172.331(b) — 172.331(b)
FMCSA violation code under Hazardous Materials. 5 events recorded in roadside inspections. Severity weight: N/A.
Severity Weight
N/A
OOS Eligible
No
BASIC Category
Hazardous Materials
Total Events
5
Code
172.331(b)
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
N/A
Violation Group
—
Total Events
5
Carriers Cited
5
About This Violation Code
Code 172.331(b) 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 172.331 in the Federal Motor Carrier Safety Regulations.
Events (all time)
5
OOS Events
0
OOS Rate
0.0%
Top State (180d)
—
Top Carriers Cited
Ranked by frequency • 5 carriers total
Top Carriers with 172.331(b) Violations
fmcsa-violations
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | APOLLOS WATERS LLC | 2922489 | 1 |
| #2 | SHAWN MCKEE ENTERPRISES INC | 996840 | 1 |
| #3 | GRAF BROS LEASING INC | 674242 | 1 |
| #4 | JRP WASTE OIL SERVICE INC | 461215 | 1 |
| #5 | BERNER TRUCKING INC | 268464 | 1 |
Recent Inspections
Latest inspections where 172.331(b) was cited • 5 total events
Recent Inspections with 172.331(b)
fmcsa-inspections
Data sources & freshness
FMCSA Vehicle Inspections and Violations
Unknown freshness
Federal Motor Carrier Safety Regulations (49 CFR)
Unknown freshness