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Proposed rules for TSCA regulations in the United States: Decabromodiphenyl ether and isopropylated triphenyl phosphate will be strictly regulated


Time:

2023-12-07

Proposed rules for TSCA regulations in the United States: Decabromodiphenyl ether and isopropylated triphenyl phosphate will be strictly regulated

       Definition of TSCA

The TSCA regulation, also known as the 1976 Toxic Substances Control Act, is one of the most significant chemical management regulations in the United States. The latest proposed rules aim to strengthen the regulatory oversight of chemicals under TSCA regulations to protect the safety of the public and the environment.

The United States (EPA) is responsible for implementing TSCA regulations on chemicals, while the United States and Border Protection (CBP) are responsible for inspecting the import of chemicals under TSCA regulations.

 

Proposed rules for TSCA regulations in the United States

                                                  Image from the official website of the US EPA

The US EPA recently released a proposed TSCA rule to further protect people from exposure to two toxic chemicals: decabromodiphenyl ether and isopropylated triphenyl phosphate PIP (3:1).

Decabromodiphenyl ether and Isopropylated Triphenyl Phosphate are two commonly used chemicals in firefighting materials such as furniture and electronic equipment. Due to their potential harm to health and the environment, these two chemicals are undergoing strict supervision under TSCA regulations to ensure their safe use.

 

Proposed revision content - Decabromodiphenyl ether

1. Require labeling on existing plastic transport pallets known to contain decabromodiphenyl ether.

2. Require the use of personal protective equipment (also known as PPE) in certain activities involving decabromodiphenyl ether, and incorporate existing practices into regulations, including at least the use of N95 respirators with a designated protection factor (APF) of 10 approved by NIOSH and gloves resistant to decabromodiphenyl ether chemical corrosion.

3. It is prohibited to release decabromodiphenyl ether into water during the manufacturing, processing, and commercial distribution of decabromodiphenyl ether and products containing decabromodiphenyl ether, and everyone is required to comply with any applicable regulations and best management practices to prevent the discharge of decabromodiphenyl ether.

4. Extend the compliance date for commercial processing and distribution of insulation materials for wires and cables containing decabromodiphenyl ether used in nuclear power facilities.

5. Export declaration is required for wires and cables containing decabromodiphenyl ether used in nuclear power facilities.

6. Modify existing record retention requirements and require records related to workplace protection requirements.

Proposed revision content - isopropylated triphenyl phosphate (PIP (3:1))

1. Require the use of PPE in the domestic manufacturing and processing of PIP (3:1) and some products and items containing PIP (3:1), and incorporate existing practices into regulations, including at least the use of NIOSH approved respirators with an APF of 10 and gloves resistant to PIP (3:1) chemical corrosion.

2. It is required to use engineering control measures and personal protective equipment when manufacturing cyanoacrylate adhesives using PIP (3:1) as an intermediate, and to incorporate existing practices into regulations, including at least the use of NIOSH approved respirators with an APF of 50 and gloves resistant to PIP (3:1) chemical corrosion.

3. Reduce the exemption scope of lubricants and greases to aviation and turbine applications, and phase out all other uses for a period of 5 years.

4. Add new exemptions for wiring harnesses and circuit boards.

5. Revise the exemption clauses for new and replacement parts of motor vehicles to phased prohibition of new parts within 15 years and an additional 15 years for replacement parts.

6. Amend the exemption clauses for new and replacement parts of aerospace vehicles to be phased out in new parts for a period of 30 years, with replacement parts remaining until the end of the aircraft's service life.

7. Extend the compliance period for manufacturing equipment and the semiconductor industry by another 10 years.

8. For the processing and distribution of inert components in anti fouling coatings approved by the Federal Insecticide, Fungicide, and Rodenticide Act for use in the United States Navy using PIP (3:1), the compliance period is extended by 5 years.

9. Modify existing record retention requirements and require records related to workplace protection requirements.

The proposed rules by the US EPA will better protect workers and communities from exposure to these two chemicals, while also ensuring that their critical uses can continue to be safely used.

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