172.328C — Not marked with QT or NQT on MC330 or MC331 cargo tank
FMCSA violation code under Hazardous Materials. 10 events recorded in roadside inspections. Severity weight: N/A.
Violation Description
Not marked with QT or NQT on MC330 or MC331 cargo tank
About This Violation Code
Code 172.328C 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 172.328C in the Federal Motor Carrier Safety Regulations.
Top Enforcing States
Where 172.328C 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 172.328C citations. Red bars mark months with OOS-triggering citations.
Most Active Stations
Inspection stations citing 172.328C 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 • 9 carriers total
Top Carriers with 172.328C Violations
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | MIDSTREAM TRANSPORTATION COMPANY | 2497677 | 2 |
| #2 | AHRENS BROTHERS TRANSPORT INC | 1849284 | 1 |
| #3 | L E B ENTERPRISES INC | 2274596 | 1 |
| #4 | WHEAT ENERGY SERVICES INC | 584180 | 1 |
| #5 | RED RIVER TRANSPORT INC | 341745 | 1 |
| #6 | INTER PETROLEUM LLC | 2442859 | 1 |
| #7 | SUREGROW AGRICULTURAL TRANSPORTATION INC | 920550 | 1 |
| #8 | SPECIALIZED INTERNATIONAL TRANSPORT LLC | 4195971 | 1 |
| #9 | WATER TECH TRANSPORTATION LLC | 461569 | 1 |
Recent Inspections
Latest inspections where 172.328C was cited • 10 total events
Recent Inspections with 172.328C
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Feb 16, 2026 | 87079186 | TX | Level 1 | No |
| Dec 4, 2025 | 86493572 | TX | Level 2 | No |
| Nov 21, 2025 | 86405920 | TX | Level 2 | No |
| Aug 24, 2025 | 85598882 | TX | Level 2 | No |
| Aug 12, 2025 | 85496329 | TX | Level 2 | No |
| Aug 5, 2025 | 85444405 | TX | Level 2 | No |
| Jul 6, 2025 | 85141684 | TX | Level 2 | No |
| Mar 21, 2025 | 84245565 | TX | Level 1 | No |
| Mar 14, 2025 | 84182087 | TX | Level 1 | No |
| Dec 19, 2024 | 83661333 | TX | Level 2 | No |