EPA chemical regulation
EPA adds a 90-day review gate for 19 chemicals
The proposed TSCA rules would require manufacturers, importers and processors to notify EPA before starting certain new uses of chemicals already covered by agency orders. Companies handling the substances downstream could be covered too.
EPA is proposing new limits on how certain industrial chemicals can be used. Companies would have to give the agency 90 days’ notice before starting covered new uses, giving EPA time to review the change first.
- EPA is proposing a 90-day notice requirement before certain new chemical uses begin.
- The rule covers substances that were already the subject of PMNs and EPA orders under TSCA.
- Manufacturers, importers, processors and others handling the chemicals could be covered.
- EPA says the significant new uses are the activities that do not match the existing TSCA order restrictions.
In Washington, the Environmental Protection Agency is proposing a new notice requirement for certain industrial chemicals already under agency review. Under the proposal, companies would have to give EPA at least 90 days’ notice before starting covered new uses of those substances. The practical effect is simple. A business could not move ahead with some changes until EPA has had time to look at them first.
What the proposal would change
EPA is using something called a significant new use rule, or SNUR. In plain terms, that is a federal checkpoint for a chemical when the agency says a new activity needs review before it begins.
The proposal covers chemical substances that were the subject of premanufacture notices, or PMNs, and are also subject to an EPA order under the Toxic Substances Control Act, or TSCA, the federal law that gives EPA authority over chemicals. The agency says the covered activities are the ones that do not match the restrictions already set out in those TSCA orders.
Which chemicals are covered
This is not a blanket rule for every industrial chemical. It applies to a defined set of substances already tied to EPA orders. The focus is on what happens when a company wants to use one of those chemicals in a way the agency has identified as significant new use.
That means the rule is aimed at a later change in how a chemical is handled, not at the first step of review. EPA already looked at these substances through the PMN process, and this proposal is about keeping later changes under watch too.
Who would need to give notice
The notice requirement would apply to people who intend to manufacture or process the covered substances for a covered activity. Because TSCA defines manufacture to include import, importers are included as well.
The proposal also reaches use, distribution in commerce, and disposal when those activities fall within the significant new use definition. For companies that buy, blend, move, or work with these chemicals downstream, the rule could matter even if they did not make the substance themselves.
What the review would focus on
EPA is not saying the chemicals cannot be used. It is saying the agency wants advance notice before a new use begins, so it can review whether that use fits with the existing restrictions.
For businesses, that could mean more planning, more paperwork, and more time before a new process or product line gets started. For the agency, it is a way to keep later uses of a chemical under the same kind of scrutiny that already applied when the substance first came through EPA review.