Segregation Matrix
Hazardous materials segregation table for transport by highway per 49 CFR 177.848. Applies to materials in packages that must be labeled. Blank cells mean the regulation imposes no segregation requirement for that pair. Tap any cell for detail.
Legend
- XX — may not be loaded, transported, or stored together.
- OO — must be separated.
- ** — refer to the Class 1 explosives compatibility table.
Special row/column codes: 1.1-1.2 is a combined row for Divisions 1.1 and 1.2; 2.3A / 2.3B are Division 2.3 by hazard zone; 6.1PGIA is Division 6.1, Packing Group I, inhalation hazard Zone A. Hover any axis header for the full class name.
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Guidance only. Shipper is responsible per 49 CFR Parts 100-185. Verify against shipping papers.