CFR › Title 46 › Part 148 › §148.1146 CFR §148.11Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)General. When Column 5 refers to a code for a hazardous material or PDM, the meaning of that code is set forth in this section.(b)Table of Hazardous or Potentially Dangerous Characteristics.