171.2A — Failure to comply with Hazardous Materials regulations
FMCSA violation code under Hazardous Materials Compliance. 25 events recorded in roadside inspections. Severity weight: N/A.
Violation Description
Failure to comply with Hazardous Materials regulations
About This Violation Code
Code 171.2A falls under the Hazardous Materials Compliance 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 Compliance 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 171.2A in the Federal Motor Carrier Safety Regulations.
Top Enforcing States
Where 171.2A 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 171.2A citations. Red bars mark months with OOS-triggering citations.
Most Active Stations
Inspection stations citing 171.2A 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 • 24 carriers total
Top Carriers with 171.2A Violations
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | CHEMSTATION PHILADELPHIA LTD | 3328928 | 2 |
| #2 | NU-WAY SPECIALIZED SERVICES INC | 1006139 | 1 |
| #3 | BASE DISTRIBUTING INC | 3984078 | 1 |
| #4 | PETRO MAX TRANSPORTS LLC | 2392247 | 1 |
| #5 | AIM OILFIELD SERVICES LLC | 2876973 | 1 |
| #6 | SARO TRANSPORTS LLC | 4154260 | 1 |
| #7 | ENERGY TRANSFER LP | 1865761 | 1 |
| #8 | GILBERT INTERESTS INC | 2042587 | 1 |
| #9 | HUKILL'S INC | 1518798 | 1 |
| #10 | KVP ENERGY SERVICES LLC | 2345072 | 1 |
| #11 | ASA PRO TRANS INC | 3070048 | 1 |
| #12 | UNITED PETROLEUM TRANSPORTS INC | 185040 | 1 |
| #13 | IMPERATIVE CHEMICAL PARTNERS INC | 1796904 | 1 |
| #14 | HOBBS RENTAL LLC | 2053622 | 1 |
| #15 | KENERGY OILFIELD SOLUTIONS LLC | 2568936 | 1 |
| #16 | CLINCH MOUNTAIN TRANSPORT INC | 487665 | 1 |
| #17 | ALLEN MEASUREMENT SERVICES LLC | 2802665 | 1 |
| #18 | E & E BESHEY TRUCKING LLC | 1742279 | 1 |
| #19 | XPRESS INTERNACIONAL S DE RL DE CV | 1598663 | 1 |
| #20 | QUORUM CALIBRATION LLC | 4161127 | 1 |
| #21 | GULFMEX ENERGY SERVICES LLC | 3095306 | 1 |
| #22 | SUNOCO RETAIL LLC | 10328 | 1 |
| #23 | ENDURA PRODUCTS CORP | 605474 | 1 |
| #24 | ALTOM TRANSPORT INC | 297572 | 1 |
Recent Inspections
Latest inspections where 171.2A was cited • 25 total events
Recent Inspections with 171.2A
Showing 24 of 25
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Mar 25, 2026 | 87440908 | TX | Level 1 | No |
| Jan 20, 2026 | 86865424 | TX | Level 2 | No |
| Dec 8, 2025 | 86554227 | TX | Level 2 | No |
| Oct 24, 2025 | 86208753 | TX | Level 2 | No |
| Oct 15, 2025 | 86120820 | TX | Level 1 | No |
| Sep 22, 2025 | 85869648 | TX | Level 2 | No |
| Sep 11, 2025 | 85780938 | TX | Level 2 | No |
| Aug 21, 2025 | 85585229 | TX | Level 2 | No |
| Apr 4, 2025 | 84341760 | TX | Level 2 | No |
| Mar 22, 2025 | 84275662 | TX | Level 2 | Yes |
| Feb 27, 2025 | 84017303 | TX | Level 1 | No |
| Feb 6, 2025 | 83842661 | TX | Level 1 | No |
| Dec 26, 2024 | 83487753 | IA | Level 2 | No |
| Dec 2, 2024 | 83366489 | TX | Level 2 | No |
| Nov 22, 2024 | 83300145 | TX | Level 2 | No |
| Nov 21, 2024 | 83255520 | TX | Level 1 | No |
| Nov 14, 2024 | 83186192 | TX | Level 1 | No |
| Nov 7, 2024 | 83137167 | TX | Level 2 | No |
| Oct 31, 2024 | 83048573 | AL | Level 2 | No |
| Oct 22, 2024 | 82992858 | PA | Level 2 | No |
| Oct 15, 2024 | 82941804 | TX | Level 2 | No |
| Oct 7, 2024 | 82870942 | TX | Level 2 | No |
| May 15, 2024 | 81644211 | TX | Level 1 | No |
| Mar 19, 2024 | 81141404 | OH | Level 2 | No |