172.400(a) — Hazmat labeling on packages
FMCSA violation code under Hazardous Materials. 378 events recorded in roadside inspections. Severity weight: 5.
Violation Description
Packages of hazardous materials not properly labeled with the correct hazard class label.
About This Violation Code
Code 172.400(a) falls under the Hazardous Materials BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 5 (scale 1-10, higher = more severe).
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 172.400 in the Federal Motor Carrier Safety Regulations.
Top Carriers Cited
Ranked by frequency • 334 carriers total • Page 1 of 14
Top Carriers with 172.400(a) Violations
Showing 25 of 334
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | GREENWOOD MOTOR LINES INC | 63391 | 5 |
| #2 | ROYAL LOGISTICS | 2489054 | 5 |
| #3 | AMERICAN GAS PRODUCTS INC | 4122406 | 3 |
| #4 | IMPERATIVE CHEMICAL PARTNERS INC | 1796904 | 3 |
| #5 | ISLAND POOLS INC | 2766236 | 3 |
| #6 | AEGIS CHEMICAL SOLUTIONS LLC | 2362381 | 3 |
| #7 | WELDORS SUPPLY HOUSE INC | 448077 | 3 |
| #8 | BRIGHTVIEW LANDSCAPES LLC | 362827 | 2 |
| #9 | CENTRAL VALLEY ENGINEERING & ASPHALT INC | 1860295 | 2 |
| #10 | SANTMYER LOGISTICS INC | 1014266 | 2 |
| #11 | DUPUY OXYGEN AND SUPPLY CO INC | 573832 | 2 |
| #12 | BETTIS ASPHALT & CONSTRUCTION INC | 983225 | 2 |
| #13 | GONZALO A REYES-CONTRARAS | 2530392 | 2 |
| #14 | JOHN MCNULTY | 1558126 | 2 |
| #15 | SUBURBAN PROPANE LP | 214695 | 2 |
| #16 | AMERICAN WELDING & GAS INC | 145402 | 2 |
| #17 | AGRI-EMPRESA TRANSPORTATION LLC | 266986 | 2 |
| #18 | NUCO2 SUPPLY LLC | 578807 | 2 |
| #19 | COMBINED ENERGY SERVICES INC | 328294 | 2 |
| #20 | IWS GAS AND SUPPLY LTD | 1314124 | 2 |
| #21 | DK WASH SOLUTIONS INC | 3613796 | 2 |
| #22 | AMERICAN RESIDENTIAL SERVICES LLC | 976643 | 2 |
| #23 | SOWEGA CHLORINATOR CO INC | 924368 | 2 |
| #24 | MACHINE & WELDING SUPPLY COMPANY | 108607 | 2 |
| #25 | KAMENKO EXPRESS INCORPORATED | 1419298 | 2 |
Recent Inspections
Latest inspections where 172.400(a) was cited • 378 total events • Page 1 of 16
Recent Inspections with 172.400(a)
Showing 25 of 378
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Oct 4, 2024 | 82860559 | TX | Level 1 | No |
| Oct 2, 2024 | 82836269 | TX | Level 2 | No |
| Oct 1, 2024 | 82805943 | IL | Level 1 | No |
| Sep 30, 2024 | 82804254 | LA | Level 2 | No |
| Sep 24, 2024 | 82748007 | NE | Level 1 | No |
| Sep 23, 2024 | 82733589 | OK | Level 1 | No |
| Sep 20, 2024 | 82731767 | NJ | Level 2 | No |
| Sep 13, 2024 | 82684842 | TX | Level 2 | No |
| Sep 11, 2024 | 82644150 | IA | Level 1 | No |
| Sep 11, 2024 | 82803188 | NY | Level 2 | No |
| Sep 10, 2024 | 82629977 | NY | Level 2 | No |
| Sep 3, 2024 | 82598328 | TX | Level 2 | No |
| Aug 31, 2024 | 82565634 | CA | Level 1 | No |
| Aug 30, 2024 | 82560139 | WY | Level 1 | No |
| Aug 26, 2024 | 82484652 | OK | Level 1 | No |
| Aug 22, 2024 | 82451841 | CT | Level 2 | No |
| Aug 20, 2024 | 82435554 | IA | Level 1 | No |
| Aug 16, 2024 | 82413371 | NC | Level 1 | No |
| Aug 16, 2024 | 82428264 | CA | Level 1 | No |
| Aug 15, 2024 | 82486663 | TX | Level 2 | No |
| Aug 13, 2024 | 82373817 | NV | Level 1 | No |
| Aug 1, 2024 | 82334937 | NY | Level 2 | No |
| Jul 25, 2024 | 82229681 | CA | Level 2 | No |
| Jul 24, 2024 | 82196087 | CT | Level 2 | No |
| Jul 19, 2024 | 82192554 | IA | Level 2 | No |