49 CFR 172 Special Provision 146 (Numeric Codes)

These provisions are multi-modal and apply to bulk and non-bulk packagings.
DescriptionThis description may be used for a material that poses a hazard to the environment but does not meet the definition for a hazardous waste or a hazardous substance, as defined in §171.8 of this subchapter, or any hazard class, as defined in part 173 of this subchapter, if it is designated as environmentally hazardous by another Competent Authority. This provision may be used for both domestic and international shipments.
HazMat with this Code

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