Exceptions - Lab Packs

Lab packs refer to waste materials classed in specific hazard classes or divisions that are excepted from HMR packaging requirements for combination packages. To qualify as a lab pack, the package must be:

• Packaged in certain types of combination packagings in accordance with §173.12(b)
• Transported for disposal or recovery
• Transported by highway only

For lab packs, the outer packaging must be a UN1A2 or UN1B2 metal drum, UN1D plywood drum, UN1G fiber drum, or UN1H2 plastic drum tested and marked at least for Packing Group III materials. Gross weight may not exceed 205 kg. Any lab pack drum must be tested and marked as authorized at least for Packing Group III materials. The outer packaging may contain only one hazard class.

Inner packagings of glass must not be over 4 liters capacity; inner packagings of metal or plastic must not be over 20 liters capacity. Inner packagings of liquids must be surrounded by enough compatible absorbent material to absorb all of the liquid content.

To learn more about DOT HAZMAT Awareness visit our DOT HAZMAT General Awareness Online Training web page.