UN/NA 1955
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UN/NA 1955 |
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The ERG recommendations are developed for use during the
initial phase of transportation incidents;
they are not intended for spills at facilities.
Material Names
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| Name of Material | Small Spills (from a small package or small leak) |
Large Spills (from a large package or many small packages) |
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First Isolate in all Directions |
Then Protect Downwind |
First Isolate in all Directions |
Then Protect Downwind | |||
| Day | Night | Day | Night | |||
| Compressed gas, poisonous, n.o.s. | 300 ft | 0.3 mi | 1.6 mi | 3000 ft | 3.6 mi | 6.3 mi |
| Compressed gas, poisonous, n.o.s. (Inhalation Hazard Zone A) | 300 ft | 0.3 mi | 1.6 mi | 3000 ft | 3.6 mi | 6.3 mi |
| Compressed gas, poisonous, n.o.s. (Inhalation Hazard Zone B) | 100 ft | 0.1 mi | 0.6 mi | 1250 ft | 1.4 mi | 3.2 mi |
| Compressed gas, poisonous, n.o.s. (Inhalation Hazard Zone C) | 100 ft | 0.1 mi | 0.2 mi | 500 ft | 0.6 mi | 1.8 mi |
| Compressed gas, poisonous, n.o.s. (Inhalation Hazard Zone D) | 100 ft | 0.1 mi | 0.1 mi | 500 ft | 0.5 mi | 1.3 mi |
| Compressed gas, toxic, n.o.s. | 300 ft | 0.3 mi | 1.6 mi | 3000 ft | 3.6 mi | 6.3 mi |
| Compressed gas, toxic, n.o.s. (Inhalation Hazard Zone A) | 300 ft | 0.3 mi | 1.6 mi | 3000 ft | 3.6 mi | 6.3 mi |
| Compressed gas, toxic, n.o.s. (Inhalation Hazard Zone B) | 100 ft | 0.1 mi | 0.6 mi | 1250 ft | 1.4 mi | 3.2 mi |
| Compressed gas, toxic, n.o.s. (Inhalation Hazard Zone C) | 100 ft | 0.1 mi | 0.2 mi | 500 ft | 0.6 mi | 1.8 mi |
| Compressed gas, toxic, n.o.s. (Inhalation Hazard Zone D) | 100 ft | 0.1 mi | 0.1 mi | 500 ft | 0.5 mi | 1.3 mi |
| Organic phosphate compound mixed with compressed gas | 300 ft | 0.7 mi | 2.1 mi | 1500 ft | 2.7 mi | 6.0 mi |
| Organic phosphate mixed with compressed gas | 300 ft | 0.7 mi | 2.1 mi | 1500 ft | 2.7 mi | 6.0 mi |
| Organic phosphorus compound mixed with compressed gas | 300 ft | 0.7 mi | 2.1 mi | 1500 ft | 2.7 mi | 6.0 mi |
The ERG doesn't predict that large amounts of toxic-by-inhalation gases will be produced if this material is spilled in water.
| UN/NA | Proper Shipping Name | Hazard Class | Labels | Notes* |
|---|---|---|---|---|
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* There are three notes: (1) whether the displayed information is for domestic (U.S.) or international shipping (if neither is specifically indicated, it applies to both), (2) whether the proper shipping name must include one or more technical names of the hazardous material in parentheses, and (3) whether the hazardous material is an inhalation hazard. |
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| NA | Organic phosphate, mixed with compressed gas or Organic phosphate compound, mixed with compressed gas or Organic phosphorus compound, mixed with compressed gas | 2.3 | 2.3 | Domestic (U.S.), Inhalation Hazard Zone C |
| UN | Compressed gas, toxic, n.o.s. Inhalation Hazard Zone A | 2.3 | 2.3 | Technical Name Required, Inhalation Hazard Zone A |
| UN | Compressed gas, toxic, n.o.s. Inhalation Hazard Zone B | 2.3 | 2.3 | Technical Name Required, Inhalation Hazard Zone B |
| UN | Compressed gas, toxic, n.o.s. Inhalation Hazard Zone C | 2.3 | 2.3 | Technical Name Required, Inhalation Hazard Zone C |
| UN | Compressed gas, toxic, n.o.s. Inhalation Hazard Zone D | 2.3 | 2.3 | Technical Name Required, Inhalation Hazard Zone D |
2.3 - Poisonous gas