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.
Which federal law makes it illegal to mail certain hazardous materials through the US Postal Service?