CDL HazMat Endorsement case studies

CDL HazMat Endorsement · Put your knowledge to work in context.

The CDL HazMat endorsement - shown as "H" on a Commercial Driver's License - is the authorization a commercial driver needs to operate a vehicle carrying hazardous materials that require placarding. It is aimed at drivers hauling fuels, chemicals, compressed gases, and other regulated materials, and at drivers who want to open up those freight lanes. The CDL HazMat Endorsement case studies are 5 cases and about 3,839 words.

Four Totes of Gasoline: Bulk Packaging, Tank Vehicle, and the Endorsement on Your License

You hold a Class A CDL with the hazardous materials (H) endorsement. Your tank vehicle (N) endorsement has not been issued yet; the skills test is scheduled for next month.

602 words, about 3 min 2

Three Table 2 Materials, One Damaged Label, and a Ten-Minute Departure

You are loading at a chemical distributor for a multi-stop run in a dry van. The manifest totals: 1,100 lb gross of UN1263, Paint, 3, PG II, in non-bulk pails; 1,300 lb gross of UN1789, Hydrochloric acid, 8, PG II, in non-bulk drums; and 700 lb gross of UN3082, Environmentally hazardous substance, liquid, n.o.s.

796 words, about 4 min 3

Drums on Their Sides, a Weeping Bung, and a Payload That Does Not Add Up

You are at a paint and coatings plant to pick up 24 steel drums, 55 gallons each at 400 lb, of UN1993, Flammable liquid, n.o.s. (contains toluene), 3, PG II, plus 10 pallets of non-hazardous bagged sand at 900 lb each.

773 words, about 4 min 4

A Fuel Mist on a Cold Grade at 03:40

You are hauling 4,500 gallons of UN1203, Gasoline, 3, PG II, in an MC-306 tanker, placarded FLAMMABLE, from a terminal to a retail station 120 miles away. It is 03:40 and 28°F.

826 words, about 4 min 5

Two Totes of Hydrogen Peroxide, a Man With $200, and Two Pallets That Are Not on the Paperwork

You are under contract to move two 350-gallon totes of UN2014, Hydrogen peroxide, aqueous solution, with not less than 20% but not more than 60% hydrogen peroxide, 5.1 (8), PG II, from a port warehouse to a water treatment plant 210 miles away. Your company's security plan names a 24-hour security contact and requires a check-in call at the midpoint.

842 words, about 4 min