172.407 — 172.407
FMCSA violation code under Hazardous Materials. 194 events recorded in roadside inspections. Severity weight: N/A.
About This Violation Code
Code 172.407 falls under the Hazardous Materials BASIC category in FMCSA's Safety Measurement System (SMS).
When this violation is cited during a roadside inspection, it contributes to the carrier's Hazardous Materials BASIC score. Carriers with high BASIC percentiles may be prioritized for FMCSA interventions including warning letters, investigations, or compliance reviews.
Regulatory Reference
Federal Motor Carrier Safety Regulations
This violation references 49 CFR 172.407 in the Federal Motor Carrier Safety Regulations.
Top Enforcing States
Where 172.407 is most commonly cited (last 180 days)
Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.
Citation Trend (12 months)
Monthly count of 172.407 citations. Red bars mark months with OOS-triggering citations.
Most Active Stations
Inspection stations citing 172.407 most often (last 180 days)
Often Cited Together
Other violations commonly found on the same inspection (last 90 days)
Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).
Top Carriers Cited
Ranked by frequency • 140 carriers total • Page 1 of 6
Top Carriers with 172.407 Violations
Showing 25 of 140
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | FOAMTECH INCORPORATED | 1192448 | 8 |
| #2 | WELDORS SUPPLY HOUSE INC | 448077 | 7 |
| #3 | MAXFLOW CHEMICALS OF TEXAS LLC | 2369876 | 7 |
| #4 | IMPERATIVE CHEMICAL PARTNERS INC | 1796904 | 5 |
| #5 | ACME TRUCK LINE INC | 52767 | 3 |
| #6 | AMERICAN WELDING & GAS INC | 145402 | 3 |
| #7 | ANDY OXY COMPANY INC | 229980 | 3 |
| #8 | RHENIUM LUBRICANTS AND SPECIALITY CHEMICALS LLC | 3192600 | 3 |
| #9 | REDLINE COURIER EXPRESS INC | 809056 | 3 |
| #10 | WESTAIR GASES AND EQUIPMENT INC | 984817 | 2 |
| #11 | LOMMA LLC | 2634147 | 2 |
| #12 | AMERICAN RESIDENTIAL SERVICES LLC | 976643 | 2 |
| #13 | NEIER INC | 394563 | 2 |
| #14 | WEST ELK SUPPLY LLC | 2590130 | 2 |
| #15 | DUPUY OXYGEN AND SUPPLY CO INC | 573832 | 2 |
| #16 | RIG RUNNERS LLC | 1014498 | 2 |
| #17 | MACHINE & WELDING SUPPLY COMPANY | 108607 | 2 |
| #18 | HERCULES FORWARDING LLC | 424572 | 2 |
| #19 | NUCO2 SUPPLY LLC | 578807 | 2 |
| #20 | SUBURBAN PROPANE LP | 214695 | 2 |
| #21 | ATLANTIC INFRARED | 1720627 | 2 |
| #22 | WEBB BROTHERS SERVICES LLC | 2787580 | 2 |
| #23 | JOHNS SALES AND SERVICE INC | 2844515 | 2 |
| #24 | TROPHY TRUCKING SERVICES LLC | 2871129 | 2 |
| #25 | GAS AND SUPPLY NORTH TEXAS LLC | 2570543 | 2 |
Recent Inspections
Latest inspections where 172.407 was cited • 194 total events • Page 1 of 8
Recent Inspections with 172.407
Showing 25 of 194
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Mar 31, 2026 | 87487820 | TX | Level 2 | No |
| Mar 24, 2026 | 87423602 | TX | Level 2 | No |
| Mar 19, 2026 | 87345039 | TX | Level 1 | No |
| Feb 28, 2026 | 87191642 | TX | Level 2 | No |
| Feb 12, 2026 | 87065445 | TX | Level 1 | No |
| Feb 5, 2026 | 87033304 | TX | Level 2 | No |
| Feb 4, 2026 | 87033666 | TX | Level 1 | No |
| Jan 28, 2026 | 86938701 | TX | Level 2 | No |
| Jan 15, 2026 | 86877386 | TX | Level 1 | No |
| Jan 6, 2026 | 86877603 | TX | Level 1 | No |
| Dec 27, 2025 | 86695278 | TX | Level 2 | No |
| Dec 23, 2025 | 86665585 | TX | Level 2 | No |
| Dec 17, 2025 | 86606528 | TX | Level 1 | No |
| Nov 26, 2025 | 86461466 | TX | Level 2 | No |
| Oct 29, 2025 | 86199663 | TX | Level 2 | No |
| Oct 16, 2025 | 86159372 | TX | Level 2 | No |
| Oct 15, 2025 | 86120650 | TX | Level 1 | No |
| Sep 16, 2025 | 85841601 | TX | Level 1 | No |
| Sep 9, 2025 | 85891122 | IL | Level 1 | No |
| Aug 7, 2025 | 85533555 | TX | Level 2 | No |
| Aug 1, 2025 | 85422156 | TX | Level 2 | No |
| Jul 31, 2025 | 85399628 | TX | Level 2 | No |
| Jul 29, 2025 | 85362908 | TX | Level 2 | No |
| Jun 21, 2025 | 85031641 | TX | Level 2 | No |
| Jun 19, 2025 | 85002782 | TX | Level 2 | No |