← Back to CBT Library

ammo 62

AMMO-62 course covering hazmat shipper certification under 49 CFR: shipping papers and the shipper's certification, emergency response information, package marking and labeling, placarding tables, hazard class definitions, motor carrier loading of Class 1 explosives, segregation, hazmat training and security plans, and civil penalties.

60 questions and answers60 of 60 verified against the official source

Last reviewed · How this key is checked

Studying for this with your unit? Send it to them.

🃏 Flashcards
01Which Defense Ammunition Center course is the 80-hour course that certifies students to certify hazardous materials for shipment?
A:

AMMO-62, Technical Transportation of Hazardous Materials. The Army describes it as an 80-hour course whose graduates receive a two-year certification entitling them to certify hazardous materials for safe shipment.

VERIFIED AGAINST THE SOURCE

“Students completing the course receive a two-year certification entitling them to certify hazardous materials for safe shipment.”

— U.S. Army, "Ammo-62 course taught in Southwest Asia", army.mil article 71229 (Dec. 23, 2011) ↗
02How long is the hazardous materials certification earned in AMMO-62 good for?
A:

Two years. Students completing the course receive a two-year certification entitling them to certify hazardous materials for safe shipment.

VERIFIED AGAINST THE SOURCE

“Students completing the course receive a two-year certification entitling them to certify hazardous materials for safe shipment.”

— U.S. Army, "Ammo-62 course taught in Southwest Asia", army.mil article 71229 (Dec. 23, 2011) ↗
03When a shipping paper lists both hazardous and non-hazardous materials, what are the three ways to set the hazmat entries apart?
A:

Enter the hazardous materials first, enter them in a clearly contrasting color, or put an "X" (or "RQ") in a column captioned "HM" before the basic description. Under 49 CFR 172.201(a)(1) any one of these three methods is acceptable.

VERIFIED AGAINST THE SOURCE

“Must be identified by the entry of an “X” placed before the basic shipping description required by § 172.202 in a column captioned “HM.” (The “X” may be replaced by “RQ,” if appropriate.)”

— 49 CFR Part 172 Subpart C, Shipping Papers (172.200-172.205) (eCFR, current as of 2026-10-22) ↗
04May the required hazmat shipping description be written in a language other than English or use abbreviations?
A:

No. The shipping paper must be legible and printed (manually or mechanically) in English, and the required shipping description may not contain any code or abbreviation unless one is specifically authorized.

VERIFIED AGAINST THE SOURCE

“the required shipping description may not contain any code or abbreviation”

— 49 CFR Part 172 Subpart C, Shipping Papers (172.200-172.205) (eCFR, current as of 2026-10-22) ↗
05How long must a shipper keep a copy of a hazardous waste shipping paper compared with a shipping paper for other hazardous materials?
A:

Three years for hazardous waste and two years for all other hazardous materials, counted from when the initial carrier accepts the material (49 CFR 172.201(e)).

VERIFIED AGAINST THE SOURCE

“For a hazardous waste, the shipping paper copy must be retained for three years after the material is accepted by the initial carrier. For all other hazardous materials, the shipping paper must be retained for two years after the material is accepted by the initial carrier.”

— 49 CFR Part 172 Subpart C, Shipping Papers (172.200-172.205) (eCFR, current as of 2026-10-22) ↗
06In the basic shipping description, how is the packing group written?
A:

In Roman numerals (I, II or III), as designated in Column (5) of the Hazardous Materials Table. 49 CFR 172.202(a) lists the packing group after the identification number, proper shipping name and hazard class.

VERIFIED AGAINST THE SOURCE

“The packing group in Roman numerals, as designated for the hazardous material in Column (5)”

— 49 CFR Part 172 Subpart C, Shipping Papers (172.200-172.205) (eCFR, current as of 2026-10-22) ↗
07Where on the shipping paper are the letters "RQ" placed for a hazardous substance?
A:

Either before or after the basic description. 49 CFR 172.203 requires "RQ" on the shipping paper for each hazardous substance.

VERIFIED AGAINST THE SOURCE

“The letters “RQ” must be entered on the shipping paper either before or after the basic description required by § 172.202 for each hazardous substance”

— 49 CFR Part 172 Subpart C, Shipping Papers (172.200-172.205) (eCFR, current as of 2026-10-22) ↗
08What words must follow the basic description on a shipping paper for a limited quantity?
A:

"Limited Quantity" or "Ltd Qty". 49 CFR 172.203 requires one of these phrases following the basic description.

VERIFIED AGAINST THE SOURCE

“must include the words “Limited Quantity” or “Ltd Qty” following the basic description”

— 49 CFR Part 172 Subpart C, Shipping Papers (172.200-172.205) (eCFR, current as of 2026-10-22) ↗
09What extra wording must a shipping paper carry for a material that is poisonous by inhalation?
A:

"Poison-Inhalation Hazard" or "Toxic-Inhalation Hazard" plus the hazard zone: Zone A, B, C or D for gases, or Zone A or B for liquids (49 CFR 172.203).

VERIFIED AGAINST THE SOURCE

“the words “Poison-Inhalation Hazard” or “Toxic-Inhalation Hazard” and the words “Zone A”, “Zone B”, “Zone C”, or “Zone D” for gases or “Zone A” or “Zone B” for liquids”

— 49 CFR Part 172 Subpart C, Shipping Papers (172.200-172.205) (eCFR, current as of 2026-10-22) ↗
10What is the exact wording of the shipper's certification statement in 49 CFR 172.204(a)?
A:

"This is to certify that the above-named materials are properly classified, described, packaged, marked and labeled, and are in proper condition for transportation according to the applicable regulations of the Department of Transportation." The words "herein-named" may replace "above-named".

VERIFIED AGAINST THE SOURCE

“the words “herein-named” may be substituted for the words “above-named””

— 49 CFR Part 172 Subpart C, Shipping Papers (172.200-172.205) (eCFR, current as of 2026-10-22) ↗
11Who may sign the shipper's certification on a hazmat shipping paper, and how may it be signed?
A:

A principal, officer, partner or employee of the shipper or of the shipper's agent; the signature may be manual, by typewriter, or by other mechanical means (49 CFR 172.204(d)).

VERIFIED AGAINST THE SOURCE

“May be legibly signed manually, by typewriter, or by other mechanical means”

— 49 CFR Part 172 Subpart C, Shipping Papers (172.200-172.205) (eCFR, current as of 2026-10-22) ↗
12Besides the shipping description, what minimum emergency response information must accompany a hazmat shipment?
A:

Immediate health hazards, fire or explosion risks, immediate precautions after an accident, methods for handling fires, initial methods for spills or leaks without fire, and preliminary first aid (49 CFR 172.602(a)). It must be available away from the package.

VERIFIED AGAINST THE SOURCE

“Available for use away from the package containing the hazardous material”

— 49 CFR Part 172 Subpart G, Emergency Response Information (172.600-172.606) (eCFR, current as of 2026-10-22) ↗
13Does an answering service or beeper number meet the emergency response telephone number requirement?
A:

No. The number must be monitored at all times the material is in transportation, including storage incidental to transportation, and a number that requires a call back does not meet 49 CFR 172.604.

VERIFIED AGAINST THE SOURCE

“A telephone number that requires a call back (such as an answering service, answering machine, or beeper device) does not meet the requirements”

— 49 CFR Part 172 Subpart G, Emergency Response Information (172.600-172.606) (eCFR, current as of 2026-10-22) ↗
14Which hazmat training component is meant to help an employee recognize and identify hazardous materials?
A:

General awareness/familiarization training. 49 CFR 172.704(a)(1) says it provides familiarity with the HMR and enables the employee to recognize and identify hazardous materials.

VERIFIED AGAINST THE SOURCE

“General awareness/familiarization training. Each hazmat employee shall be provided general awareness/familiarization training designed to provide familiarity with the requirements of this subchapter, and to enable the employee to recognize and identify hazardous materials”

— 49 CFR Part 172 Subpart H, Training (172.700-172.704) (eCFR, current as of 2026-10-22) ↗
15Within how many days after being hired must a new hazmat employee receive security awareness training?
A:

Within 90 days after employment (49 CFR 172.704(a)(4)).

VERIFIED AGAINST THE SOURCE

“New hazmat employees must receive the security awareness training required by this paragraph within 90 days after employment.”

— 49 CFR Part 172 Subpart H, Training (172.700-172.704) (eCFR, current as of 2026-10-22) ↗
16What topics must in-depth security training cover for employees under a security plan?
A:

Company security objectives, organizational security structure, specific security procedures, each employee's security duties and responsibilities, and the actions each employee takes if there is a security breach (49 CFR 172.704(a)(5)).

VERIFIED AGAINST THE SOURCE

“Security training must include company security objectives, organizational security structure, specific security procedures, specific security duties and responsibilities for each employee, and specific actions to be taken by each employee in the event of a security breach.”

— 49 CFR Part 172 Subpart H, Training (172.700-172.704) (eCFR, current as of 2026-10-22) ↗
17May a newly hired or reassigned hazmat employee perform hazmat functions before completing training?
A:

Yes, but only under the direct supervision of a properly trained and knowledgeable hazmat employee, and the training must be completed within 90 days after employment or a change in job function (49 CFR 172.704(c)(1)).

VERIFIED AGAINST THE SOURCE

“The employee performs those functions under the direct supervision of a properly trained and knowledgeable hazmat employee; and (ii) The training is completed within 90 days after employment or a change in job function.”

— 49 CFR Part 172 Subpart H, Training (172.700-172.704) (eCFR, current as of 2026-10-22) ↗
18What is the longest a hazmat employee may go between required training sessions under 49 CFR 172.704(c)(2)?
A:

Three years. A hazmat employee must receive the required training at least once every three years.

VERIFIED AGAINST THE SOURCE

“A hazmat employee must receive the training required by this subpart at least once every three years.”

— 49 CFR Part 172 Subpart H, Training (172.700-172.704) (eCFR, current as of 2026-10-22) ↗
19How long must a hazmat employer keep an employee's training record, and what must the record certify?
A:

It must cover the preceding three years and be kept for as long as the person is employed as a hazmat employee and for 90 days after. It must include certification that the employee has been trained and tested (49 CFR 172.704(d)).

VERIFIED AGAINST THE SOURCE

“Certification that the hazmat employee has been trained and tested”

— 49 CFR Part 172 Subpart H, Training (172.700-172.704) (eCFR, current as of 2026-10-22) ↗
20What quantity of Division 1.1, 1.2 or 1.3 explosives triggers the requirement for a hazmat security plan?
A:

Any quantity. 49 CFR 172.800(b)(1) lists any quantity of a Division 1.1, 1.2, or 1.3 material first among the shipments requiring a security plan.

VERIFIED AGAINST THE SOURCE

“(1) Any quantity of a Division 1.1, 1.2, or 1.3 material.”

— 49 CFR Part 172 Subpart I, Safety and Security Plans (172.800-172.822) (eCFR, current as of 2026-10-22) ↗
21For security plan purposes, what counts as a "large bulk quantity"?
A:

More than 3,000 kg (6,614 pounds) for solids, or more than 3,000 liters (792 gallons) for liquids and gases, in a single packaging (49 CFR 172.800(b)).

VERIFIED AGAINST THE SOURCE

““large bulk quantity” refers to a quantity greater than 3,000 kg (6,614 pounds) for solids or 3,000 liters (792 gallons) for liquids and gases”

— 49 CFR Part 172 Subpart I, Safety and Security Plans (172.800-172.822) (eCFR, current as of 2026-10-22) ↗
22What three security risk areas must a hazmat security plan address?
A:

Personnel security, unauthorized access, and en route security (49 CFR 172.802(a)).

VERIFIED AGAINST THE SOURCE

“En route security. Measures to address the assessed security risks of shipments of hazardous materials”

— 49 CFR Part 172 Subpart I, Safety and Security Plans (172.800-172.822) (eCFR, current as of 2026-10-22) ↗
23Must a hazmat security plan be written, and how often must it be reviewed?
A:

Yes. It must be in writing, kept for as long as it remains in effect, and reviewed at least annually (49 CFR 172.802).

VERIFIED AGAINST THE SOURCE

“must be in writing and must be retained for as long as it remains in effect. The security plan must be reviewed at least annually”

— 49 CFR Part 172 Subpart I, Safety and Security Plans (172.800-172.822) (eCFR, current as of 2026-10-22) ↗
24What two markings does 49 CFR 172.301(a)(1) require on a non-bulk hazmat package?
A:

The proper shipping name and the identification number, preceded by "UN", "NA" or "ID" as appropriate.

VERIFIED AGAINST THE SOURCE

“must mark the package with the proper shipping name and identification number (preceded by “UN”, “NA” or “ID,” as appropriate)”

— 49 CFR Part 172 Subpart D, Marking (172.300-172.338) (eCFR, current as of 2026-10-22) ↗
25How must package orientation arrows be displayed on a combination package containing liquids?
A:

On two opposite vertical sides, pointing in the correct upright direction, in black or red on a white or other contrasting background, with the inner packagings packed closures upward (49 CFR 172.312(a)).

VERIFIED AGAINST THE SOURCE

“on two opposite vertical sides of the package with the arrows pointing in the correct upright direction. The arrows must be either black or red on white or other suitable contrasting background”

— 49 CFR Part 172 Subpart D, Marking (172.300-172.338) (eCFR, current as of 2026-10-22) ↗
26Where must the "Inhalation Hazard" marking appear on a bulk packaging?
A:

On two opposing sides of the bulk packaging, in association with the required labels or placards (49 CFR 172.313(a)).

VERIFIED AGAINST THE SOURCE

“The marking must be on two opposing sides of a bulk packaging.”

— 49 CFR Part 172 Subpart D, Marking (172.300-172.338) (eCFR, current as of 2026-10-22) ↗
27Where on a package must a hazard warning label be placed?
A:

On a surface other than the bottom, on the same surface as and near the proper shipping name marking if the package is big enough (49 CFR 172.406(a)).

VERIFIED AGAINST THE SOURCE

“Be located on the same surface of the package and near the proper shipping name marking, if the package dimensions are adequate”

— 49 CFR Part 172 Subpart E, Labeling (172.400-172.450) (eCFR, current as of 2026-10-22) ↗
28How close together must primary and subsidiary hazard labels be?
A:

Next to each other. Placement conforms if the labels are within 150 mm (6 inches) of one another (49 CFR 172.406(c)).

VERIFIED AGAINST THE SOURCE

“When primary and subsidiary hazard labels are required, they must be displayed next to each other. Placement conforms to this requirement if labels are within 150 mm (6 inches) of one another.”

— 49 CFR Part 172 Subpart E, Labeling (172.400-172.450) (eCFR, current as of 2026-10-22) ↗
29May a hazmat vehicle display a "Drive Safely" sign that resembles a placard?
A:

No. 49 CFR 172.502(a) prohibits any sign, advertisement, slogan or device that could be confused with a placard by its color, design, shape or content.

VERIFIED AGAINST THE SOURCE

“Any sign, advertisement, slogan (such as “Drive Safely”), or device that, by its color, design, shape or content, could be confused with any placard”

— 49 CFR Part 172 Subpart F, Placarding (172.500-172.560) (eCFR, current as of 2026-10-22) ↗
30A transport vehicle carrying any quantity of hazmat must be placarded on how many sides?
A:

All four: each side and each end, with the placards specified in Tables 1 and 2 of 49 CFR 172.504.

VERIFIED AGAINST THE SOURCE

“containing any quantity of a hazardous material must be placarded on each side and each end with the type of placards specified in tables 1 and 2”

— 49 CFR Part 172 Subpart F, Placarding (172.500-172.560) (eCFR, current as of 2026-10-22) ↗
31When may a DANGEROUS placard be used, and when must the specific placard be shown instead?
A:

It may replace the separate Table 2 placards on a vehicle with two or more Table 2 categories, but when 1,000 kg (2,205 pounds) or more of one category is loaded at one facility, that category's own placard must be applied (49 CFR 172.504(b)).

VERIFIED AGAINST THE SOURCE

“when 1,000 kg (2,205 pounds) aggregate gross weight or more of one category of material is loaded therein at one loading facility”

— 49 CFR Part 172 Subpart F, Placarding (172.500-172.560) (eCFR, current as of 2026-10-22) ↗
32Below what aggregate gross weight of Table 2 hazmat is a vehicle excepted from placarding?
A:

Less than 454 kg (1,001 pounds) aggregate gross weight of Table 2 materials (49 CFR 172.504(c)). The exception does not apply to Table 1 materials.

VERIFIED AGAINST THE SOURCE

“A transport vehicle or freight container which contains less than 454 kg (1001 pounds) aggregate gross weight of hazardous materials covered by table 2”

— 49 CFR Part 172 Subpart F, Placarding (172.500-172.560) (eCFR, current as of 2026-10-22) ↗
33Which hazard classes are on placarding Table 1, which requires placards for any quantity?
A:

Table 1 includes Divisions 1.1, 1.2 and 1.3 explosives, Division 2.3 Poison Gas, Division 4.3 Dangerous When Wet, and Class 7 packages bearing the Radioactive Yellow III label, among others (49 CFR 172.504(e)).

VERIFIED AGAINST THE SOURCE

“7 (Radioactive Yellow III label only) RADIOACTIVE”

— 49 CFR Part 172 Subpart F, Placarding (172.500-172.560) (eCFR, current as of 2026-10-22) ↗
34What extra placard does a vehicle carrying a material poisonous by inhalation need?
A:

A POISON INHALATION HAZARD or POISON GAS placard, as appropriate, on each side and each end, in addition to any other required placard (49 CFR 172.505(a)).

VERIFIED AGAINST THE SOURCE

“must be placarded with a POISON INHALATION HAZARD or POISON GAS placard, as appropriate, on each side and each end, in addition to any other placard required”

— 49 CFR Part 172 Subpart F, Placarding (172.500-172.560) (eCFR, current as of 2026-10-22) ↗
35For a tractor-trailer, where may the front placard be displayed?
A:

On the front of the truck-tractor. 49 CFR 172.516 allows the front placarding of a motor vehicle to be on the tractor instead of the trailer.

VERIFIED AGAINST THE SOURCE

“The required placarding of the front of a motor vehicle may be on the front of a truck-tractor”

— 49 CFR Part 172 Subpart F, Placarding (172.500-172.560) (eCFR, current as of 2026-10-22) ↗
36What placement rules apply to a placard on a vehicle?
A:

It must be visible from the direction it faces, kept clear of ladders, pipes, doors and tarpaulins, at least 3 inches (76 mm) from other markings, and its text displayed horizontally, reading left to right (49 CFR 172.516).

VERIFIED AGAINST THE SOURCE

“displayed horizontally, reading from left to right”

— 49 CFR Part 172 Subpart F, Placarding (172.500-172.560) (eCFR, current as of 2026-10-22) ↗
37What is the minimum size of a diamond-shaped hazmat placard?
A:

At least 250 mm (9.84 inches) on each side, with a solid inner border about 12.5 mm inside the edge (49 CFR 172.519(c)).

VERIFIED AGAINST THE SOURCE

“Each diamond (square-on-point) placard prescribed in this subpart must measure at least 250 mm (9.84 inches) on each side and must have a solid line inner border approximately 12.5 mm inside”

— 49 CFR Part 172 Subpart F, Placarding (172.500-172.560) (eCFR, current as of 2026-10-22) ↗
38How does 49 CFR 173.50 define an explosive?
A:

A substance or article designed to function by explosion, meaning an extremely rapid release of gas and heat (or one that functions in a similar manner even if not designed to).

VERIFIED AGAINST THE SOURCE

“designed to function by explosion ( i.e., an extremely rapid release of gas and heat)”

— 49 CFR 173.50 Class 1 - Definitions (eCFR, current as of 2026-10-22) ↗
39Which explosive division has a projection hazard but no mass explosion hazard?
A:

Division 1.2 (49 CFR 173.50(b)(2)).

VERIFIED AGAINST THE SOURCE

“Division 1.2 consists of explosives that have a projection hazard but not a mass explosion hazard.”

— 49 CFR 173.50 Class 1 - Definitions (eCFR, current as of 2026-10-22) ↗
40Which explosive division has a fire hazard with a minor blast or projection hazard, but no mass explosion hazard?
A:

Division 1.3 (49 CFR 173.50(b)(3)).

VERIFIED AGAINST THE SOURCE

“Division 1.3 consists of explosives that have a fire hazard and either a minor blast hazard or a minor projection hazard or both, but not a mass explosion hazard.”

— 49 CFR 173.50 Class 1 - Definitions (eCFR, current as of 2026-10-22) ↗
41What kind of hazard do Division 1.4 explosives present?
A:

A minor explosion hazard. The effects are largely confined to the package, and no projection of fragments of appreciable size or range is expected (49 CFR 173.50(b)(4)).

VERIFIED AGAINST THE SOURCE

“Division 1.4 consists of explosives that present a minor explosion hazard. The explosive effects are largely confined to the package and no projection of fragments of appreciable size or range is to be expected.”

— 49 CFR 173.50 Class 1 - Definitions (eCFR, current as of 2026-10-22) ↗
42What makes a gas a Division 2.1 flammable gas?
A:

It is a gas at 20 °C (68 °F) or less and is ignitable at 14.7 psia in a mixture of 13 percent or less by volume with air, or has a flammable range of at least 12 points (49 CFR 173.115(a)).

VERIFIED AGAINST THE SOURCE

“Is ignitable at 101.3 kPa (14.7 psia) when in a mixture of 13 percent or less by volume with air”

— 49 CFR 173.115 Class 2, Divisions 2.1, 2.2, and 2.3 - Definitions (eCFR, current as of 2026-10-22) ↗
43What flash points separate a Class 3 flammable liquid from a combustible liquid?
A:

A flammable liquid has a flash point of not more than 60 °C (140 °F); a combustible liquid has a flash point above 60 °C (140 °F) and below 93 °C (200 °F) (49 CFR 173.120).

VERIFIED AGAINST THE SOURCE

“has a flash point above 60 °C (140 °F) and below 93 °C (200 °F)”

— 49 CFR 173.120 Class 3 - Definitions (eCFR, current as of 2026-10-22) ↗
44What defines a Division 4.3 dangerous when wet material?
A:

On contact with water it is liable to become spontaneously flammable or to give off flammable or toxic gas at more than 1 liter per kilogram per hour (49 CFR 173.124(c)).

VERIFIED AGAINST THE SOURCE

“dangerous when wet material (Division 4.3) means a material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour”

— 49 CFR 173.124 Class 4, Divisions 4.1, 4.2 and 4.3 - Definitions (eCFR, current as of 2026-10-22) ↗
45What makes a material a Division 5.1 oxidizer?
A:

It may, generally by yielding oxygen, cause or enhance the combustion of other materials (49 CFR 173.127(a)).

VERIFIED AGAINST THE SOURCE

“oxidizer (Division 5.1) means a material that may, generally by yielding oxygen, cause or enhance the combustion of other materials”

— 49 CFR 173.127 Class 5, Division 5.1 - Definition (eCFR, current as of 2026-10-22) ↗
46What two tests can make a material a Class 8 corrosive?
A:

It causes irreversible damage to human skin at the site of contact within a specified time, or it has a severe corrosion rate on steel or aluminum (49 CFR 173.136(a)).

VERIFIED AGAINST THE SOURCE

“has a severe corrosion rate on steel or aluminum”

— 49 CFR 173.136 Class 8 - Definitions (eCFR, current as of 2026-10-22) ↗
47Under 49 CFR 173.140, which materials fall into Class 9 miscellaneous?
A:

Materials that present a hazard in transportation but meet no other class definition, including elevated temperature materials, hazardous substances, hazardous wastes and marine pollutants.

VERIFIED AGAINST THE SOURCE

“an elevated temperature material, a hazardous substance, a hazardous waste, or a marine pollutant”

— 49 CFR 173.140 Class 9 - Definitions (eCFR, current as of 2026-10-22) ↗
48When a material meets more than one hazard class definition, which four classes top the precedence list in 49 CFR 173.2a?
A:

In descending order: Class 7 (radioactive, other than limited quantities), Division 2.3 (poisonous gases), Division 2.1 (flammable gases), then Division 2.2 (nonflammable gases).

VERIFIED AGAINST THE SOURCE

“(2) Division 2.3 (poisonous gases). (3) Division 2.1 (flammable gases). (4) Division 2.2 (nonflammable gases).”

— 49 CFR 173.2a Classification of a material having more than one hazard (eCFR, current as of 2026-10-22) ↗
49Before offering hazmat for transportation, what two determinations must the shipper make under 49 CFR 173.22(a)?
A:

Class and describe the material according to parts 172 and 173, and determine that the packaging is an authorized packaging.

VERIFIED AGAINST THE SOURCE

“The person shall class and describe the hazardous material in accordance with parts 172 and 173 of this subchapter , and (2) The person shall determine that the packaging or container is an authorized packaging”

— 49 CFR 173.22 Shipper's responsibility (eCFR, current as of 2026-10-22) ↗
50Where must a truck driver keep hazmat shipping papers while driving?
A:

Within immediate reach while wearing the lap belt, and either readily visible to someone entering the cab or in a holder on the inside of the driver's door. The paper must be tabbed or placed first if carried with other papers (49 CFR 177.817(e)).

VERIFIED AGAINST THE SOURCE

“Clearly distinguish the shipping paper, if it is carried with other shipping papers or other papers of any kind, by either distinctively tabbing it or by having it appear first”

— 49 CFR 177.817 Shipping papers (carriage by public highway) (eCFR, current as of 2026-10-22) ↗
51Where must hazmat shipping papers be left when the driver is away from the vehicle?
A:

In the holder on the inside of the driver's door, or on the driver's seat (49 CFR 177.817(e)(2)).

VERIFIED AGAINST THE SOURCE

“In a holder which is mounted to the inside of the door on the driver's side of the vehicle; or ( B ) on the driver's seat in the vehicle”

— 49 CFR 177.817 Shipping papers (carriage by public highway) (eCFR, current as of 2026-10-22) ↗
52Smoking near a motor vehicle is forbidden while loading or unloading which hazard classes?
A:

Class 1 (explosive), Class 3 (flammable liquid), Class 4 (flammable solid), Class 5 (oxidizing) and Division 2.1 (flammable gas) (49 CFR 177.834(c)).

VERIFIED AGAINST THE SOURCE

“Smoking on or about any motor vehicle while loading or unloading any Class 1 (explosive), Class 3 (flammable liquid), Class 4 (flammable solid), Class 5 (oxidizing), or Division 2.1 (flammable gas) materials is forbidden.”

— 49 CFR 177.834 General requirements (loading and unloading) (eCFR, current as of 2026-10-22) ↗
53What attendance is required while a cargo tank is being loaded or unloaded?
A:

A qualified person must attend at all times during loading, and during unloading the qualified person must stay within 7.62 m (25 feet) of the cargo tank (49 CFR 177.834(i)).

VERIFIED AGAINST THE SOURCE

“the qualified person is within 7.62 m (25 feet) of the cargo tank”

— 49 CFR 177.834 General requirements (loading and unloading) (eCFR, current as of 2026-10-22) ↗
54May Class 1 explosives be loaded onto a motor vehicle with the engine running?
A:

No. 49 CFR 177.835(a) prohibits loading or unloading Class 1 materials with the engine running.

VERIFIED AGAINST THE SOURCE

“No Class 1 (explosive) materials may be loaded into or on or be unloaded from any motor vehicle with the engine running”

— 49 CFR 177.835 Class 1 (explosive) materials (eCFR, current as of 2026-10-22) ↗
55Which handling practices are banned for Class 1 explosive packages?
A:

Bale hooks or other metal tools, rolling packages (except barrels or kegs), and throwing or dropping packages (49 CFR 177.835(f)-(g)).

VERIFIED AGAINST THE SOURCE

“No packages of Class 1 (explosive) materials shall be thrown or dropped”

— 49 CFR 177.835 Class 1 (explosive) materials (eCFR, current as of 2026-10-22) ↗
56When may Division 1.1 or 1.2 explosives NOT be carried in a combination of vehicles?
A:

When the combination has more than two cargo-carrying vehicles, or when any full trailer has a wheel base under 184 inches, among other conditions in 49 CFR 177.835(h).

VERIFIED AGAINST THE SOURCE

“Any full trailer in the combination has a wheel base of less than 184 inches”

— 49 CFR 177.835 Class 1 (explosive) materials (eCFR, current as of 2026-10-22) ↗
57Which segregation rule applies to cyanides and to Division 4.2 materials in the same motor vehicle?
A:

Cyanides may not be loaded with acids if mixing would generate hydrogen cyanide, and Division 4.2 materials may not be loaded with Class 8 liquids (49 CFR 177.848(c)).

VERIFIED AGAINST THE SOURCE

“cyanides, cyanide mixtures or solutions may not be stored, loaded and transported with acids if a mixture of the materials would generate hydrogen cyanide; Division 4.2 materials may not be stored, loaded and transported with Class 8 liquids”

— 49 CFR 177.848 Segregation of hazardous materials (eCFR, current as of 2026-10-22) ↗
58What is the current maximum civil penalty for a knowing violation of the hazmat regulations?
A:

$102,348 per violation, rising to $238,809 if it causes death, serious illness, severe injury or substantial property destruction. Training violations carry a minimum of $617, and each day of a continuing violation is a separate offense (49 CFR 107.329(a), current eCFR; the amounts are inflation-adjusted each year, so older course figures will be lower).

VERIFIED AGAINST THE SOURCE

“except for a minimum civil penalty of $617 for violations relating to training. When the violation is a continuing one, each day of the violation constitutes a separate offense.”

— 49 CFR 107.329 Maximum penalties (eCFR, current as of 2026-10-22) ↗
59Above what capacity is a liquid receptacle a bulk packaging?
A:

A maximum capacity greater than 450 L (119 gallons). Bulk packaging is packaging in which hazmat is loaded with no intermediate form of containment (49 CFR 171.8).

VERIFIED AGAINST THE SOURCE

“in which hazardous materials are loaded with no intermediate form of containment”

— 49 CFR 171.8 Definitions and abbreviations (eCFR, current as of 2026-10-22) ↗
60A material assigned Packing Group III presents what degree of danger?
A:

Minor danger. Packing Group I indicates great danger, Packing Group II medium danger, and Packing Group III minor danger (49 CFR 171.8).

VERIFIED AGAINST THE SOURCE

“Packing Group I indicates great danger; Packing Group II, medium danger; Packing Group III, minor danger.”

— 49 CFR 171.8 Definitions and abbreviations (eCFR, current as of 2026-10-22) ↗

Know questions we're missing?

Submit your own Q&A pairs. AI reviews them for quality, then they go live for everyone.

Study these as flashcards

Load all 60 questions into a free study set — flashcards, a practice test, and spaced repetition. No account.

Works on any PDF, doc or web page too — not just military training.

Veteran? vetaid.ai — free VA benefits help.