Ask X3What does 49 CFR 178.33-2 (Type and size) require?
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Short answer
49 CFR 178.33-2 requires single-trip inside containers to be seamless or have seams that are welded, soldered, brazed, double seamed, or swedged, with a maximum capacity of one liter and a maximum inside diameter of 3 inches.
The rule says
"Single-trip inside containers. Must be seamless, or with seams, welded, soldered, brazed, double seamed, or swedged." (49 CFR 178.33-2(a))
"The maximum capacity of containers in this class shall not exceed one liter (61.0 cubic inches). The maximum inside diameter shall not exceed 3 inches." (49 CFR 178.33-2(b))
In plain English
This regulation sets specific requirements for the construction and size of single-trip inside containers used to transport hazardous materials. The containers must be made with seamless construction or have seams that are securely closed using specific methods, and they must not exceed a certain size.
What to do
- Ensure that all single-trip inside containers used for hazardous materials transportation meet the requirements of 49 CFR 178.33-2.
- Verify that the containers are seamless or have seams that are welded, soldered, brazed, double seamed, or swedged.
- Check that the maximum capacity of the containers does not exceed one liter and the maximum inside diameter does not exceed 3 inches.