by John J. Kowalski, CHMM
On September 19, 2019, the U.S. Environmental Protection Agency (EPA or the Agency) posted an update to the public version of the Toxic Substances Control Act (TSCA) Chemical Substance Inventory on its website. For the first time ever, this update included unique identifier (UID) information.
According to EPA, the UID is a numerical identifier assigned to a chemical substance when the Agency approves a confidential business information (CBI) claim for specific chemical identity. TSCA, as amended, requires EPA to develop a system to assign a UID whenever it approves a CBI claim for the specific chemical identity of a chemical substance, to apply this UID to other information concerning the same chemical substance, and to ensure that any non-confidential information received by the Agency identifies the chemical substance using the UID, while the specific chemical identity of the chemical substance is protected from disclosure.
UL has already updated its LOLI Database based upon the update to the public version of the TSCA Inventory posted on September 19, 2019. Furthermore, we had previously captured the list of UIDs in LOLI when that list was originally published, separate from the TSCA Inventory; and, it has not changed.
Updated statistics for the TSCA Inventory follow in the table below.
UIDs have been assigned to 157 substances.
Environmental Protection Agency. “TSCA Chemical Substances; Unique Identifier Assignment and Application Policy; Notice of Availability.” Federal Register 83 (27 June 2018): 30168-30171. https://www.epa.gov/sites/production/files/2018-06/documents/epa-hq-oppt-2017-0144-0024.pdf
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