Hazardous Waste Management Questions and Answers Part-16

1. __________ plays a major role in the regulation of most industrial chemicals in the US
a) RCRA inventory
b) SARA inventory
c) CERCLA inventory
d) TSCA inventory

Answer: d
Explanation: Section 8 of TSCA requires EPA to compile, keep current records and publish a list of chemical substance that is being manufactured, including imports, in the US for uses under TSCA inventory.

2. According to TSCA a chemical substance maybe __________
a) Organic or inorganic
b) Pollutant
c) Contaminant
d) Soluble

Answer: a
Explanation: TSCA defines a chemical substance as any organic or inorganic substance of a particular molecular identity, including any mixture of these substances occurring in whole or in part by the result of a chemical reaction or occurs in nature.

3. Chemicals substances on the Inventory include pesticides
a) true
b) false

Answer: b
Explanation: Chemicals substances on the Inventory includes organics,
Inorganics, polymers and chemical substances of unknown or inconstant composition, complex reaction and biological materials (UVCBs).

4. Any chemical that is not on the Inventory is considered as _________
a) New chemical substance
b) Old chemical substance
c) Existing chemical substance
d) Flag chemical substance

Answer: a
Explanation: According to regulations under TSCA, if a chemical is on the Inventory, it is considered an existing chemical substance in United States commerce. Any chemical that is not on the Inventory is considered a new chemical substance.

5. The chemicals are added to the Inventory only after _________
a) Receiving complete NOC by EPA
b) Receiving complete NOC by UNEPA
c) Receiving complete DOC by EPA
d) Receiving complete NOOC by USEPA

Answer: a
Explanation: The company must provide a Notice of Commencement of Manufacture or Import (NOC) to EPA within 30 calendar days of the date the substance is first manufactured. Once complete NOC is received by EPA, the reported substance is considered to be on the Inventory

6. Low Volume Exemptions (LVEs) do not require NOC
a) true
b) false

Answer: a
Explanation: LVEs, LoREXs, TMEs and substances used for research and development do not require an NOC and are not added to the Inventory.

7. EPA’s collecting of the public TSCA Inventory information is updated ________ a year.
a) Once
b) Twice
c) Thrice
d) Four times

Answer: b
Explanation: TSCA Inventory information is updated twice a year to include new and corrected TSCA Inventory chemical listings.

8. What is the aim of TSCA?
a) Regulation new chemicals
b) Classification of new chemicals
c) Export of new chemicals
d) Import of new chemicals

Answer: a
Explanation: TSCA is a United States law signed on October 11, 1976 which regulates the introduction of new or already existing chemicals.

9. When did RCRA come into force?
a) 1975
b) 1976
c) 1977
d) 1978

Answer: b
Explanation: The Resource Conservation and Recovery Act (RCRA) was enacted in 1976, is a federal law in the United States majoring in the disposal of solid waste and hazardous waste

10. What is the aim of RCRA?
a) Management of hazardous waste
b) Management of liquid waste
c) Management of solid waste
d) Management of waste

Answer: a
Explanation: RCRA act provides technical and financial assistance for the development of management plans, the safe disposal of discarded materials. It mainly regulates the management of hazardous waste.