Reference Source

Oxidizers — class 5.1 with class ammonium nitrate (UN1942) — Carriage by Public Highway

For Oxidizers, transport mode is Carriage by Public Highway; segregation code is A; what the code requires is The note “A” in the second column of the table means that, notwithstanding the requirements of the letter “X”, ammonium nitrate (UN1942) and ammonium nitrate fertilizer may be loaded or stored with Division 1.1 (explosive) or Division 1.5 materials, unless otherwise prohibited by § 177.835(c), verified against its source on 2026-11-09.

First hazard class (table row)
5.1 verified
Second hazard class (table column)
ammonium nitrate (UN1942) verified
Row description
Oxidizers verified
Transport mode
Carriage by Public Highway
Segregation code
A verified
What the code requires
The note “A” in the second column of the table means that, notwithstanding the requirements of the letter “X”, ammonium nitrate (UN1942) and ammonium nitrate fertilizer may be loaded or stored with Division 1.1 (explosive) or Division 1.5 materials, unless otherwise prohibited by § 177.835(c). verified
Sourceecfr.gov
Verified
Review by
DatasetHazmat load segregation — which hazard classes may travel together, highway vs vessel

What the source says

Segregation code

The source prints this value inside the passage below but does not name it there. The passage shows where it appears; what ties it to this record is the position on the page, not anything the passage says.

Oxidizers | 5.1 | A | X | X | | X | | | | X | O | O | | | | | | X | | O

— ecfr.gov, retrieved 2026-09-25

Where each value comes from

This source states these in separate places, so each value is shown with the passage it comes from.

Second hazard class (table column)

The source prints this value inside the passage below but does not name it there. The passage shows where it appears; what ties it to this record is the position on the page, not anything the passage says.

The note “A” in the second column of the table means that, notwithstanding the requirements of the letter “X”, ammonium nitrate (UN1942) and ammonium nitrate fertilizer may be loaded or stored with Division 1.1 (explosive) or Division 1.5 materials, unless otherwise prohibited by § 177.835(c).

What the code requires

The note “A” in the second column of the table means that, notwithstanding the requirements of the letter “X”, ammonium nitrate (UN1942) and ammonium nitrate fertilizer may be loaded or stored with Division 1.1 (explosive) or Division 1.5 materials, unless otherwise prohibited by § 177.835(c).

— all from ecfr.gov, retrieved 2026-09-25

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.