TSCA
SERVICE INTRODUCTION
In October 1976, the U.S. Congress enacted the "Toxic Substances Control Act" (TSCA), a regulation governing chemicals circulating within the United States. The U.S. Environmental Protection Agency (EPA) serves as the regulatory authority for this act. In 2016, former President Obama signed the "Frank R. Lautenberg Chemical Safety for the 21st Century Act," which amended the TSCA. The TSCA categorizes chemical substances into "Existing Chemicals" and "New Chemicals" for separate control. Existing chemicals are those listed on the TSCA Inventory, which currently includes over 86,000 substances.
The Final Rule on PBT (Persistent, Bioaccumulative, and Toxic) hazardous substances is based on Section 6(h) of the TSCA. This section requires the EPA to take expedited regulatory action to control PBT chemicals, issuing a final rule within 18 months of proposing a rule to prohibit or restrict the manufacturing, processing, and distribution of such substances to reduce human and environmental exposure. On January 6, 2021, the EPA issued the Final Rule on controlling hazardous substances, establishing control requirements for five PBT substances in products and articles. These rules began to be implemented in phases starting March 8, 2021.
| Substance Name Restricted substances |
Scope of Product Control Uses |
Prohibited Activities Scope of control |
Limit Values Restriction requirements |
Implementation Date Implementation date |
| Decabromodiphenyl ether (DecaBDE) | DecaBDE and articles containing DecaBDE | Manufacturing and Processing | Prohibited | March 8, 2021 |
| Distribution | January 6, 2022 | |||
| Isopropylated phenyl phosphate (PIP (3:1)) | PIP (3:1) and articles containing PIP (3:1) | Processing and Distribution | Prohibited | October 31, 2024 |
| Photographic prints | Processing and Distribution | October 31, 2024 | ||
| Adhesives, sealants, and related articles | Processing and Distribution | October 31, 2024 | ||
| Hexachlorobutadiene (HCBD) | HCBD and articles containing HCBD | Manufacturing, Processing, and Distribution | Prohibited | March 8, 2021 |
| Pentachlorothiophenol (PCTP) | PCTP or articles containing PCTP | Manufacturing and Processing | 1 wt% | March 8, 2021 |
| Distribution | January 6, 2022 | |||
| 2,4,6-Tri-tert-butylphenol (2,4,6-TTBP) | Lubricating oils and greases containing 2,4,6-TTBP additives packaged in containers smaller than 35 gallons | Processing and Distribution | 0.3 wt% | January 6, 2026 |
According to the U.S. Environmental Protection Agency (EPA) plans, the number of PBT substances controlled under the TSCA regulations will continue to increase, and ultimately, the list of controlled hazardous substances will grow larger.
Testing Process
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2.Submit Testing Request
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