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CDL HazMat Endorsement practice questions

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Question 1Hazardous materials regulations and the Hazardous Materials Table

Under the federal Hazardous Materials Regulations, what is the maximum total weight of hazardous materials that may be transported in one motor vehicle without requiring shipping papers, placards, or emergency response information?

  1. 260 pounds
  2. 2,000 pounds
  3. 500 pounds Correct answer.
  4. 1,001 pounds

Explanation

The materials-of-trade exception in 49 CFR 173.6 permits up to 500 pounds aggregate gross weight of hazardous materials in a motor vehicle when the driver is the sole operator and the materials are packaged for retail sale. This exception allows shipping papers, placards, and emergency response information to be omitted.

Question 2Hazardous materials regulations and the Hazardous Materials Table

A driver is transporting a hazardous material and a state or local official asks to inspect the shipping papers. Which statement best describes the requirement for keeping shipping papers accessible during transport?

  1. Shipping papers must be posted on the outside of the trailer door.
  2. Shipping papers must be within reach of the driver while restrained by the seat belt. Correct answer.
  3. Shipping papers may be left at the shipper's facility until delivery.
  4. Shipping papers must be kept in a locked toolbox in the sleeper berth.

Explanation

Section 177.817 requires shipping papers to be readily accessible to the driver while the vehicle is in operation, which means within reach while the driver is restrained by the seat belt. Placing them in a locked compartment or outside the cab does not meet the accessibility rule.

Question 3Hazardous materials regulations and the Hazardous Materials Table

On the Hazardous Materials Table, what does the symbol "+" in the first column indicate about the proper shipping name?

  1. The entry applies only to domestic shipments.
  2. The proper shipping name must be used exactly as shown. Correct answer.
  3. The proper shipping name is a generic or n.o.s. name.
  4. The material is forbidden for all modes of transport.

Explanation

A plus sign in Column 1 of the Hazardous Materials Table means the proper shipping name listed must be used exactly as printed, without modification. This distinguishes fixed entries from generic entries where additional qualifiers may be added.

Question 4Hazardous materials regulations and the Hazardous Materials Table

A shipper lists the proper shipping name "Gasoline" on shipping papers. Which additional information does the Hazardous Materials Table require to be shown on the shipping description for this material?

  1. Hazard class 3 and UN1203 Correct answer.
  2. Division 2.1 and UN1011
  3. Division 6.1 and NA9031
  4. Class 8 and UN1789

Explanation

Gasoline is listed in the Hazardous Materials Table as UN1203, hazard class 3, packing group II. The shipping description must include the proper shipping name, hazard class, and UN identification number, so UN1203 and Class 3 are required.

Question 5Hazardous materials regulations and the Hazardous Materials Table

Which of the following is the correct order for the basic shipping description of a hazardous material on a shipping paper?

  1. Proper shipping name, packing group, UN number, hazard class
  2. Hazard class, UN number, proper shipping name, packing group
  3. Proper shipping name, hazard class, UN number, packing group Correct answer.
  4. UN number, packing group, hazard class, proper shipping name

Explanation

Section 172.202 requires the basic description in the sequence: proper shipping name, hazard class or division, UN identification number, and packing group. Additional information may follow, but this order is the required sequence.

Question 6Hazardous materials regulations and the Hazardous Materials Table

What is the primary purpose of the Hazardous Materials Table in Part 172 of the federal regulations?

  1. It establishes driver qualification and hours-of-service rules.
  2. It identifies the hazard class, packing group, labels, and packaging requirements for each material. Correct answer.
  3. It sets the speed limits for vehicles carrying hazardous materials.
  4. It lists the names and phone numbers of registered shippers.

Explanation

The Hazardous Materials Table is the central reference that assigns each listed material its proper shipping name, hazard class, identification number, packing group, label codes, and special provisions. Drivers and shippers use it to determine how a material must be described, marked, labeled, and packaged.

Question 7Hazardous materials regulations and the Hazardous Materials Table

A material is assigned Packing Group I in the Hazardous Materials Table. What does this assignment indicate?

  1. The material is exempt from all packaging requirements.
  2. The material presents great danger and requires the most stringent packaging. Correct answer.
  3. The material presents minor danger and requires minimal packaging.
  4. The material presents medium danger and requires moderate packaging.

Explanation

Packing Group I represents great danger and calls for the highest level of packaging performance. Packing Groups II and III represent medium and minor danger, respectively.

Question 8Hazardous materials regulations and the Hazardous Materials Table

A driver discovers that the shipping papers for a load of hazardous materials are missing the emergency response telephone number. What is the most appropriate action?

  1. Refuse to accept or move the shipment until the papers are corrected. Correct answer.
  2. Proceed with the shipment and add the number later at the destination.
  3. Rely on the placards to provide the emergency contact information.
  4. Write any available phone number on the papers and continue.

Explanation

Section 172.604 requires the shipping paper to include an emergency response telephone number monitored at all times during transport. A shipment with incomplete shipping papers should not be moved until the shipper corrects them.

Question 9Hazardous materials regulations and the Hazardous Materials Table

Which placard is required for a vehicle carrying a material listed in Hazardous Materials Table entry UN1203, hazard class 3, packing group II?

  1. Flammable liquid placard Correct answer.
  2. Corrosive placard
  3. Oxidizer placard
  4. Poison inhalation hazard placard

Explanation

UN1203 is the identification number for gasoline, a Class 3 flammable liquid. Class 3 materials require the flammable liquid placard unless an exception applies.

Question 10Hazardous materials regulations and the Hazardous Materials Table

A shipper offers a hazardous material for transport and the Hazardous Materials Table entry shows "Forbidden" in the hazard class column. What does this mean for the driver?

  1. The material may be transported only at night.
  2. The material may not be offered or accepted for transport. Correct answer.
  3. The material may be transported if the driver has a HazMat endorsement.
  4. The material may be transported if placarded properly.

Explanation

A "Forbidden" entry means the material is not authorized for transportation under the Hazardous Materials Regulations. No endorsement, placard, or route condition makes such a shipment lawful.

Question 11Hazardous materials regulations and the Hazardous Materials Table

Which document is required to accompany a shipment of hazardous materials and contains the basic description, emergency response information, and shipper certification?

  1. The driver's medical examiner's certificate
  2. The vehicle registration
  3. The bill of lading only
  4. The shipping paper Correct answer.

Explanation

The shipping paper carries the basic hazardous materials description, the emergency response telephone number, and the shipper's certification. It is the central transport document for hazardous materials shipments.

Question 12Hazardous materials regulations and the Hazardous Materials Table

A material listed in the Hazardous Materials Table has a label code of 6.1. What does this code indicate?

  1. The material requires a Division 6.1 poison label. Correct answer.
  2. The material requires a Division 2.1 flammable gas label.
  3. The material requires a Class 8 corrosive label.
  4. The material requires a Class 3 flammable liquid label.

Explanation

Label codes in Column 6 of the Hazardous Materials Table correspond to the hazard labels required for the material. A code of 6.1 identifies the Division 6.1 poison (toxic) label.

Question 13Hazardous materials regulations and the Hazardous Materials Table

A driver is hauling a load of Division 1.1 explosives. Which statement about the shipping papers is correct?

  1. Shipping papers must list only the UN number and the driver's name.
  2. Shipping papers must include the compatibility group letter as part of the basic description. Correct answer.
  3. Shipping papers must be replaced by a placard at the rear of the vehicle.
  4. Shipping papers are not required for explosives.

Explanation

For Division 1.1, 1.2, and 1.3 materials, the basic description must include the compatibility group letter immediately following the hazard class or division. This letter communicates the explosive's compatibility grouping to emergency responders.

Question 14Hazardous materials regulations and the Hazardous Materials Table

Which of the following best describes the role of special provisions in Column 7 of the Hazardous Materials Table?

  1. They give the shipper's company name and address.
  2. They list the states where the material may be transported.
  3. They provide additional requirements or exceptions that apply to the material. Correct answer.
  4. They set the maximum speed for the vehicle.

Explanation

Column 7 contains numeric codes that refer to special provisions in Part 172, Subpart B. These provisions may modify packaging, marking, labeling, or other requirements for the specific material.

Question 15Hazardous materials regulations and the Hazardous Materials Table

A driver is transporting a hazardous material that requires the "DANGEROUS WHEN WET" label. What does this label indicate about the material?

  1. The material is corrosive to metals only when dry.
  2. The material is safe to store near water.
  3. The material must be kept at a temperature below freezing.
  4. The material releases a flammable gas when it contacts water. Correct answer.

Explanation

The DANGEROUS WHEN WET label applies to materials in Division 4.3 that react with water to release flammable gases. These materials must be protected from moisture during transport.

Question 16Hazardous materials regulations and the Hazardous Materials Table

A shipper offers a hazardous material in a non-bulk packaging. How is "non-bulk" generally defined under the Hazardous Materials Regulations?

  1. A packaging with a capacity of 119 gallons or less for liquids Correct answer.
  2. A packaging with a capacity greater than 119 gallons
  3. A packaging that requires a cargo tank
  4. A packaging that weighs more than 4,000 pounds

Explanation

Non-bulk packaging generally means a maximum capacity of 119 gallons (450 liters) or less for liquids, or a maximum net mass of 882 pounds (400 kg) or less for solids. Bulk packaging exceeds these thresholds.

Question 17Hazardous materials regulations and the Hazardous Materials Table

A driver is asked to sign for a shipment of hazardous materials. What does the driver's signature on the shipping paper typically certify?

  1. That the driver has received the shipment and the shipping papers. Correct answer.
  2. That the driver has placarded the vehicle correctly.
  3. That the driver has verified the material's chemical composition.
  4. That the driver has inspected the packaging for defects.

Explanation

The driver's signature on a shipping paper generally acknowledges receipt of the shipment and the accompanying shipping papers. The driver is not certifying the chemical composition or the shipper's packaging.

Question 18Hazardous materials regulations and the Hazardous Materials Table

Which of the following is a required element of the emergency response information that must accompany a hazardous materials shipment?

  1. A description of the hazards and immediate precautions to take in an incident Correct answer.
  2. The vehicle's maintenance records
  3. The shipper's tax identification number
  4. The driver's home address

Explanation

Section 172.602 requires emergency response information to include the basic description, hazards, and immediate precautions to take in an incident, along with emergency contact information. This information helps responders act quickly.

Question 19Hazardous materials regulations and the Hazardous Materials Table

A driver is transporting a material listed as Division 2.2, non-flammable gas, in a cylinder. Which placard is generally required if the quantity exceeds the placarding threshold?

  1. Non-flammable gas placard Correct answer.
  2. Oxidizer placard
  3. Organic peroxide placard
  4. Flammable gas placard

Explanation

Division 2.2 materials are non-flammable gases and require the non-flammable gas placard when the placarding threshold is met. Flammable gas, oxidizer, and organic peroxide placards apply to other hazard classes.

Question 20Hazardous materials regulations and the Hazardous Materials Table

What is the purpose of the "RQ" notation on a shipping paper?

  1. It indicates the material is a hazardous waste.
  2. It indicates the material is radioactive.
  3. It indicates the material is a reportable quantity of a hazardous substance. Correct answer.
  4. It indicates the material is exempt from placarding.

Explanation

The letters "RQ" identify a hazardous substance being shipped in a quantity equal to or greater than its reportable quantity. This triggers additional notification and reporting obligations under environmental regulations.

Question 21Hazardous materials regulations and the Hazardous Materials Table

A driver is carrying a hazardous waste shipment. How should the proper shipping name appear on the shipping paper?

  1. The word "Waste" may be omitted if placards are displayed.
  2. The word "Waste" must appear only on the placard.
  3. The word "Waste" must precede the proper shipping name. Correct answer.
  4. The word "Waste" must follow the UN number.

Explanation

Section 172.101 requires the word "Waste" to precede the proper shipping name of a hazardous waste on shipping papers. This alerts responders and regulators that the material is regulated as waste.

Question 22Hazardous materials regulations and the Hazardous Materials Table

Which of the following statements about placarding is correct?

  1. Placards are required only when the quantity of hazardous materials reaches the threshold in the placarding tables. Correct answer.
  2. Placards are required for every hazardous material regardless of quantity.
  3. Placards must be removed before the vehicle leaves the shipper's facility.
  4. Placards must be displayed on all four sides of the vehicle.

Explanation

Placarding requirements are tied to the quantity thresholds in the placarding tables in Part 172, Subpart F. Small quantities below the threshold may not require placards. Placards are placed on both ends and both sides of the vehicle when required.

Question 23Hazardous materials regulations and the Hazardous Materials Table

A driver is transporting a hazardous material and must stop for a railroad crossing. What does the Hazardous Materials Regulations require regarding the vehicle's placards at a railroad crossing?

  1. Placards must remain displayed and the driver must stop as required by law. Correct answer.
  2. Placards must be replaced with a warning flag.
  3. Placards must be removed before crossing.
  4. Placards must be covered with a tarp.

Explanation

Placards must remain displayed on the vehicle at all times during transport, including at railroad crossings. Drivers must also comply with state and federal stopping requirements at crossings.

Question 24Hazardous materials regulations and the Hazardous Materials Table

A material is described in the Hazardous Materials Table with the proper shipping name "Environmentally hazardous substances, liquid, n.o.s." What does the abbreviation "n.o.s." mean?

  1. National oversight standard
  2. Not otherwise specified Correct answer.
  3. No other shipment
  4. Non-oxidizing substance

Explanation

The abbreviation "n.o.s." stands for "not otherwise specified" and is used in generic entries that cover materials not listed by a specific name. Shippers must add the technical name of the material in parentheses after the generic name.

Question 25Hazardous materials regulations and the Hazardous Materials Table

A driver receives a shipment of a material that requires the "INHALATION HAZARD" placard. What does this placard indicate to the driver and responders?

  1. The material is corrosive only when wet.
  2. The material is a non-flammable gas under pressure.
  3. The material presents a severe inhalation toxicity risk and requires special precautions. Correct answer.
  4. The material is a flammable liquid with a low flash point.

Explanation

The INHALATION HAZARD placard identifies materials in Division 6.1 that pose a severe toxic risk by inhalation, often called poison inhalation hazard materials. These shipments require special handling, routing, and emergency response precautions.

Question 26Hazardous materials regulations and the Hazardous Materials Table

In the Hazardous Materials Table, Column 1 contains a symbol for each entry. What does the symbol "+" in Column 1 require the shipper to do?

  1. Use the proper shipping name exactly as written in Column 2, without any technical or chemical name added Correct answer.
  2. Enter the hazard class number in place of the proper shipping name on the shipping paper
  3. Add the word "PLUS" after the basic description on the shipping paper
  4. List the material by its trade name rather than by the proper shipping name

Explanation

A plus sign in Column 1 designates a material for which the proper shipping name in Column 2 must be used exactly as printed, with no modifying technical names attached. The symbol therefore restricts how the name may be written on shipping papers rather than changing the description format.

Question 27Hazardous materials regulations and the Hazardous Materials Table

A Hazardous Materials Table entry shows the letter "A" in Column 1. What does that symbol mean for the entry?

  1. The entry is subject to the regulations only when shipped by air
  2. The entry is a hazardous waste and must be described as such
  3. The entry is regulated only when transported in bulk packaging
  4. The entry is a hazardous substance subject to reportable quantity requirements Correct answer.

Explanation

In Column 1, the letter A identifies a material that is also a hazardous substance under the Comprehensive Environmental Response, Compensation, and Liability Act. That status triggers reportable quantity notation and related shipping paper requirements.

Question 28Hazardous materials regulations and the Hazardous Materials Table

An entry in the Hazardous Materials Table lists "I" in Column 3 and "II" in Column 4. What do these two entries represent?

  1. The packing group for international shipments and the packing group for domestic shipments
  2. The maximum quantity per package and the maximum quantity per vehicle
  3. The hazard zone and the compatibility group assigned to the material
  4. The hazard class and the subsidiary hazard class of the material Correct answer.

Explanation

Column 3 holds the hazard class or division of the material, and Column 4 holds any subsidiary hazard class or division. Together they form the class information that appears in the basic description on the shipping paper.

Question 29Hazardous materials regulations and the Hazardous Materials Table

A Hazardous Materials Table entry shows the identification number "UN1993" in Column 4. How must this number appear on the shipping paper?

  1. Immediately before the basic description, as "UN1993" Correct answer.
  2. After the proper shipping name but before the hazard class
  3. In parentheses following the packing group
  4. As "NA1993" whenever the shipment stays within the United States

Explanation

The identification number is entered in the basic description immediately preceding the proper shipping name, using the prefix shown in the table. A UN prefix is retained exactly as printed rather than being converted to NA for domestic travel.

Question 30Hazardous materials regulations and the Hazardous Materials Table

A shipper is preparing a shipping paper for a material whose Hazardous Materials Table entry lists "III" in the packing group column. What does Packing Group III represent?

  1. The least degree of danger within the hazard class Correct answer.
  2. The greatest degree of danger within the hazard class
  3. A material that may be shipped without hazard communication
  4. A material that is forbidden for all modes of transport

Explanation

Packing groups rank degree of danger within a hazard class, with I being greatest and III being least. Packing Group III materials still require full hazard communication even though they pose the lowest degree of danger in the class.

Question 31Hazardous materials regulations and the Hazardous Materials Table

A Hazardous Materials Table entry contains the word "Forbidden" in the hazard class column. What is the correct handling of that material?

  1. It may be transported if the vehicle carries the appropriate placard
  2. It may be transported only in non-bulk packages under a special permit
  3. It may be transported if the driver holds a HazMat endorsement
  4. It may not be offered for transportation or transported Correct answer.

Explanation

When the table shows Forbidden in the hazard class column, the material is prohibited from being offered for transportation or transported. No endorsement, placard, or packaging choice makes the shipment lawful.

Question 32Hazardous materials regulations and the Hazardous Materials Table

A material's Hazardous Materials Table entry lists label code 3 in the label column. Which label is required for packages of that material?

  1. Flammable liquid Correct answer.
  2. Corrosive
  3. Oxidizer
  4. Poison inhalation hazard

Explanation

Label code 3 corresponds to the flammable liquid hazard label. The label codes in the table map to the hazard class or division of the material, so a class 3 material carries the flammable liquid label.

Question 33Hazardous materials regulations and the Hazardous Materials Table

A Hazardous Materials Table entry shows "155" in the quantity limitations column for passenger-carrying aircraft and "204" for cargo aircraft. What do these figures represent?

  1. The minimum quantity that must be shipped by air
  2. The number of hours allowed for air transit
  3. The maximum net mass in kilograms allowed in a single package aboard each aircraft type Correct answer.
  4. The number of packages permitted per aircraft

Explanation

The quantity limitations columns state the maximum quantity of the material allowed in a single package for passenger-carrying aircraft and for cargo aircraft. The figures are package limits, not counts of packages or transit times.

Question 34Hazardous materials regulations and the Hazardous Materials Table

A shipper is choosing packaging for a material whose Hazardous Materials Table entry lists "202" in the packaging exceptions column. What does that column reference?

  1. The placard that must be applied to the package
  2. The section of the regulations that authorizes a specific exception packaging Correct answer.
  3. The emergency response guidebook page for the material
  4. The maximum weight the package may reach

Explanation

The packaging exceptions column cites the section of the Hazardous Materials Regulations that permits a particular exception packaging for the material. It is a regulatory cross-reference rather than a weight or placard rule.

Question 35Hazardous materials regulations and the Hazardous Materials Table

A material's table entry lists "None" in the packaging exceptions column. What does this tell the shipper?

  1. The material requires only a marking rather than a label
  2. The material may be shipped without any packaging
  3. No exception packaging may be used for the material Correct answer.
  4. The material must be shipped in a bulk packaging

Explanation

The word None in the packaging exceptions column means no exception packaging is authorized for that material. The shipper must use a packaging from the non-bulk or bulk performance packaging columns instead.

Question 36Hazardous materials regulations and the Hazardous Materials Table

A shipper is reviewing the vessel stowage column of a Hazardous Materials Table entry. What does that column control?

  1. The label required on a non-bulk package
  2. The reportable quantity threshold for the material
  3. The quantity that may be carried in a highway vehicle
  4. How the material must be loaded and secured aboard a vessel Correct answer.

Explanation

The vessel stowage column provides stowage instructions that govern how the material is loaded and secured on board a vessel. It does not set highway quantity limits, package labels, or reportable quantities.

Question 37Hazardous materials regulations and the Hazardous Materials Table

A driver is reviewing a shipping paper and finds the proper shipping name "Gasoline" with the hazard class "3" and the identification number "UN1203." Which element of the basic description is still required?

  1. The packing group Correct answer.
  2. The compatibility group letter
  3. The total quantity and unit of measure
  4. The hazard zone number

Explanation

The basic description requires the identification number, the proper shipping name, the hazard class, and the packing group in that order. Gasoline in Packing Group II must show "II" to complete the description.

Question 38Hazardous materials regulations and the Hazardous Materials Table

A shipper is preparing a shipping paper for a material whose table entry lists "II" in the packing group column. How must the packing group appear in the basic description?

  1. As a letter code placed in parentheses after the proper shipping name
  2. As an Arabic numeral placed before the proper shipping name
  3. As a word such as "medium" placed after the identification number
  4. As a Roman numeral placed after the hazard class Correct answer.

Explanation

The packing group is shown as a Roman numeral and follows the hazard class in the basic description sequence. It is not spelled out in words or converted to an Arabic numeral.

Question 39Hazardous materials regulations and the Hazardous Materials Table

A driver is inspecting a shipment of a material whose table entry shows "D" in the special provisions column. What does that column provide?

  1. Additional requirements or exceptions that apply to the material Correct answer.
  2. The number of shipping papers required for the load
  3. A list of carriers approved to haul the material
  4. The emergency response telephone number for the shipper

Explanation

The special provisions column contains numbered provisions that add to or modify the general requirements for the material. These provisions can affect packaging, marking, or handling, so the shipper must check the referenced numbers.

Question 40Hazardous materials regulations and the Hazardous Materials Table

A shipper is preparing a shipment of a hazardous material by highway. Which column of the Hazardous Materials Table must the shipper consult to find the authorized non-bulk packaging for the material?

  1. The vessel stowage column
  2. The packaging exceptions column
  3. The non-bulk packaging column Correct answer.
  4. The quantity limitations column

Explanation

The non-bulk packaging column identifies the section of the regulations that authorizes non-bulk packaging for the material. The exceptions column covers exception packaging, which is a different authorization.

Question 41Hazardous materials regulations and the Hazardous Materials Table

A shipper is reviewing a table entry and sees "4.1" in the hazard class column with "4.2" in the subsidiary hazard column. How should the subsidiary hazard appear on the shipping paper?

  1. It is placed in parentheses after the primary hazard class Correct answer.
  2. It is omitted because only the primary hazard class is shown
  3. It is placed before the identification number
  4. It is written on a separate line labeled subsidiary

Explanation

A subsidiary hazard class is shown in parentheses immediately following the primary hazard class in the basic description. It is not dropped or moved to a separate line.

Question 42Hazardous materials regulations and the Hazardous Materials Table

A shipper is preparing a shipment of a material whose table entry lists "NA2210" in the identification number column. What does the NA prefix indicate?

  1. The material is regulated only under Canadian rules
  2. The material is forbidden for international transport
  3. The number is a temporary identification assigned by the carrier
  4. The identification number is assigned for domestic United States use Correct answer.

Explanation

The NA prefix identifies a North American number assigned for domestic use, as distinguished from UN numbers used internationally. The prefix must be shown as printed in the table.

Question 43Hazardous materials regulations and the Hazardous Materials Table

A shipper is reviewing a Hazardous Materials Table entry in which Column 2 shows a proper shipping name in roman type followed by a name in italics. What does the italicized text represent?

  1. An alternate name that must be shown in parentheses after the proper shipping name
  2. A hazardous substance name that must be added to the description
  3. A synonym that may be used in place of the proper shipping name Correct answer.
  4. A mode of transport restriction for the material

Explanation

In Column 2, roman type identifies the proper shipping name and italicized text lists synonyms that may be used in its place. The italicized name is an acceptable alternative, not a required addition.

Question 44Hazardous materials regulations and the Hazardous Materials Table

A driver is hauling a material whose table entry lists "3" in the label codes column and "5" in the quantity limitations column for passenger aircraft. Which placard is generally required for the loaded vehicle?

  1. POISON GAS
  2. CORROSIVE
  3. OXIDIZER
  4. FLAMMABLE Correct answer.

Explanation

The label code 3 corresponds to a flammable liquid, and the table entry drives the placard selection. A vehicle carrying a flammable liquid in a quantity requiring placarding displays the FLAMMABLE placard.

Question 45Hazardous materials regulations and the Hazardous Materials Table

A shipper is preparing a shipping paper for a material whose table entry lists "6.1" in the hazard class column and "III" in the packing group column. Which label must be applied to a non-bulk package of the material?

  1. ORGANIC PEROXIDE
  2. POISON INHALATION HAZARD
  3. TOXIC Correct answer.
  4. FLAMMABLE LIQUID

Explanation

Division 6.1 materials that do not meet inhalation hazard criteria carry the TOXIC label. The POISON INHALATION HAZARD label is reserved for materials meeting the inhalation toxicity criteria.

Question 46Hazardous materials regulations and the Hazardous Materials Table

A shipper is reviewing the Hazardous Materials Table for a material that is also a hazardous substance. Where does the table indicate the reportable quantity for that material?

  1. In the quantity limitations column for cargo aircraft
  2. In the vessel stowage column as a weight limit
  3. In the hazardous substances and reportable quantities table in the regulations Correct answer.
  4. In the special provisions column as a dollar amount

Explanation

Reportable quantities for hazardous substances are listed in a separate appendix table of hazardous substances and reportable quantities, not in the Hazardous Materials Table itself. The Hazardous Materials Table flags the material with the A symbol in Column 1.

Question 47Hazardous materials regulations and the Hazardous Materials Table

A driver is transporting a material whose table entry lists "2.1" in the hazard class column. Which label is required for packages of that material?

  1. OXYGEN
  2. NON-FLAMMABLE GAS
  3. FLAMMABLE SOLID
  4. FLAMMABLE GAS Correct answer.

Explanation

Division 2.1 covers flammable gases, and packages of such materials carry the FLAMMABLE GAS label. Other gas divisions carry different labels.

Question 48Hazardous materials regulations and the Hazardous Materials Table

A shipper is preparing a shipment of a material whose table entry lists "8" in the hazard class column. Which label is required for packages of that material?

  1. CLASS 9
  2. CORROSIVE Correct answer.
  3. TOXIC
  4. OXIDIZER

Explanation

Class 8 materials are corrosive, and packages carry the CORROSIVE label. The label code in the table for a Class 8 entry corresponds to that label.

Question 49Hazardous materials regulations and the Hazardous Materials Table

A shipper is preparing a shipping paper for a material whose table entry shows "I" in the packing group column and "3" in the hazard class column. Which basic description is correctly ordered?

  1. UN1203, Gasoline, 3, I Correct answer.
  2. UN1203, 3, Gasoline, I
  3. Gasoline, UN1203, I, 3
  4. 3, I, UN1203, Gasoline

Explanation

The basic description follows the order of identification number, proper shipping name, hazard class, and packing group. Only the sequence starting with UN1203 and ending with the Roman numeral I follows that order.

Question 50Hazardous materials regulations and the Hazardous Materials Table

A shipper is reviewing a table entry that lists "1.1D" in the hazard class column. What does the letter D represent in that entry?

  1. The hazard zone assigned to the explosive
  2. The packing group assigned to the explosive
  3. The compatibility group assigned to the explosive Correct answer.
  4. The division assigned to the explosive

Explanation

For explosives, the class entry combines the division with a compatibility group letter, such as 1.1D. The letter identifies the compatibility group that governs which explosives may be loaded together.