49 CFR 172 Special Provision W1 (W-Codes)
These provisions apply only to transportation by water.
| Code | W1 |
|---|---|
| Description | This substance in a non friable prill or granule form is not subject to the requirements of this subchapter when tested in accordance with the UN Manual of Test and Criteria (IBR, see §171.7 of this subchapter) and is found to not meet the definition or criteria for inclusion in Division 5.1. |
| HazMat with this Code |