The following hazmat violations are among the most common.
Violation
Relevant Code
Package not secure in vehicle
177.834(a)
No copy of U.S. DOT hazmat registration number
107.620(b)
No shipping papers, carrier
177.817(a)
Shipping paper accessibility
177.817(e)
No required placards or markings
177.823(a)
Vehicle not placarded as required
172.504(a)
Prohibited placarding
172.502(a)(1)
Placard damaged, deteriorated, or obscured
172.516(c)(6)
Maintenance/accessibility of emergency response information
172.602(c)(1)
Offer or transport without emergency response information
172.600(c)