TruckCodex

172.400A1-HML — Hazmat labeling on packages

FMCSA violation code under Hazardous Materials. 341 events recorded in roadside inspections. Severity weight: 5.

Severity Weight
5
OOS Eligible
No
BASIC Category
Hazardous Materials
Total Events
341
Code
172.400A1-HML
Code System
FMCSR
BASIC Category
Hazardous Materials
OOS Eligible
No
Severity Weight
5
Violation Group
—
Total Events
341
Carriers Cited
305

Violation Description

Packages of hazardous materials not properly labeled with the correct hazard class label.

About This Violation Code

Code 172.400A1-HML 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 172.400A1 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
341
OOS Events
0
OOS Rate
0.0%
Top State (180d)
Missouri
13 events

Top Enforcing States

Where 172.400A1-HML is most commonly cited (last 180 days)

1.Missouri
13
OOS 0.0%
2.New York
10
OOS 0.0%
3.New Jersey
7
OOS 0.0%
4.Minnesota
5
OOS 0.0%
5.California
5
OOS 0.0%
6.Virgin Islands
4
OOS 0.0%
7.Connecticut
4
OOS 0.0%
8.Louisiana
4
OOS 0.0%
9.Wyoming
4
OOS 0.0%
10.Pennsylvania
3
OOS 0.0%
11.Kansas
3
OOS 0.0%
12.Arizona
3
OOS 0.0%
13.Oregon
3
OOS 0.0%
14.Oklahoma
2
OOS 0.0%
15.US
2
OOS 0.0%

Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.

Citation Trend (12 months)

Monthly count of 172.400A1-HML citations. Red bars mark months with OOS-triggering citations.

6
Apr
24
May
24
Jun
24
Jul
21
Aug
16
Sep
10
Oct
16
Nov
21
Dec
15
Jan
15
Feb
19
Mar

Most Active Stations

Inspection stations citing 172.400A1-HML most often (last 180 days)

1.KANSAS CITY MO
11
OOS 0.0%
2.NJ
3
OOS 0.0%
3.CHARLOTTE AMALIE VI
3
OOS 0.0%
4.CORDELIA IF
3
OOS 0.0%
5.TONOPAH AZ
2
OOS 0.0%
6.VT
2
OOS 0.0%
7.GARDEN CITY NY
2
OOS 0.0%
8.GREENWICH SCALE
2
OOS 0.0%
9.WOODLAND PARK CO
1
OOS 0.0%
10.FORT COLLINS CO
1
OOS 0.0%

Often Cited Together

Other violations commonly found on the same inspection (last 90 days)

396.17C-PI23 co-occurrences177.817A-HMSP13 co-occurrences177.834A-HMC13 co-occurrences390.21TB2-DOT8 co-occurrences392.2-SLLSR8 co-occurrences172.600C1-HMER8 co-occurrences393.43DBMA7 co-occurrences393.9A-LTSI7 co-occurrences393.9A-LIL6 co-occurrences172.301A1-HMMS6 co-occurrences

Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).

Top Carriers Cited

Ranked by frequency • 305 carriers total • Page 1 of 13

Top Carriers with 172.400A1-HML Violations

Showing 25 of 305

fmcsa-violations
Top Carriers with 172.400A1-HML Violations
#CarrierUSDOT# Violations
#1ANTILLES GAS CORPORATION1835556
#2SUNTECH GROUP INC6596464
#3OAP TRANSPORTATION LLC2220243
#4SOUTHEASTERN FREIGHT LINES INC634193
#5AUTOMOTIVE SUPPLY ASSOCIATES INC3756643
#6MASOULEH CORP - HYGRADE OIL9664432
#7SUNBELT ENVIRONMENTAL SERVICES INC11864342
#8PAUL W MCCORMICK31297002
#9SHINE WINDOW CLEANING COMPANY LLC41664942
#10INTERCON CONSTRUCTION TRUCKING INC3844852
#11JASON RAUL CARRION PASTOR40584402
#12CLEAN EARTH SPECIALTY WASTE SOLUTIONS INC13484112
#13SSL TRUCKING INC39271672
#14AUTOZONE TEXAS LLC2883232
#15ESCOE INDUSTRIAL CONTRACTORS INC9501452
#16LEE'D WAY LLC37228622
#17M JESUS CONSTRUCTION CORP17380742
#18ASPHALT RESTORATION ENTERPRISES LLC29223502
#19GARCIA TREE REMOVAL SERVICE CORP34904902
#20SONIA NOEMI MUNOZ BERRIOS41549252
#21ABF FREIGHT SYSTEM INC828662
#22PDB GRID WORKS INC41648912
#23OLD DOMINION FREIGHT LINE INC908492
#24DEMARAY HARVESTING & TRUCKING LLC4186132
#25LIFT POWER INC5903532

Recent Inspections

Latest inspections where 172.400A1-HML was cited • 341 total events • Page 1 of 14

Recent Inspections with 172.400A1-HML

Showing 25 of 341

fmcsa-inspections
Recent Inspections with 172.400A1-HML
DateReport #StateLevelOOS
Mar 27, 202687473373MOLevel 1No
Mar 27, 202687435300ALLevel 2No
Mar 25, 202687414473AZLevel 2No
Mar 25, 202687415546AZLevel 2No
Mar 24, 202687436363NYLevel 1No
Mar 20, 202687401471MOLevel 1No
Mar 20, 202687370350MALevel 2No
Mar 19, 202687403292SDLevel 5No
Mar 19, 202687400913SDLevel 5No
Mar 16, 202687319327KSLevel 1No
Mar 12, 202687301824OKLevel 1No
Mar 12, 202687282402MOLevel 1No
Mar 10, 202687260566MOLevel 1No
Mar 9, 202687275212PALevel 2No
Mar 9, 202687259611ORLevel 1No
Mar 7, 202687237440TNLevel 2No
Mar 6, 202687243131WYLevel 1No
Mar 5, 202687268968NYLevel 1No
Mar 4, 202687220466AZLevel 1No
Feb 27, 202687181231KSLevel 1No
Feb 26, 202687208989MNLevel 1No
Feb 26, 202687170380PALevel 1No
Feb 25, 202687158490FLLevel 2No
Feb 20, 202687105222ORLevel 2No
Feb 10, 202687058904NYLevel 2No

Data sources & freshness

FMCSA Vehicle Inspections and Violations
Unknown freshness
Federal Motor Carrier Safety Regulations (49 CFR)
Unknown freshness

Related records

CategoryAll Hazardous Materials Violations
Browse all violation codes in the Hazardous Materials BASIC
IndexAll Violation Codes
FMCSR violation codes by BASIC category
ReferenceFMCSA Roadside Inspections
Inspection levels and procedures
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