49 CFR 172 Special Provision 37 (Numeric Codes)
These provisions are multi-modal and apply to bulk and non-bulk packagings.
| Code | 37 |
|---|---|
| Description | Unless it can be demonstrated by testing that the sensitivity of the substance in its frozen state is no greater than in its liquid state, the substance must remain liquid during normal transport conditions. It must not freeze at temperatures above −15 °C (5 °F). |
| HazMat with this Code |