Liquids - Toxic Líquidos Inflamables - Tóxicos Liquides Inflammables - Toxiques

 

ERG Table 1: Initial Isolation and Protective Action Distances

Name of Material Small Spills
(from a small package or small leak)
Large Spills
(from a large package or many small packages)
First
Isolate
in all Directions
Then Protect Downwind First
Isolate
in all Directions
Then Protect Downwind
Day Night Day Night
Poisonous by inhalation liquid, corrosive, flammable, n.o.s. (Inhalation Hazard Zone A) 300 ft 0.6 mi 1.2 mi 1250 ft 3.0 mi 4.7 mi
Toxic by inhalation liquid, corrosive, flammable, n.o.s. (Inhalation Hazard Zone A) 300 ft 0.6 mi 1.2 mi 1250 ft 3.0 mi 4.7 mi

The ERG doesn't predict that large amounts of toxic-by-inhalation gases will be produced if this material is spilled in water.

Hazmat Table (49 CFR 172.101)

Note: UN/NA 3492 doesn't appear in the 49 CFR Hazmat Table.