Post Dispatcher Test Safety and Regulations 1 — Questions and Answers
Question 1: Which federal law makes it illegal to mail certain hazardous materials through the US Postal Service?
- Occupational Safety and Health Act
- Hazardous Materials Transportation Act (HMTA) (Correct answer)
- Clean Air Act
- Federal Mail Security Act
Correct answer: Hazardous Materials Transportation Act (HMTA)
The Hazardous Materials Transportation Act (HMTA) regulates the transportation of hazardous materials, including those sent through the US mail.
Question 2: Which of the following items is PROHIBITED from being mailed through USPS?
- Batteries packed with equipment
- Aerosol spray cans (Correct answer)
- Dry ice in properly marked packages
- Lithium batteries shipped as cargo
Correct answer: Aerosol spray cans
Most aerosol products are prohibited from mailing because they are pressurized and flammable, posing safety risks in mail processing.
Question 3: A suspicious package arrives with no return address, excessive postage, and an oily stain. What should a dispatcher do?
- Open it carefully to check contents
- Process it normally since it has proper postage
- Isolate the package and notify a supervisor and security immediately (Correct answer)
- Return it to the carrier
Correct answer: Isolate the package and notify a supervisor and security immediately
Suspicious packages with warning signs should be isolated immediately and reported to a supervisor and security, following USPS emergency procedures.
Question 4: Under USPS regulations, what must shippers include when sending lithium batteries by air?
- A signed waiver form
- Proper packaging, labeling, and quantity limits per USPS guidelines (Correct answer)
- A separate hazmat fee payment
- Approval from the FAA
Correct answer: Proper packaging, labeling, and quantity limits per USPS guidelines
Lithium batteries require proper packaging, hazmat labeling, and must comply with quantity restrictions when sent via air mail.
Question 5: What is the proper term for mail that contains hazardous, illegal, or dangerous items that are prohibited from the mail system?
- Contraband mail (Correct answer)
- Embargo mail
- Interdicted mail
- Quarantine mail
Correct answer: Contraband mail
Mail containing illegal or prohibited items is referred to as contraband mail and must be reported to postal inspectors.
Question 6: Which USPS entity is responsible for investigating mail fraud, theft, and the mailing of prohibited items?
- USPS Office of Inspector General (OIG)
- US Postal Inspection Service (USPIS) (Correct answer)
- USPS Security Division
- Department of Homeland Security Postal Unit
Correct answer: US Postal Inspection Service (USPIS)
The US Postal Inspection Service (USPIS) is the federal law enforcement arm of USPS, responsible for investigating postal crimes.
